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Titolo:
INDOLE-FUSED TETRAAZACYCLOOCTADECANES - DOUBLE-HELICAL MACROCYCLES
Autore:
MASCAL M; WOOD IG; BEGLEY MJ; BATSANOV AS; WALSGROVE T; SLAWIN AMZ; WILLIAMS DJ; DRAKE AF; SILIGARDI G;
Indirizzi:
UNIV NOTTINGHAM,DEPT CHEM,UNIV PK NOTTINGHAM NG7 2RD ENGLAND SMITHKLINE BEECHAM PHARMACEUT TONBRIDGE TN11 9AN KENT ENGLAND LOUGHBOROUGH UNIV TECHNOL,DEPT CHEM,CRYSTALLOG LAB LOUGHBOROUGH LE11 3TU LEICS ENGLAND UNIV LONDON IMPERIAL COLL SCI TECHNOL & MED,DEPT CHEM LONDON SW7 2AZ ENGLAND UNIV LONDON BIRKBECK COLL,DEPT CHEM LONDON WC1H 0AJ ENGLAND
Titolo Testata:
Journal of the Chemical Society. Perkin transactions. I
fascicolo: 20, , anno: 1996,
pagine: 2427 - 2433
SICI:
0300-922X(1996):20<2427:IT-DM>2.0.ZU;2-U
Fonte:
ISI
Lingua:
ENG
Soggetto:
METALLOSUPRAMOLECULAR CHEMISTRY; MOLECULES;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
17
Recensione:
Indirizzi per estratti:
Citazione:
M. Mascal et al., "INDOLE-FUSED TETRAAZACYCLOOCTADECANES - DOUBLE-HELICAL MACROCYCLES", Journal of the Chemical Society. Perkin transactions. I, (20), 1996, pp. 2427-2433

Abstract

Transannular hydrogen bonding stabilizes a left-handed double helicalconformation in the tryptophan-derived tetraazacyclooctadecane 1 bothin solution and the solid state, whereas the analogous tryptamine-derived macrocycle 2 shows less tendency towards intramolecular hydrogen bonding and does not exist as a helix in the crystal. Azamacrocycles 1and 2 are synthesized by a novel method and their secondary structureanalysed by NMR spectroscopy, circular dichroism and X-ray diffraction, Molecular modelling does not account for the conformational differences between 1 and 2.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 30/11/20 alle ore 10:05:05