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1 (calix)(CH(3)OH), and 3, cis-Mo(2)(DAniF)(2)(calix).
2 process between 8(+) and 3, we revealed two calix[2]pseudorotaxane isomers in which the calix-wheel
3 ) and 8(+), the two possible orientations of calix[2]pseudorotaxane, namely, endo-benzyl and endo-alk
6 yclic peri substituents lead to a 3,5-linked calix[3]naphthalene, whereas cyclic peri substituents gi
7 e-step procedure has been applied to various calix[4, 5, 6, and 8]arenes, and in all cases, calixaren
8 -25,26,27,28-tetrakis(ethoxycarbonylmet hoxy)calix[4]arene (38), 5,11,17,23,29,35-hexakis(chlorosulfo
9 27,28-tetrakis(chlorosulfonyl phenoxyacetoxy)calix[4]arene (44), 5,11,17,23,29,35-hexakis(tert-butyl)
10 -ray structures of the alkali metal salts of calix[4]arene (HC4) illustrate the great influence of th
11 r rim 1,3-di{4-antipyrine}amide conjugate of calix[4]arene (L) exhibits high selectivity toward Hg(2+
12 A phenylene diimine capped conjugate of 1,3-calix[4]arene (L) was synthesized and characterized, and
13 ne-diimine-capped conjugate of lower rim 1,3-calix[4]arene (L) was synthesized, characterized, and sh
14 nalogue of biological receptors, cone-shaped calix[4]arene 1d is able to recognize a n-BuNH3(+) guest
16 diprotonated (monoprotonated) trifunctional calix[4]arene acts as a more or less innocent spectator.
17 xed via the axial route, passing through the calix[4]arene annulus, and provide evidence for complexa
18 h magnetic nano-inclusions using p-tertbutyl calix[4]arene as ionophore and polymeric matrix (polyvin
23 The triazole linked o-imino phenol appended calix[4]arene conjugate (L) has been synthesized and cha
25 tion of a triazole linked quinoline appended calix[4]arene conjugate, L, and its fluorescence turn on
26 hylamine ethylimino-appended triazole-linked calix[4]arene conjugate, L, has been synthesized and cha
27 upper rim bis-monopyrrolotetrathiafulvalene-calix[4]arene conjugates 2a,b and 3a,b have been efficie
28 The hexagonal close-packed arrangement of calix[4]arene contains lattice voids that can occlude sm
29 through trimethylenethioureido spacers to a calix[4]arene core and differing for the presence of met
30 ring a calix[4]pyrrole for anion binding and calix[4]arene crown-5 for cation recognition, was found
36 Spherical anions induce the dimerization of calix[4]arene derivatives 3 and 4 bearing squaramide moi
37 l compound, the catalytic superiority of the calix[4]arene derivatives points to a high level of coop
43 highly sodium-selective, crown ether-capped calix[4]arene ionophore, capable of ratiometric operatio
45 energetic and structural preferences of the calix[4]arene model change dramatically when it is bound
47 magnetic studies of the previously reported calix[4]arene nitroxide tetraradical, which possesses co
48 hilic cholate groups to a covalent scaffold (calix[4]arene or 1,3,5-2,4,6-hexasubstituted benzene).
51 The other relies on the electrografting of a calix[4]arene platform bearing diazonium functionalities
53 An ion-pair receptor, the calix[4]pyrrole-calix[4]arene pseudodimer 2, bearing a strong anion-reco
54 to structural conformation of 1,3-alternate-calix[4]arene scaffold and molecular electrostatic poten
58 guanidinium unit connected by a 1,2-vicinal calix[4]arene spacer was investigated in the transesteri
63 nd X-ray crystallography data, indicate that calix[4]arene tetrabutylamide 2 (1) forms ion channels i
65 ng the sodium-selective ionophore tert-butyl calix[4]arene tetramethyl ester and a lipophilic inert s
66 ng the sodium-selective ionophore tert-butyl calix[4]arene tetramethyl ester and the lithium ionophor
68 -bond exchange coupling in the 1,3-alternate calix[4]arene tetraradical is antiferromagnetic, while t
70 ferromagnetic in both cone and 1,3-alternate calix[4]arene tetraradical, as well as in the 1,3-altern
71 f Ugi-4CR for the narrow-rim modification of calix[4]arene toward the synthesis of a series of tripep
73 the specific bonding and size-selectivity of calix[4]arene tungsten-imido complex combined with (19)F
76 riazole linked imino-thiophenyl conjugate of calix[4]arene, [ZnL], was demonstrated to be highly fluo
77 n provided by the hydroxyl hydrogen bonds in calix[4]arene, neither the cone nor the 1,2-alternate co
78 of a stable macrocyclic tetranitroxide 1, a calix[4]arene, which is functionalized with four tert-bu
79 is is not the case with the tetrasubstituted calix[4]arene, whose mono-, di-, and triprotonated forms
80 ynthetic models for the filter, p-tert-butyl-calix[4]arene-(OCH(2)CO-XOBz)(4) (X = V, VG, VGY), 1-3.
81 A new triazole-linked anthracenyl-appended calix[4]arene-1,3-diconjugate (L) has been synthesized a
82 loying 25,26,27,28-tetrapropoxy-5,17-dibromo-calix[4]arene-11,23-dicarboxylic acid, two 1:1 dimetal:c
85 ith linear and branched connectivity between calix[4]arene-based macrocycles, are prepared via modula
89 in the aqueous phase was demonstrated using calix[4]arene-bis(tert-octylbenzo-crown-6) (BOBCalixC6)
90 aphic resin has been developed by dissolving calix[4]arene-bis(tert-octylbenzo-crown-6) (BOBCalixC6)
98 A fluorogenic derivative of 1,3-alternate calix[4]arenebis(crown-6) (1) containing a dansyl group
100 n of the zeroth generation example with four calix[4]arenes and of the first generation example with
101 The chemical ingredients of the assembly, calix[4]arenes and oligothiophenes, are screened separat
104 spectra of alkali metal salts of monoanionic calix[4]arenes indicate that they have the cone conforma
106 method for the synthesis of optically active calix[4]arenes that are chiral as a result of substituti
107 influence on the conformation and binding of calix[4]arenes to alkali-metal cations has been studied
109 can be assembled by linking two bowl-shaped calix[4]arenes via four dimetal units, (DAniF)(2)Rh(2) (
111 The structure and reactivity of grafted Ti-calix[4]arenes were weakly dependent on thermal treatmen
112 intrinsic conformational properties of cone calix[4]arenes with orientable groups at the upper rim w
113 nificance of cation-pi binding, not only for calix[4]arenes, but also for other supramolecular and bi
114 -bromodienone route, previously reported for calix[4]arenes, is also effective for the functionalizat
124 hexafluorophosphate) to a tetrathiafulvalene calix[4]pyrrole (TTF-C4P) donor enforces a host conforma
125 llerenes (C60 and C70) by tetrathiafulvalene-calix[4]pyrrole (TTF-C4P) receptors and the nature of th
128 Herein we describe a large capsule-like bis-calix[4]pyrrole 1, which is able to host concurrently tw
130 , namely a tetrathiafulvalene-functionalized calix[4]pyrrole and a bis(dinitrophenyl)-meso-substitute
132 mation and the interplay of a self-assembled calix[4]pyrrole array that exhibits three limiting forms
133 zontal lineO groups in the tetra-phosphonate calix[4]pyrrole cavitands are conformationally flexible,
134 ening dichloromethane barrier containing the calix[4]pyrrole conjugate, and a receiving basic aqueous
135 icture wherein the meso-substituted cytosine calix[4]pyrrole conjugate, but not its beta-linked conge
136 characterization of two cytosine-substituted calix[4]pyrrole conjugates, bearing the appended cytosin
137 /CD3OD, binding of fluoride anion within the calix[4]pyrrole core of 1 was not observed in the absenc
139 than the previously reported bis-phosphonate calix[4]pyrrole counterparts in the complexation of both
142 ral data, the ion-pair receptor 1, bearing a calix[4]pyrrole for anion binding and calix[4]arene crow
143 hydrogen-bonding interactions between a bis-calix[4]pyrrole macrocycle and linear bis-amidepyridyl-N
145 nd several alpha,alpha-isomers of "two-wall" calix[4]pyrrole receptors bearing two six-membered aroma
151 ding energy between the halide anion and the calix[4]pyrrole was found to be about 7 kJ/mol larger fo
152 nted synthetic receptor, an aryl-substituted calix[4]pyrrole with a monophosphonate bridge, is report
153 t we could not detect the interaction of the calix[4]pyrrole with phosphate in the presence of water.
156 that was enhanced relative to unsubstituted calix[4]pyrrole, was found to transport 5'-CMP roughly 4
160 The ion-pairing free energies between the calix[4]pyrrole-halide complex and the cesium cation are
167 bilayers facilitated by a series of strapped calix[4]pyrroles and show that these compounds facilitat
168 ectronic nature of the aromatic walls of the calix[4]pyrroles and the stability of the nitrate subset
174 e we show that two pyridine diamide-strapped calix[4]pyrroles induce coupled chloride anion and sodiu
175 um cation sandwiched between two cone shaped calix[4]pyrroles originating from separate receptor unit
177 hiophene containing "two-wall" aryl extended calix[4]pyrroles were synthesized for the first time, th
178 ety of electrophiles were used, resulting in calix[4]pyrroles with appended functional groups includi
179 synthesis of porphyrins, corroles, chlorins, calix[4]pyrroles, porphodimethenes, BODIPY dyes and dipy
184 linylmethyl derivative of a tetra-sulfonated calix[4]resorcarene (1) is an effective chiral NMR solva
187 bstrates have association constants with the calix[4]resorcarene larger than those of similar phenyl-
189 of shielding from the aromatic rings of the calix[4]resorcarene, and several resonances in the 1H NM
194 gent is consistently the most effective, the calix[4]resorcinarenes with trans-4-hydroxyproline and t
195 nyl rings associate within the cavity of the calix[4]resorcinarenes, as do naphthyl rings with mono-,
198 dative coupling of the tetrabenzoyl ester of calix[5]arene (shown by X-ray crystallographic analysis
202 ration data show that preorganization of the calix[5]arene scaffold leads to great thermodynamic stab
204 yclic peri substituents give predominantly a calix[5]naphthalene with the corresponding 3,6-linkage.
205 for calix[8]-wheels 2 and 3, with respect to calix[6]-host 1a, due to the cooperative effect of their
206 lbenzylammonium axles 7(+) and 8(+) with the calix[6]-wheel 3 can occur by both routes of entering th
207 d water) and an anion dopant (para sulfonato calix[6]arene ((C[6]S)(-6))), on the manufacturing and p
208 8,39,40,41,42-hexakis(ethoxyc arbonylmethoxy)calix[6]arene (39), 5,11,17,23,29,35,41,47-octakis(chlor
209 ,41,42-hexakis(chlorosulfo nylphenoxyacetoxy)calix[6]arene (45), and 5,11,17,23,29,35,41,47-octakis(t
218 3) with the 1,3,5-trimethylether of the t-Bu-calix[6]arene in the presence of sodium hydride in THF i
219 o naphthalene moiety 1,3,5-triderivatives of calix[6]arene L1 and L2 have been synthesized and charac
221 ratio of MOC(CH(3))(3) (M = Li, Na) to give calix[6]arene monoanions, but calix[6]arenes react in a
223 ]arene pKa(1) = 19.06 +/- 0.22, pKa(2) > 33; calix[6]arene pKa(1) = 15.59 +/- 0.06, pKa(2) = 23.85 +/
224 em possessing only one such unit without the calix[6]arene platform (L1) does not show any selectivit
225 centers possessing OND units present on the calix[6]arene platform, while a control molecular system
229 he extension of this synthetic strategy to a calix[6]arene-based receptor displaying a different reco
230 the straightforward synthesis of fluorescent calix[6]arene-based receptors 4a and 4b bearing three py
232 escribed that the host-guest properties of a calix[6]arene-based Zn complex could be exploited for it
235 i, Na) to give calix[6]arene monoanions, but calix[6]arenes react in a 1:1 molar ratio with M(2)CO(3)
236 n-type axles afforded by tris(N-phenylureido)calix[6]arenes, enables a strict directional control of
237 ble than the alkali metal salts of dianionic calix[6]arenes, which has been shown by their solution N
243 e endo-benzyl one, was observed by threading calix[8]-wheel 3 with the directional n-butylbenzylammon
245 eudorotaxane K(ass) values were obtained for calix[8]-wheels 2 and 3, with respect to calix[6]-host 1
246 2,53,54,55,56-oct akis(ethoxycarbonylmethoxy)calix[8]arene (40), 5,11,17,23-tetrakis(tert-butyl)-25,2
247 ,55,56-octakis (chlorosulfonylphenoxyacetoxy)calix[8]arene (46) were synthesized by two different mul
249 0 on gold surfaces was achieved with SAMs of calix[8]arene derivative 5 but not with those of 1-4.
251 through-the-annulus threading of the larger calix[8]arene macrocycle with di-n-alkylammonium cations
252 urs only upon partial preorganization of the calix[8]arene macroring by intramolecular bridging.
253 0.06, pKa(2) = 23.85 +/- 0.35, pKa(3) > 33; calix[8]arene pKa(1) = 17.20 +/- 0.20, pKa(2) = 20.32 +/
256 de and characterized: 2, cis-Rh(2)(DAniF)(2)(calix)(CH(3)OH), and 3, cis-Mo(2)(DAniF)(2)(calix).
258 pic studies, however, provide evidence that [Calix-HBut(OH)2(O)2]W(PMe3)3H3 is in equilibrium with it
262 DeltaG(ass)) values and energy barriers for calix inversion due to the effectiveness of thread templ
266 The anion binding properties of fluorinated calix[n]pyrroles (n = 4-6) in aprotic solvents (acetonit
269 calix[2]pseudorotaxane isomers in which the calix-wheel adopts 1,2,3-alternate and cone conformation
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