C-18 AND C-19 QUASSINOIDS FROM EURYCOMA-LONGIFOLIA

被引:28
作者
ITOKAWA, H
QIN, XR
MORITA, H
TAKEYA, K
机构
[1] Department of Pharmacognosy, Tokyo College of Pharmacy, Hachioji, Tokyo 192-03
来源
JOURNAL OF NATURAL PRODUCTS | 1993年 / 56卷 / 10期
关键词
D O I
10.1021/np50100a016
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Two new 1,2-seco-1-nor-6(5-->10)abeo-picrasan-2,5-olide skeleton quassinoids, eurylactones A [1] and B [2], and two new C19 skeleton quassinoids 3 and 4 were isolated from Eurycoma longifolia together with two known C18 quassinoids 5 and 6. Their structures were established by the spectral evidence.
引用
收藏
页码:1766 / 1771
页数:6
相关论文
共 11 条
[1]   VALIDATION OF THE GENERAL-PURPOSE TRIPOS 5.2 FORCE-FIELD [J].
CLARK, M ;
CRAMER, RD ;
VANOPDENBOSCH, N .
JOURNAL OF COMPUTATIONAL CHEMISTRY, 1989, 10 (08) :982-1012
[2]   GROUND-STATES OF MOLECULES .38. MNDO METHOD - APPROXIMATIONS AND PARAMETERS [J].
DEWAR, MJS ;
THIEL, W .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1977, 99 (15) :4899-4907
[3]   STRUCTURE OF SHINJULACTONE-B, A NEW BITTER PRINCIPLE FROM AILANTHUS-ALTISSIMA [J].
FURUNO, T ;
NAORA, H ;
MURAE, T ;
HIROTA, H ;
TSUYUKI, T ;
TAKAHASHI, T ;
ITAI, A ;
IITAKA, Y ;
MATSUSHITA, K .
CHEMISTRY LETTERS, 1981, (12) :1797-1798
[4]   STRUCTURE DETERMINATION OF BITTER PRINCIPLES OF AILANTHUS-ALTISSIMA - STRUCTURES OF SHINJULACTONE-B, SHINJULACTONE-D, AND SHINJULACTONE-E [J].
FURUNO, T ;
ISHIBASHI, M ;
NAORA, H ;
MURAE, T ;
HIROTA, H ;
TSUYUKI, T ;
TAKAHASHI, T ;
ITAI, A ;
IITAKA, Y .
BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN, 1984, 57 (09) :2484-2489
[5]  
ISHIBASHI M, 1987, CHEM PHARM BULL, V35, P3011
[6]  
ITOKAWA H, 1992, CHEM PHARM BULL, V40, P1053, DOI 10.1248/cpb.40.1053
[7]  
ITOKAWA H, 1993, CHEM PHARM BULL, V41, P403, DOI 10.1248/cpb.41.403
[8]   HIGHLY OXYGENATED QUASSINOIDS FROM EURYCOMA-LONGIFOLIA [J].
MORITA, H ;
KISHI, E ;
TAKEYA, K ;
ITOKAWA, H ;
IITAKA, Y .
PHYTOCHEMISTRY, 1993, 33 (03) :691-696
[9]   NEW QUASSINOIDS FROM THE ROOTS OF EURYCOMA-LONGIFOLIA [J].
MORITA, H ;
KISHI, E ;
TAKEYA, K ;
ITOKAWA, H ;
TANAKA, O .
CHEMISTRY LETTERS, 1990, (05) :749-752
[10]  
SUONG N-N, 1982, Tetrahedron Letters, V23, P5159