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Titolo:
STUDIES ON TERPENOIDS AND STEROIDS .27. STRUCTURE OF A D-A-FRIEDO-OLEANANE TRITERPENOID FROM SALACIA-RETICULATA AND REVISION OF THE STRUCTURES OF KOKOONOL AND KOKZEYLANOL SERIES OF TRITERPENOIDS
Autore:
GUNATILAKA AAL; DHANABALASINGHAM B; KARUNARATNE V; KIKUCHI T; TEZUKA Y;
Indirizzi:
VIRGINIA POLYTECH INST & STATE UNIV,DEPT CHEM BLACKSBURG VA 24061 UNIV PERADENIYA,DEPT CHEM PERADENIYA SRI LANKA TOYAMA MED & PHARMACEUT UNIV,WAKAN YAKU RES INST TOYAMA TOYAMA 93001 JAPAN
Titolo Testata:
Tetrahedron
fascicolo: 45, volume: 49, anno: 1993,
pagine: 10397 - 10404
SICI:
0040-4020(1993)49:45<10397:SOTAS.>2.0.ZU;2-V
Fonte:
ISI
Lingua:
ENG
Soggetto:
ZEYLANICA;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
11
Recensione:
Indirizzi per estratti:
Citazione:
A.A.L. Gunatilaka et al., "STUDIES ON TERPENOIDS AND STEROIDS .27. STRUCTURE OF A D-A-FRIEDO-OLEANANE TRITERPENOID FROM SALACIA-RETICULATA AND REVISION OF THE STRUCTURES OF KOKOONOL AND KOKZEYLANOL SERIES OF TRITERPENOIDS", Tetrahedron, 49(45), 1993, pp. 10397-10404

Abstract

The structure of epi-kokoondiol isolated from the outer root bark of Salacia reticulata var. beta-diandra has been elucidated as 21alpha,26-dihydroxy-1):A-friedo-oleanan-3-one (1) by the application of 2D and NOE difference NMR spectroscopy. Reinvestigation of some Kokoona triterpenoids by NOE difference spectroscopy led to the revision of the structures of kokoondiol, kokoononol, kokzeylanol, kokoonol, and kokzeylanonol as 21beta,26-dihdroxy-D:A-friedo-oleanan-3-one (2), 26-hydroxy-D:A-friedo-oleanane-3,21-dione (3), 6beta,26-dihydroxy-D:A-friedo-oleanan-3-one (4) 26-hydroxy-D:A-friedo-oleanan-3-one (5), and 6beta,26-dihydroxy-D:A-friedo-oleanane-3,21-dione (6), respectively.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 16/07/20 alle ore 16:41:43