Four heptacyclic indoles from Kopsia teoi

被引：7

作者：

Kam, TS

Yoganathan, K

Chuah, CH

机构：

[1] Department of Chemistry, University of Malaya

来源：

PHYTOCHEMISTRY | 1997年 / 45卷 / 03期

关键词：

Kopsia teoi; Apocynaceae; leaves; indole alkaloids;

D O I：

10.1016/S0031-9422(96)00870-9

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Two new indole alkaloids, kopsidines C and D, in addition to kopsidines A and B, were obtained from the leaf extract of Kopsia teoi. The structures of the new alkaloids were established by spectral methods. (C) 1997 Elsevier Science Ltd.

引用

页码：623 / 625

页数：3

共 13 条

[1]

KAM TS, 1993, PHYTOCHEMISTRY, V33, P921, DOI 10.1016/0031-9422(93)85305-B

[2] ALKALOIDS FROM LEAVES OF KOPSIA-LARUTENSIS [J].

KAM, TS ;

TAN, PS ;

CHUAH, CH .

PHYTOCHEMISTRY, 1992, 31 (08) :2936-2938

[3] LUNDURINE-A, LUNDURINE-B AND LUNDURINE-C, NEW INDOLE ALKALOIDS NOVEL CARBON SKELETON CONTAINING A CYCLOPROPYL MOIETY [J].

KAM, TS ;

YOGANATHAN, K ;

CHUAH, CH .

TETRAHEDRON LETTERS, 1995, 36 (05) :759-762

[4] Three aspidofractinine-type alkaloids from Kopsia teoi [J].

Kam, TS ;

Yoganathan, K .

PHYTOCHEMISTRY, 1996, 42 (02) :539-541

[5] KOPSIDINE-A AND KOPSIDINE-B, 2 NOVEL INDOLE ALKALOIDS FROM A MALAYSIAN KOPSIA [J].

KAM, TS ;

YOGANATHAN, K ;

CHUAH, CH .

TETRAHEDRON LETTERS, 1993, 34 (11) :1819-1822

[6] ASPIDOFRACTININE ALKALOIDS FROM A NEW KOPSIA SPECIES [J].

KAM, TS ;

YOGANATHAN, K ;

CHUAH, CH ;

WEI, C .

PHYTOCHEMISTRY, 1993, 32 (05) :1343-1346

[7] PLUMERAN ALKALOIDS FROM KOPSIA-PROFUNDA [J].

KAM, TS ;

TAN, PS .

PHYTOCHEMISTRY, 1990, 29 (07) :2321-2322

[8]

KAM TS, 1993, PHYTOCHEMISTRY, V32, P489, DOI 10.1016/S0031-9422(00)95027-1

[9]

KAM TS, 1994, TETRAHEDRON LETT, V35, P4447

[10]

Markgraf F., 1972, BLUMEA, V20, P416

← 1 2 →