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Titolo:
C-3-symmetric metacyclophane-based anion receptors with three thiourea groups as linkers between aromatic groups
Autore:
Lee, KH; Hong, JI;
Indirizzi:
Seoul Natl Univ, Coll Nat Sci, Sch Chem, Seoul 151742, South Korea Seoul Natl Univ Seoul South Korea 151742 Chem, Seoul 151742, South Korea
Titolo Testata:
TETRAHEDRON LETTERS
fascicolo: 32, volume: 41, anno: 2000,
pagine: 6083 - 6087
SICI:
0040-4039(20000805)41:32<6083:CMARWT>2.0.ZU;2-3
Fonte:
ISI
Lingua:
ENG
Soggetto:
MACROCYCLE INTERACTION; NEUTRAL RECEPTORS; KINETIC DATA; COMPLEXATION; RECOGNITION; NUCLEOTIDES; PHOSPHATE; TRANSPORT; BINDING; ACCELERATION;
Keywords:
anion recognition; metacyclophane; thiourea; H-1 NMR titration;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Physical, Chemical & Earth Sciences
Citazioni:
34
Recensione:
Indirizzi per estratti:
Indirizzo: Hong, JI Seoul Natl Univ, Coll Nat Sci, Sch Chem, Seoul 151742, South Korea Seoul Natl Univ Seoul South Korea 151742 ul 151742, South Korea
Citazione:
K.H. Lee e J.I. Hong, "C-3-symmetric metacyclophane-based anion receptors with three thiourea groups as linkers between aromatic groups", TETRAHEDR L, 41(32), 2000, pp. 6083-6087

Abstract

Neutral anion receptors based on the C-3-symmetric metacyclophane structure with three thiourea groups as linkers between aromatic groups have been prepared and examined for their anion-binding ability. The association constants of 1 and 2 with various anions were measured by the H-1 NMR titration method. Compound 2, with three convergent thiourea groups pointing toward the binding cavity, showed increased binding affinities to anions and selective binding to AcO- compared to conformationally more flexible 1, which exhibited selective binding to H2PO4- in DMSO-d(6). (C) 2000 Elsevier Science Ltd. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 24/11/20 alle ore 22:49:24