STEREOSELECTIVE SYNTHESIS OF 1-ALPHA-HYDROXYVITAMIN D3 A-RING SYNTHONS BY PALLADIUM-CATALYZED CYCLIZATION

被引:45
作者
NAGASAWA, K [1 ]
ZAKO, Y [1 ]
ISHIHARA, H [1 ]
SHIMIZU, I [1 ]
机构
[1] WASEDA UNIV,SCH SCI & ENGN,DEPT APPL CHEM,OOKUBO 3-4-1,SHINJUKU KU,TOKYO 169,JAPAN
关键词
D O I
10.1016/S0040-4039(00)93501-9
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Palladium-catalyzed cyclization of 8-bromo-2,8-nonadienoates proceeded stereoselectively to give 1-alpha-hydroxyvitamin D3 A-ring synthons in good yields.
引用
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页码:4937 / 4940
页数:4
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