Crystal structures of two furanosesquiterpenes from Commiphora sphaerocarpa

被引:37
作者
Dekebo, A
Dagne, E
Hansen, LK
Gautun, OR
Aasen, AJ
机构
[1] Univ Addis Ababa, Dept Chem, Addis Ababa, Ethiopia
[2] Univ Tromso, Dept Chem, N-9037 Tromso, Norway
[3] Univ Oslo, Sch Pharm, N-0316 Oslo, Norway
关键词
Commiphora sphaerocarpa; Burseraceae; C; myrrha; myrrh; furanosesquiterpenes; X-ray crystallography;
D O I
10.1016/S0040-4039(00)01752-4
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The relative stereochemistry of a furanosesquiterpene, reported previously from myrrh, but isolated here from Commiphora sphaerocarpa is determined for the first time as (1(10)E,2R*,4R*)-2-methoxy-8,12-epoxygermacra-1(10),7,11-trien-6-one. Likewise the stereochemistry of furanodienone was established by NMR and X-ray crystallography as (1(10)E,4E)-8,12-epoxygermacra-1(10),4,7,11-tetrean-6-one. (C) 2000 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:9875 / 9878
页数:4
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