Total synthesis of 3-hydroxy-6-oxaestra-1,3,5(10)-trien-17-one

被引:5
作者
Cao, ZS [1 ]
Liehr, JG [1 ]
机构
[1] UNIV TEXAS,MED BRANCH,DEPT PHARMACOL & TOXICOL,GALVESTON,TX 77555
来源
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1 | 1996年 / 08期
关键词
D O I
10.1039/p19960000841
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The modified steroid estrogen, 3-hydroxy-6-oxaestra-1,3,5(10)-trien-17-one, i.e. 6-oxaestrone 8 has been prepared from 7-methoxychromanone 1 by de novo synthesis of the modified steroid ring system. The H-1 and C-13 NMR data for the intermediate products 3, 4, 4a, 4b, 4c, 6, 7, and for the final product 8 support the proposed structures, A mechanism for the ring-closure reaction of 3 to intermediate products 4 and 4a is proposed.
引用
收藏
页码:841 / 844
页数:4
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