NEMOROSONOL, A DERIVATIVE OF TRICYCLO-[4.3.1.03,7]-DECANE-7-HYDROXY-2,9-DIONE FROM CLUSIA-NEMOROSA .7.

被引:31
作者
CERRINI, S
LAMBA, D
DELLEMONACHE, F
PINHERIO, RM
机构
[1] CNR, IST STRUTTURIST CHIM G GIACOMELLO, CPN 10, I-00016 MONTEROTONDO, ITALY
[2] UNIV CATTOLICA SACRO CUORE, CNR, CTR CHIM RECETTORI & MOLECOLE BIOL ATT, I-00168 ROME, ITALY
[3] UNIV FED ALOGOAS, DEPT QUIM, BR-57000 MACEIO, BRAZIL
关键词
CLUSIA-NEMOROSA; GUTTIFERAE; FRUITS; NEMOROSONOL; POLYISOPRENYLATED BENZOPHENONE; X-RAY CRYSTAL STRUCTURE;
D O I
10.1016/0031-9422(93)85248-P
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
The structure and relative stereochemistry of nemorosonol, isolated from the fruits of Clusia nemorosa, has been determined by X-ray crystallography. The novelty of the nemorosonol structure consists in its unique tricyclo[4.3. 1.0(3,7)]-decane-2,9-dione moiety. There are two crystallographically independent molecules in the unit cell, which show a different orientation of the isoprenyl side chain at C-1. The relative stereochemistry at C-5 has been revised. The molecules are held together by hydrogen bonding to form chains along the c axis.
引用
收藏
页码:1023 / 1028
页数:6
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