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

5 de terminal deep and inaccessible within the cavitand.

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

7 ain the molecular recognition ability of the cavitand.

8 and N-cyclohexyl groups generate deep cavity cavitands.

9 rgy preference for the kite conformer of the cavitands.

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

11 out geometrical constraints imposed by small cavitands.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

27 Synthetic cavitands and protein cavities have been widely studied

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

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

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

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

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

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

34 Cavitands are established tools of supramolecular chemis

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

56 When cavitand-coated columns were compared with columns coate

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

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

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

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

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

62 Deep cavitands, derived from resorcinarenes, nearly surround

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

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

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

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

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

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

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

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

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

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

73 A cavitand functionalized with a Kemp's triacid derivative

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

75 The cavitand-functionalized SWCNTs were shown to function as

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

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

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

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

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

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

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

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

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

85 Cavitands' inner cavities were quickly exploited by Cram

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

109 lized with highly selective tetraphosphonate cavitand receptors.

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

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

112 racene spacer that rotates rapidly about the cavitand rim.

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

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

115 The cavitand shows strong selectivity based not on binding a

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

117 The cavitand surface recognition of each individual guest dr

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

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

120 By using cavitands that assemble into distinct dimeric assemblies

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

141 A deep cavitand with an inwardly directed carboxylic acid funct

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

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

144 reaction of the corresponding bromoacetamido cavitands with trialkyl phosphites.

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