ライフサイエンスコーパス: rotaxane

1 s drive the assembly and replication of a [2]rotaxane.

2 f the wheel on the axle of the metal-free [2]rotaxane.

3 he rhenium(I) chlorocarbonyl complex of this rotaxane.

4 ane, a [2]rotaxane, and a doubly threaded [3]rotaxane.

5 scence quantum yield upon encapsulation as a rotaxane.

6 y indicated by fluorescent changes of the [3]rotaxane.

7 yl) ether to efficiently provide up to a [20]rotaxane.

8 ng of the chloride ion and metal cation to a rotaxane.

9 crown-ether blocking group and the axle of a rotaxane.

10 is encapsulated as an interlocked squaraine rotaxane.

11 ocycle and indolocarbazole components of the rotaxane.

12 mes longer, reaching 60 degrees C in the C24 rotaxane.

13 d allowed the quantitative deslipping of the rotaxane.

14 backward in a homologous series of bistable rotaxanes.

15 e interactions between the components of the rotaxanes.

16 ions of the fully oxidized forms of these [2]rotaxanes.

17 hylene chain lengths across the series of [2]rotaxanes.

18 trapped on the dumbbell components of the [4]rotaxanes.

19 gh nanotubes to the formation of chromogenic rotaxanes.

20 m macrocycles produces interlocked squaraine rotaxanes.

21 taxanes into still larger [4]-, [5]- and [7]-rotaxanes.

22 ties residing in the resulting catenanes and rotaxanes.

23 The chemical structure is based on a rotaxane, a molecular ring threaded onto a molecular axl

24 To explore the transfer mechanism of the rotaxanes, a comparison was made in the amount of NaClO(

25 tion about the location of a macrocycle in a rotaxane-a molecular ring threaded onto a molecular axle

26 T) processes by fixing the fluorophores in a rotaxane and (iv) establishing the principle of supramol

27 etween the components of this supramolecular rotaxane and are important for the development of materi

28 gations which have shown that both of the [2]rotaxane and its dumbbell precursor form linear superstr

29 anogels can be prepared by dissolving the [2]rotaxane and its dumbbell precursor in a CH2Cl2/MeOH (3:

30 thogonal recognition-mediated processes, the rotaxane and thread can act as auto-catalytic templates

31 s with a stoppering maleimide group, forming rotaxane and thread, respectively.

32 simulations of the tristable and bistable [2]rotaxanes and [2]catenane reveal a mechanism which invol

33 work has led from the reliable synthesis of rotaxanes and catenanes to molecular rotary motors, shut

34 Mechanically interlocked molecules (rotaxanes and catenanes) have already revolutionized mol

35 s that contain interlocked subunits, such as rotaxanes and catenanes, and structures in which many in

36 mechanically interlocked compounds, such as rotaxanes and catenanes, the molecules are held together

37 arger interlocked dsDNA nanostructures, like rotaxanes and catenanes, to achieve diverse mechanical o

38 ked molecules (MIMs)--specifically, bistable rotaxanes and catenanes--which exhibit reset lifetimes b

39 aromatic residues in contiguous rings in the rotaxanes and consequently, a discrete rigid and rod-lik

40 d incorporated into hybrid organic-inorganic rotaxanes and into molecules containing up to 200 metal

41 as a result of orthogonal templation, two [4]rotaxanes and one [5]rotaxane in >90% yields inside 2 h

42 ed mechanism of switching of two bistable [2]rotaxanes and one bistable [2]catenane composed of CBPQT

43 Hybrid [2]rotaxanes and pseudorotaxanes are reported where the mag

44 Interlocked DNA rotaxanes and their different synthetic approaches are p

45 X-ray crystallographic analysis on six [2]rotaxanes and two [3]rotaxanes provides insight into the

46 structures that include a [2]catenane, a [2]rotaxane, and a doubly threaded [3]rotaxane.

47 Examples include the catenane, rotaxane, and knot interlocked structures.

48 hreading process, the half-life times of the rotaxanes, and the influence of temperature and solvents

49 es exist naturally in a threaded state as [1]rotaxanes, and we reasoned that lasso peptides cleaved i

50 eversible switching of a double-stranded DNA rotaxane architecture from a stationary pseudorotaxane m

51 erically protected from reprotonation by the rotaxane architecture, which renders the Cu(I)-C bond st

52 Rotaxanes are a previously unexplored ligand architectur

53 The rotaxanes are formed within a few minutes simply through

54 Squaraine rotaxanes are mechanically interlocked molecules compris

55 IPY(*+) radical cations in this series of [2]rotaxanes are stabilized against oxidation, both electro

56 Specifically, the use of the rotaxane as a scaffold to organize Au NP assemblies, and

57 mers--present, for example, in a bistable [2]rotaxane, as well as in a couple of bistable [2]catenane

58 cle can be elongated after completion of the rotaxane assembly, giving rise to a unique structure tha

59 efficient syntheses of two catenanes and one rotaxane, assisted by radical-pairing interactions betwe

60 the pH actuation of the mechanically active rotaxane at the nanoscale influences the physical reticu

61 lly located chiral (S)-BINOL motif of the [3]rotaxane axle component facilitates the complexed dicarb

62 Two types of liquid crystalline [2]rotaxanes based on a conventional tetracatenar motif (a

63 he near-quantitative aqueous synthesis of [2]rotaxanes based on neutral and charged aqueous hosts-cuc

64 A rotaxane-based Au catalyst was developed and the effect

65 lves are more efficient when the bistable [2]rotaxane-based gatekeepers are anchored deep within (IN)

66 In spite of widespread interest in rotaxane-based molecular machines and materials, rotaxan

67 A rotaxane-based switchable asymmetric organocatalyst has

68 synthesis and operation of a three-barrier, rotaxane-based, artificial molecular machine capable of

69 hreading of a series of succinamide-based [2]rotaxanes bearing benzylic amide macrocycles is reported

70 One of the rotaxanes behaves as a 'molecular shuttle': the ring mov

71 e chalcogen atoms in the mechanically bonded rotaxane binding sites in organic and aqueous solvent mi

72 produce the first well-characterized protein-rotaxane bioconjugates.

73 as been previously used for the synthesis of rotaxanes but has not been applied to the development of

74 es of Coulombically challenged catenanes and rotaxanes, but it also opens up the possibility of synth

75 e topology and structural integrity of these rotaxanes by analyzing the intermediate and final produc

76 on of pH-sensitive bistable [c2] daisy chain rotaxanes by using copper(I)-catalyzed Huisgen 1,3-dipol

77 imetry (DSC) reveals that the longer polyyne rotaxanes (C16, C18, and C24) decompose at higher temper

78 reversible, the switching by the bistable [2]rotaxane can be reversed on reduction of the TTF*+ or TT

79 m site located on the axle component of a [2]rotaxane can be reversibly modulated by changing the aff

80 However, the E-rotaxane can be smoothly converted into the Z-rotaxane i

81 yclobis(paraquat-p-phenylene) ring in the [2]rotaxane can be switched between the tetrathiafulvalene

82 tudy shows how mechanical encapsulation as a rotaxane can be used as a rational design parameter to f

83 donor recognition units in the tristable [2]rotaxane can prolong the lifetime and stability of the M

84 n demetalation the axle of a singly threaded rotaxane can slip through a macrocycle that is sufficien

85 axane into an aqueous phase, and the host-[2]rotaxane can transport a greater than a stoichiometric a

86 For example, [4]rotaxanes can be prepared nearly quantitatively within a

87 e differences in the (1)H NMR spectra of the rotaxanes can be related to the presence of conformers i

88 in, we report that bistable and tristable [2]rotaxanes can be switched by altering electrochemical po

89 In this report we demonstrate that host rotaxanes can bind metal cations, change their geometrie

90 In this report, we show that rotaxanes can transfer metal cations with picrate, perch

91 This "rotaxane-capping" protocol is significantly more efficie

92 binding catalysis sites of the dual-function rotaxane catalyst can be sequentially concealed or revea

93 mechanically-interlocked molecules, such as rotaxanes, catenanes, Borromean rings, and Solomon knots

94 imensional NMR analysis was performed on the rotaxane-cation complexes in CDCl(3).

95 ulation experiments revealed that the chiral rotaxane cavity significantly enhances enantiodiscrimina

96 nterlocked ring component of the bistable [2]rotaxane closer to and away from the pores' orifices, re

97 ies of X-ray crystal structures show how the rotaxane co-conformational exchange process involves sim

98 the nitrate and chloride halogen bonding [3]rotaxane complexes corroborate the (1) H NMR anion bindi

99 edox-active viologen subunits located on the rotaxane components can be accessed electrochemically in

100 In a tristable [2]rotaxane composed of a cyclobis(paraquat-p-phenylene) ri

101 Whereas, (i) in the case of the bistable [2]rotaxane, composed of a dumbbell component containing pi

102 subjected to redox control in a bistable [2]rotaxane comprised of a dumbbell component containing an

103 A bistable [2]rotaxane comprising an alpha-cyclodextrin (alpha-CD) rin

104 mulated switching behavior of a tristable [2]rotaxane consisting of a cyclobis(paraquat-p-phenylene)

105 e structures and excited-state dynamics of a rotaxane consisting of a hexayne chain threaded through

106 A new copper-complexed [3]rotaxane consisting of two coordinating 30-membered ring

107 ling has been used to synthesize a series of rotaxanes consisting of a polyyne, with up to 24 contigu

108 ally inorganic 'rings' about 'axles' to form rotaxanes consisting of various numbers of rings and axl

109 A two-station [2]rotaxane, consisting of a dibenzo-24-crown-8 macrocycle

110 The rotaxanes contain a dibenzyl-24-crown-8 ether as the whe

111 ation of a cholesterol-stoppered bistable [2]rotaxane containing a cyclobis(paraquat-p-phenylene) rin

112 e) and the alpha-cyclodextrin-based pseudo[3]rotaxane containing axially chiral 1,1'-binaphthyl and p

113 However, the synthesis of a metal-free [2]rotaxane containing triazole with other functionalities

114 the present work, a novel photoresponsive [3]rotaxane containing two cucurbit[7]uril (CB[7]) rings an

115 irst examples of mechanically interlocked [2]rotaxanes containing ChB-donor groups are prepared via a

116 es of a family of structurally similar XB [2]rotaxanes containing different combinations of chiral an

117 The hetero[4]rotaxane contains an interlocked species in which a dibe

118 nt influence of the chiral macrocycle in our rotaxane design for determining the effectiveness of chi

119 We report on the synthesis of [2]rotaxanes driven by stabilization of the axle-forming tr

120 One of the new rotaxanes emits an orange light (560-650 nm), and there

121 ocycles produces the corresponding squaraine rotaxane endoperoxides (SREPs) quantitatively.

122 Squaraine rotaxane endoperoxides can be stored indefinitely at tem

123 or optical molecular imaging using squaraine rotaxane endoperoxides, interlocked fluorescent and chem

124 The architecture of the rotaxanes ensures that the electronic, magnetic and para

125 The [2]rotaxane exists in the ground-state co-conformation (GSC

126 We report on rotaxanes featuring a pyridyl-acyl hydrazone moiety on t

127 [4]Rotaxanes featuring three axles threaded through a singl

128 dye completes the palette of known squaraine rotaxane fluorophores whose emission profiles span the c

129 The observed selectivity of the [2]rotaxane for chloride is interpreted in terms of its uni

130 scaffold, we employed a double-stranded DNA rotaxane for its ability to undergo programmable and pre

131 tailed investigation of the use of chiral XB rotaxanes for this purpose, extensive (1)H NMR binding s

132 tion on the more rigid SAM template, whereas rotaxanes form oriented layers on both SAMs.

133 The overall process, including the rotaxane formation and its further dethreading, has been

134 omplexes, causing thread formation to exceed rotaxane formation in the current experimental system.

135 Rotaxane formation is governed by a central, hydrogen-bo

136 pre-organisation during efficient and quick rotaxane formation.

137 We find that the rotaxane gives improved enantioselectivity compared to a

138 is situation does pertain in the bistable [2]rotaxane has not only been established quantitatively by

139 ll rearrangement to form the desired polyyne rotaxanes has not yet been achieved.

140 gh many syntheses of molecular catenanes and rotaxanes have been reported, molecular knots are a clas

141 Several rotaxanes have been synthesized to explore gem-dibromoet

142 Previous squaraine rotaxanes have employed planar squaraine dyes with 4-ami

143 xane-based molecular machines and materials, rotaxanes have not been attached covalently to proteins.

144 ogical nanostructures, such as catenanes and rotaxanes, have been engineered using supramolecular che

145 nds, such as bistable catenanes and bistable rotaxanes, have been used to bring about actuation in na

146 In 50% H2O/CH3CN solvent mixtures the rotaxane host exhibits strong binding affinity and selec

147 the nitrite anion template, the europium [2]rotaxane host is demonstrated to recognize and sense flu

148 a chloride anion templation strategy, the [3]rotaxane host recognises dicarboxylates through the form

149 he synthesis of the first halogen bonding [3]rotaxane host system containing a bis-iodo triazolium-bi

150 d application of a chiral halogen-bonding [3]rotaxane host system for the discrimination of stereo- a

151 is and anion binding properties of the first rotaxane host system to bind and sense anions purely thr

152 Quantification of iodide binding by rotaxane hosts reveals the strong binding by the XB-rota

153 can be enhanced in the presence of a host-[2]rotaxane (HR).

154 rticle we show that bistable [c2]daisy chain rotaxanes (i.e., molecular muscles) can be linked into m

155 ional isomers of polymacrocycles as rings in rotaxanes, (iii) demonstrating solid-state fluorescence

156 onal templation, two [4]rotaxanes and one [5]rotaxane in >90% yields inside 2 h at 55 degrees C in ac

157 otaxane can be smoothly converted into the Z-rotaxane in 98% yield under UV irradiation.

158 udies demonstrate the utility of the host-[2]rotaxane in delivering peptides of all polarities across

159 reparation of a lanthanide-functionalized [2]rotaxane in high yield.

160 arative solution-state NMR studies of the [2]rotaxane in its unprotonated and protonated states were

161 six components in one pot affords a hetero[4]rotaxane in one minute in quantitative yield.

162 for production of mechanically planar chiral rotaxanes in excellent enantiopurity without the use of

163 er networks, knots along polymer chains, and rotaxanes in sliding ring gels, have important consequen

164 he solid-state structures of the [3]- and [4]rotaxanes in the R series and also on the basis of molec

165 idyl macrocycles generate triply threaded [4]rotaxanes in up to 11% yield.

166 amide macrocycle around the axle to form [2]rotaxanes in up to 85% yield; the corresponding Z-hydraz

167 para-xylylene bridge (2 and 3) gave pseudo[2]rotaxanes in which one dialkylammonium axle (4a-4e(+)) w

168 A homologous series of [2]rotaxanes, in which cyclobis(paraquat-p-phenylene) (CBPQ

169 This rotaxane incorporates a luminescent rhenium(I) bipyridyl

170 The change from tetra- to dicationic [2]rotaxanes increased not only the fluidity of their smect

171 Encapsulation as a rotaxane increases the dye's brightness by a factor of 6

172 We describe a three-compartment rotaxane information ratchet in which the macrocycle can

173 e released from its complex with the host-[2]rotaxane into an aqueous phase, and the host-[2]rotaxane

174 aboration of the structural features of such rotaxanes into macromolecular materials might allow the

175 o link hybrid organic-inorganic [2]- and [3]-rotaxanes into still larger [4]-, [5]- and [7]-rotaxanes

176 lar switching devices, such as catenanes and rotaxanes; ion-channels by ligand gating; gelators for s

177 e hosts reveals the strong binding by the XB-rotaxane is driven exclusively by favourable enthalpic c

178 up to five times more of the fully saturated rotaxane is formed than is predicted based on a purely s

179 synthesis of ammonium-based oriented calix[2]rotaxane is here described.

180 inocatalysis "on" state of the dual-function rotaxane is inactive in anion-binding catalysis.

181 t an additional interaction with the host-[2]rotaxane is modifying the permeability properties of the

182 An analogous [3]rotaxane is obtained in excellent yield by replacing the

183 a replicating network favoring formation of rotaxane is possible.

184 alogen-bonding and hydrogen-bonding bistable rotaxane is prepared and demonstrated to undergo shuttli

185 teraction between the hexayne chains, the [3]rotaxane is remarkably stable under ambient conditions,

186 ion experiments revealed the halogen bonding rotaxane is selective for nitrate over the more basic ac

187 The hexayne unit in the rhenium-rotaxane is severely nonlinear; it is bent into an arc w

188 state for aminocatalysis by a switchable [2]rotaxane is shown to correspond to an "on" state for ani

189 Mechanical point-chirality in a [2]rotaxane is utilized for asymmetric catalysis.

190 lecular cyclization of N-benzylfumaramide [2]rotaxanes is described.

191 ions, whereas weaker association with the HB-rotaxanes is entropically driven.

192 In the case of the [5]rotaxane, it is possible to isolate a compound containin

193 nterlocked molecules (MIMs) - in particular, rotaxanes - its slow reaction rate and narrow substrate

194 The rotaxane linkers are linear and result in nbo-type MOFs

195 Rotaxane macrocycles with 1,4-phenylene sidewalls and 2,

196 hanical switch is a redox-active bistable [2]rotaxane moiety that consists of (i) a tetrathiafulvalen

197 thus affords two different three-station [2]rotaxane molecular machines, in which some of co-conform

198 eparation and dynamic behavior of degenerate rotaxane molecular shuttles are described in which a ben

199 The novel [2]rotaxane molecular structure incorporates a neutral indo

200 n between two inequivalent spins in a hybrid rotaxane molecule.

201 ate coconformation (GSCC) of the bistable [2]rotaxane molecules also depends on chi, as well as on th

202 s of the linkers between the surface and the rotaxane molecules also play a critical role in determin

203 tion process associated with the bistable [2]rotaxane molecules in solution and (ii) the electrostati

204 report the synthesis of a series of discrete rotaxane molecules in which inorganic and organic struct

205 linking ligands are mechanically interlocked rotaxane molecules is reviewed.

206 the MNPs, (ii) the amount of the bistable [2]rotaxane molecules on the surface of the MNPs, and (iii)

207 lene) (CBPQT(4+)) rings, and (c) bistable [2]rotaxane molecules where the dumbbell component contains

208 Rotaxane mono- and multilayers are shown to reversibly s

209 nt synthesis of well defined, homogeneous [n]rotaxanes (n up to 11) by a template-directed thermodyna

210 crocycles and the corresponding benzyl ether rotaxanes on gold substrates is investigated for the fir

211 no- and multilayers of chemically switchable rotaxanes on gold surfaces.

212 al-mediated self-assembly of macrocylces and rotaxanes on solid supports.

213 dibutylamino groups as stoppers yielded the rotaxane precursor in a reasonable yield and allowed the

214 ers of NU-1000 and carboxylic acid groups of rotaxane precursors (semirotaxanes) as part of this buil

215 Recognition-driven assembly of the rotaxane proceeds under conditions of mild base catalysi

216 ses the yield of the target heterocircuit [3]rotaxane product at the expense of other threaded specie

217 analogous 39-membered macrocycle produced no rotaxane products under similar conditions.

218 cular DNA nanostructures, e.g., catenanes or rotaxanes, provide functional materials within the area

219 phic analysis on six [2]rotaxanes and two [3]rotaxanes provides insight into the noncovalent interact

220 For both catenanes and rotaxanes, removal of the metal ion via reduction under

221 Unlike the non-interlocked thread, the rotaxane requires a catalytically innocent cofactor, the

222 Stable enantiomers of the rotaxane result from a bulky group in the middle of the

223 rm a unique 1:1 stoichiometric nitrate anion-rotaxane sandwich complex.

224 with Au NP/fluorophore hybrids loaded on the rotaxane scaffold, are introduced.

225 The X-ray crystal structures of the E- and Z-rotaxanes show different intercomponent hydrogen bonding

226 rystal structure of this truncated squaraine rotaxane shows the macrocycle in a boat conformation, an

227 The crystal structure of one of these [3]rotaxanes shows that there is extremely close contact be

228 steric speed bumps has been demonstrated in rotaxane shuttles and macrocycle threading systems, the

229 Also in the diphenylethyne, rotaxane shuttling is rapid on the NMR time scale, indic

230 vage of the peptide with trypsin led to a [2]rotaxane structure that self-assembled into a [3]catenan

231 eversible reconfiguration of the catenane or rotaxane structures provides a means to yield new DNA sw

232 yclic components in interlocked catenane and rotaxane structures, for constructing assemblies based o

233 -temperature (1)H NMR study in DMSO-d6 of [2]rotaxane supported the kinetic inertness of the interloc

234 of electrochemically bistable 'daisy chain' rotaxane switches based on a derivative of the so-called

235 ons, we converted CB6 click chemistry from a rotaxane synthesis tool into a useful bioconjugation tec

236 chemistry is exemplified with a prototypical rotaxane synthesis.

237 In the new approach a preformed rotaxane synthon is attached to the end of an otherwise

238 in the solid state than analogous squaraine rotaxane systems with isophthalamide-containing macrocyc

239 nce allowed formation of an unprecedented [3]rotaxane templated around a dialkylphosphate.

240 wicz cross-coupling affords higher yields of rotaxanes than homocoupling.

241 The reactivity of a rotaxane that acts as an aminocatalyst for the functiona

242 ble spin labeled alpha-cyclodextrin-based [2]rotaxane that is characterized by the presence of nitrox

243 the multistep assembly of large DNA origami rotaxanes that are capable of programmable structural sw

244 The result is stable [9]cumulene rotaxanes that enable the study of properties as a funct

245 Here we describe two rotaxanes that encapsulate a 3,3-dimethylindoline squara

246 wo sites do not communicate, and that in the rotaxane the transfer of information between them is mad

247 raversed from the [3]- to the [4]- to the [5]rotaxane, the cooperativity becomes increasingly positiv

248 ith more conventional bistable catenanes and rotaxanes, the mechanical movement of the ring between r

249 xayne (tau = 3.0 ps), whereas in the rhenium-rotaxane there is triplet EET, from the macrocycle compl

250 In the metal-free rotaxane, there is rapid singlet excitation energy trans

251 the TTF unit is dramatically hampered in the rotaxane, thereby reducing the efficiency of the shuttli

252 e between two different binding sites on the rotaxane thread.

253 change of position of the macrocycle on the rotaxane thread.

254 ort on the active template synthesis of a [2]rotaxane through a Goldberg copper-catalyzed C-N bond fo

255 rther investigate the ability of the host-[2]rotaxane to deliver peptides possessing a wide range of

256 rmationally restricted chiral cavities of [2]rotaxanes to achieve enantioselective anion recognition.

257 The rotaxane topology was confirmed by single-crystal X-ray

258 We found that the host rotaxanes transfer the perchlorate salts poorly when com

259 A rotaxane-type structure was proposed for the FA/beta-CD

260 n nanocomposites embedding a self-assembling rotaxane-type system that is responsive to both optical

261 corresponding Z-hydrazone thread affords no rotaxane under similar conditions.

262 Ordered arrays of stimulus-responsive rotaxanes undergoing well-controlled axle shuttling are

263 ge enough to prevent macrocycle threading or rotaxane unthreading.

264 The synthesis of catenanes and rotaxanes using the hard trivalent transition metal ion

265 A Co(III)-template [2]rotaxane was assembled in 61% yield by macrocyclization

266 The [2]rotaxane was characterized by mass spectrometry, 1D and

267 A more stable [2]rotaxane was formed on irradiating 1 subset2b, whose cap

268 adiation of 1 subset2a, a kinetically labile rotaxane was obtained on irradiating the complex 1 subse

269 The hetero[4]rotaxane was prepared through two different stepwise syn

270 A [2]rotaxane was produced through the assembly of a picolina

271 onium with different sizes, a novel hetero[4]rotaxane was successfully prepared by employing the comb

272 mplicated chemical structure of the hetero[4]rotaxane was well-characterized by (1)H NMR spectroscopy

273 data of the shuttling behavior in the C(26) rotaxane were obtained from dynamic NMR spectroscopy.

274 ations, and an exclusively self-entangled [1]rotaxane were separately prepared and characterized.

275 Only in the presence of the host-[2]rotaxane were the Fl-peptides taken up by COS 7 and ES2

276 Doubly threaded [3]rotaxanes were also obtained from the reactions but no [

277 The constitutions of the [4]rotaxanes were determined by NMR spectroscopy and mass s

278 the R' series, the [3]-, [4]-, [8]-, and [12]rotaxanes were isolated after reaction times of <5-30 mi

279 3]-, [4]-, [5]-, [8]-, [12]-, [16]-, and [20]rotaxanes were isolated in <5 min to 14 h in 88-98% yiel

280 e also obtained from the reactions but no [2]rotaxanes were isolated, suggesting that upon demetalati

281 The rotaxanes were prepared by a templated clipping reaction

282 Daisy chains are a class of rotaxanes which have been targeted to serve as artificia

283 amine macrocycle directs the assembly of the rotaxane, which can subsequently serve as a ligand for e

284 ring of one of these complexes afforded a [2]rotaxane, which was shown by (1)H NMR spectroscopic titr

285 zed two structure-switching behaviors of our rotaxanes, which are both mediated by DNA hybridization.

286 Four redox-active rotaxanes, which drove a cyclobis(paraquat-p-phenylene)

287 In addition to the topologically trivial rotaxanes, whose structures may be captured by a planar

288 The MIM linker is a [2]rotaxane with a [24]crown-6 (24C6) macrocycle and an ani

289 enation of permanently interlocked squaraine rotaxanes with anthracene-containing macrocycles produce

290 i) on the synthesis of highly ordered poly[n]rotaxanes with high conversion efficiencies.

291 velopment of triptycene-containing squaraine rotaxanes with high fluorescence quantum yields and larg

292 [2]Rotaxanes with linear side chains and minimum ratios of

293 e synthesis of oligomeric homo- and hetero[n]rotaxanes with precise control over the position of each

294 This methodology has been used to prepare [3]rotaxanes with two polyyne chains locked through the sam

295 The MIM linkers are [2]rotaxanes with varying sizes of crown ether macrocycles

296 The smallest [2]rotaxane, with only three methylene groups on each side

297 nterlocked photoproduct (Phi = 0.06) is a [2]rotaxane, with the dimerized anthracenes assuming a head

298 Degenerate [2]rotaxanes, with their two identical binding sites, gener

299 The organization of trisradical rotaxanes within the channels of a Zr6-based metal-organ

300 pies all confirm the capture of redox-active rotaxanes within the mesoscale hexagonal channels of NU-