ライフサイエンスコーパス: cavitand

1 ecognition properties with the micelle-bound cavitand.

2 ated temperatures via flexing motions of the cavitand.

3 occurs via rate-determining unfolding of the cavitand.

4 eatment of an equimolar concentration of AMI cavitand.

5 rmation of an excimer of perylene within the cavitand.

6 tic cavity of Rebek's self-folding octaamide cavitand.

7 de terminal deep and inaccessible within the cavitand.

8 by the micelles that acted as hosts for the cavitand.

9 ain the molecular recognition ability of the cavitand.

10 out geometrical constraints imposed by small cavitands.

11 and N-cyclohexyl groups generate deep cavity cavitands.

12 rgy preference for the kite conformer of the cavitands.

13 both in free and bound calix[4]pyrrole-based cavitands.

14 adamantyl ends of compound 4 is bound by the cavitand 1, but the central ferrocene residue was not fu

15 to functionalize the cavity and rim of title cavitand 1.

16 A suite of NMR techniques revealed that a cavitand (1) formed 2:1 host-guest complexes with a rang

17 r capsules formed by an octaacid deep-cavity cavitand (1) was investigated using (1)H NMR spectroscop

18 the octabromoacetamide 4a and diphosphonate cavitand 13 by single-crystal X-ray analysis.

19 The assembly consists of 2 cavitands, 4 glycolurils and guest(s), and the arrangeme

20 Cavitands 5 and 13 form caviplexes in CDCl(3), CD(2)Cl(2

21 nts of the lanthanide salt per equivalent of cavitand 5a-d is necessary for the complete decomplexati

22 olecular hydrogen bonds at the upper rims of cavitand 6 resist the unfolding of the inner cavities an

23 s the preparation of sizable amounts of deep cavitands: 7 g of a water-soluble cavitand can be prepar

24 In contrast, the rigid cavitand A exhibits heightened sensitivity to changes in

25 witch cavitand B and the corresponding rigid cavitand A were synthesized and a single crystal was obt

26 The cavitand acts as a mimic of enzymes in that it uses weak

27 sts within the structured environment of the cavitand allows for observation of the labile O-acyl iso

28 ed chloroform molecule positioned inside the cavitand along its C3 axis.

29 onformational rearrangement of the fluxional cavitand AMI, allowing optical detection of PFAS.

30 Each cavitand is doubly linked to one other cavitand and singly linked to the other two cavitands vi

31 e covalent hybrids of deepened, self-folding cavitands and metalloporphyrins.

32 Synthetic cavitands and protein cavities have been widely studied

33 emerge from synthetic resorcinarene-derived cavitands and soluble glycolurils when appropriate guest

34 A pair of diastereomeric salen cavitands and their uranyl complexes combine a chiral (R

35 In this study, we present an original cavitand architecture featuring a coordinatively unsatur

36 roperties of a new water-soluble deep-cavity cavitand are discussed.

37 ups in the tetra-phosphonate calix[4]pyrrole cavitands are conformationally flexible, always adopting

38 s octaiminohemicarcerands 9-14, in which two cavitands are connected with four -CH=N-X-N=CH- linkers.

39 and conformational features of the prepared cavitands are derived from results obtained in solution,

40 Cavitands are established tools of supramolecular chemis

41 In the solid state, these cavitands are exclusively observed in the kite C4 struct

42 benzyl ketones and the capsule formed by two cavitands are kinetically stable, and the guests fall in

43 Metal-functionalized cavitands are promising platforms for mimicking the chem

44 Only highly symmetrical cavitands are sorted out of a large number of potentiall

45 The cavitands are water-soluble, and the detection and recog

46 oring on Si substrates of a tetraphosphonate cavitand as supramolecular receptor and it was proven ab

47 s were optimized to give enantioenriched ABC cavitand as the principal product.

48 eloped a new method to facilitate the use of cavitands as stationary phases (SPs) in gas chromatograp

49 elevant for the potential use of phosphonate cavitands as synthetic receptors for the detection of ep

50 in the cavity of the host molecule, the PFAS-cavitand association causes a significant (>20-fold at m

51 s a large unimolecular cavity containing two cavitands attached with the Zn-porphyrin wall.

52 isperylene resorcin[4]arene molecular switch cavitand B and the corresponding rigid cavitand A were s

53 The presence of flexible chains in cavitand B confers a high degree of environmental stabil

54 ding properties of a series of unprecedented cavitands based on a meso-dodecyl-calix[4]pyrrole-resorc

55 nment of three diasteromeric bis-phosphonate cavitands based on an aryl extended calix[4]pyrrole tetr

56 This cavitand-based host is composed of a preorganized aromat

57 complexation reactions between a tetratopic cavitand-based ligand and various multitopic counterpart

58 sm and a cubic star possessing three and six cavitand-based motifs, respectively, demonstrates that s

59 A selective cavitand-based solid-phase microextraction coating was s

60 A water-soluble cavitand bearing a benzotriazole upper rim was prepared

61 properties of a water-soluble resorcinarene cavitand bearing four guanidines at the feet were invest

62 Cavitands bearing both eight (5) and two (13) metal-liga

63 Typically, the four-step synthesis of the cavitand building block and the subsequent multicomponen

64 se assemblies incorporate two new bispyridyl cavitand building blocks and were prepared in excellent

65 nly in the reduced hydroquinone state of the cavitand by forming H-bonds with the hydroquinone OH gro

66 er cavities of self-folding resorcin[4]arene cavitands by the formation of covalent host-guest comple

67 ts of deep cavitands: 7 g of a water-soluble cavitand can be prepared from resorcinol in 13 working d

68 Arrayed deep cavitands can be coupled to a fluorescence-based supramo

69 th a range of suitable substrates (including cavitands, carbon nanotubes and biological systems), whi

70 s to obtain nanocontainers, cages, capsules, cavitands, carcerands or coordination cages by covalent

71 studied as chiral molecular tweezers, clips, cavitands, clefts, calixes, etc.

72 It was found that cavitand-coated columns can effectively separate many di

73 When cavitand-coated columns were compared with columns coate

74 known to separate isotopic molecules, these cavitand-coated SPs can separate a relatively wider rang

75 , greatly extends the applicability of these cavitand-coated SPs.

76 Tetrafunctionalized calix[4]resorcinarene cavitands commonly serve as supramolecular scaffolds for

77 of the host:guest properties of the membrane:cavitand complex via surface plasmon resonance and fluor

78 d, which triggers self-aggregation of a PFAS-cavitand complex, allowing extraction from water.

79 8) and various amphiphilic guests form 1 : 1 cavitand complexes.

80 arrayed sensor system containing only three cavitand components can detect the specific substrates o

81 These two novel and diastereomeric cavitands comprise a 2,5-bis(ethoxy)pillar[6]arene core

82 thetic methodology for preparing basket-like cavitands comprised of three different aromatics as side

83 and molecular dynamics simulations of three cavitands, coupled with calorimetric studies of their co

84 The complete selectivity of the cavitand-decorated surface under these stringent conditi

85 Deep cavitands, derived from resorcinarenes, nearly surround

86 Most of the deep-cavitands described in this study are synthesized withou

87 ecifically, we investigate the properties of cavitands designed to mimic two prime residues for anion

88 d, where the addition took place outside the cavitand, displaying standard steady-state kinetics; no

89 Cationic water-soluble deep cavitands enable hierarchical assembly-based recognition

90 The arrangements of the guests in the cavitands enhance the equilibrium constants of carbonyl

91 In the absence of guests, the cavitand exists in a dimeric velcrand structure.

92 A deep, water-soluble cavitand extracts a variety of neutral hydrophobic speci

93 vity produced a self-folding, deep hexaamide cavitand featuring a single diverging terpyridine (tpy)

94 The synthesis of a cavitand featuring thiourea hydrogen bonding sites and i

95 ligibility of tetraphosphonate resorcinarene cavitands for the molecular recognition of amino acids.

96 high degree of steric control imposed by the cavitand framework capable of discriminating between pot

97 sults in a change in the conformation of the cavitand from vase to kite with concomitant and quantita

98 w that by modifying functional groups of the cavitand, from Et to C(11)H(23) or from amide to carboxy

99 A quinoxaline cavitand functionalized with a carboxylic group at the u

100 A cavitand functionalized with a Kemp's triacid derivative

101 se findings were benchmarked by implementing cavitand-functionalized MCs to discriminate sarcosine fr

102 The cavitand-functionalized SWCNTs were shown to function as

103 three spatially directional resorcin[4]arene cavitand glycoconjugates (RCGs) have been applied as eff

104 The membrane:cavitand:guest complexes can be subsequently used to cap

105 This novel cavitand has a deep aromatic pocket with three (S)-gluta

106 The study of traditional organic cavitands has been central in the development of supramo

107 ular chemistry, such as calixarenes, CTV, or cavitands, have been used to quickly obtain covalent cag

108 Here, we report a deep cavitand host with one short and three long walls.

109 styrylpyridinium dyes and water-soluble deep cavitand hosts can recognize phosphorylated peptides wit

110 nthesis and characterization of two deepened cavitand hosts with introverted functionality--functiona

111 The diazide substrates are taken up by the cavitand in D2 O in folded, dynamic conformations.

112 e structures and the relative orientation of cavitands in 1, 4, 5, and 9-14.

113 The use of capsules and cavitands in physical organic chemistry is briefly revie

114 ger capsules composed of four, six, or eight cavitands in the reaction between 2 and 3, the acid-cata

115 ned the use of synthetic, deep water-soluble cavitands in the Staudinger reduction of long-chain alip

116 Cavitands' inner cavities were quickly exploited by Cram

117 ibenzo-cyclononatriene transforms an achiral cavitand into a chiral host molecule.

118 ls the incorporation of a water-soluble deep cavitand into a membrane bilayer assembled onto a nanogl

119 roduced the spontaneous incorporation of the cavitand into the micelle and provided a detailed pictur

120 The synthesis of a water-soluble, deep cavitand is described.

121 Each cavitand is doubly linked to one other cavitand and sing

122 We report that a benzimidazole cavitand is incorporated in aqueous phosphocholine (PC)

123 hobic, concave binding site of a deep-cavity cavitand is presented.

124 ess between the vase and kite forms of these cavitands is investigated in solution by means of variab

125 previously unknown property of benzimidazole cavitands is reported in detail.

126 the tetra-iodo derivative 3, named "Key Iodo Cavitand" (KIC), which acts as a concave-shaped scaffold

127 esolution occurs because the presence of the cavitand leads to a competitive binding equilibrium in w

128 three thiolate terminal ligands to semirigid cavitand ligand LS(3).

129 st-free crystal form of the simple molecular cavitand, Me,H,SiMe2, is shown to be intrinsically porou

130 ur laboratory has reported on a new class of cavitands, namely, dyn[n]arenes, from which a polyanioni

131 umns coated with only ILs, it was clear that cavitands not only extended the utilization but also sub

132 Water-soluble octaacid cavitands (OAs) form dimeric capsules suitable for guest

133 smatic nanocage 5 (65% yield), in which each cavitand occupies one of the eight corners and is connec

134 The constituent cavitands of a cylindrical capsule were labeled with don

135 ptide, driven by both strong dye-peptide and cavitand-peptide binding (K(d) values up to 4 muM).

136 ditionally, we report that variations in the cavitand periphery and rim are well-tolerated under our

137 rganic cyclophanes such as calixarenes, deep cavitands, pillararenes, and tetralactams.

138 ity possible within the ostensibly identical cavitand pockets-which differ only in the presence and/o

139 Cavitand polymers also outperform commercial resins for

140 The cavitand polymers show similar removal kinetics as activ

141 The deep cavity cavitands possess cavities for self-inclusion leading to

142 es were synthesized from their resorcinarene cavitand precursors in good yields.

143 tor borondipyrromethene (BODIPY) dye-labeled cavitands present in the vase and kite forms was perform

144 Cavitands pS-2(12-) and pR-2(12-) were obtained in six s

145 an epoxyalcohol is catalyzed by a synthetic cavitand receptor with an inwardly directed carboxylic a

146 two of the six possible diastereomeric deep cavitand receptors resulting from the installation of fo

147 investigate the ability of tetraphosphonate cavitand receptors to discriminate between the different

148 lized with highly selective tetraphosphonate cavitand receptors.

149 The hierarchical nature of the cavitand recognition system allows both selective, sensi

150 ular hydrogen bonds at the upper rims of the cavitands resist the unfolding of the inner cavities and

151 The cavitand retains its host properties, and real-time anal

152 the organized peptide-like framework at the cavitand rim.

153 racene spacer that rotates rapidly about the cavitand rim.

154 ates by a network of secondary amides at the cavitand rim.

155 espite the steric protection provided by the cavitand scaffold, its Mn(IV)-oxo core remains highly re

156 ng the unique supramolecular capabilities of cavitand scaffolds with the high reactivities of transit

157 The cavitand shows strong selectivity based not on binding a

158 Zn-porphyrin wall is directly built onto the cavitand skeleton.

159 electivity was also observed, validating the cavitand strategy for the selective binding of ammonium

160 The cavitand surface recognition of each individual guest dr

161 distortion of the unsubstituted bowl-shaped cavitand than radial substitution.

162 iner, which is built up from six bowl-shaped cavitands that are connected together with 12 -CH=N-CH2C

163 yield an octahedral nanocage 1 composed of 6 cavitands that are linked together by 12 -CH=N-CH(2)CH(2

164 By using cavitands that assemble into distinct dimeric assemblies

165 This is provided by cavitands that fold around amines and present them with

166 s a distorted tetrahedron built up from four cavitands that occupy the apexes.

167 Diquinone-based resorcin[4]arene cavitands that open to a kite and close to a vase form u

168 amolecular chemistry matures, a new class of cavitand, the metallocavitand, is quietly emerging.

169 analogous tetra-phosphonate resorcin[4]arene cavitands, the 14-membered macrocyclic rings that contai

170 We achieved the new cavitands through regioselective synthesis and named the

171 were performed to probe the binding between cavitand Tiiii[C3H7, CH3, C2H5] or the water-soluble cou

172 ture of 13 complexes of the tetraphosphonate cavitand Tiiii[H, CH3, CH3] with amino acids.

173 t on the use of a water-soluble, deep-cavity cavitand to bring about kinetic resolutions within pairs

174 Here we use a tetra-cation cavitand to compare halide affinities obtained using a t

175 ng strategy involves the use of polyaromatic cavitands to achieve size and shape selectivity through

176 complexation preferences of tetraphosphonate cavitands toward ammonium chloride guests 1-4 were indep

177 of diquinone-diquinoxaline resorcin[4]arene cavitands upon redox interconversion.

178 The aldehyde is attached to the cavitand via an anthracene spacer that rotates rapidly a

179 corners and is connected to four neighboring cavitands via -CH=N-CH(2)CH(2)-N=CH- linkers.

180 cavitand and singly linked to the other two cavitands via -CH=N-CH(2)CH(2)N=CH- connectors.

181 ve-shaped scaffold for the synthesis of deep-cavitands via Sonogashira coupling.

182 clusion of the organometallic complex in the cavitand was endothermic and exclusively driven by entro

183 tle molecular recognition ability extends to cavitands, we have developed a new method to facilitate

184 unctionalized by a film of tetra-phosphonate cavitands were employed to screen as guests the compound

185 At neutral pH, dendronized deep-cavity cavitands were shown to form supramolecular nanocapsules

186 Calix[4]pyrrole phosphonate-cavitands were used as receptors for the design of supra

187 attached to the walls of a resorcin[4]arene cavitand, which is switchable between an expanded kite a

188 of PFAS occurs at the lower rim crown of the cavitand, which triggers self-aggregation of a PFAS-cavi

189 Cavitands, which are a class of compounds with deep open

190 ating the enantiopurity of inherently chiral cavitands, which complements and augments the convention

191 mediates are stabilized by binding in a deep cavitand with an introverted aldehyde functionality.

192 A deep cavitand with an inwardly directed carboxylic acid funct

193 s can be used in the preparation of congener cavitands with different properties and applications, an

194 ds (ILs) were used as solvents to coat three cavitands with slightly different structures onto GC col

195 reaction of the corresponding bromoacetamido cavitands with trialkyl phosphites.

196 unctional derivatives of heptiptycene, i.e., cavitands with two juxtaposed cavities.