SYNTHETIC STUDIES ON CALYCULIN-A - A CONVENIENT ASYMMETRIC-SYNTHESIS OF ANTI-VICINAL DIOLS

被引:21
作者
BARRETT, AGM [1 ]
MALECHA, JW [1 ]
机构
[1] COLORADO STATE UNIV,DEPT CHEM,FT COLLINS,CO 80523
来源
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1 | 1994年 / 14期
关键词
D O I
10.1039/p19940001901
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
anti-Vicinal diols have been prepared with excellent relative and-absolute stereocontrol via the reaction of aldehydes with B-{3-[(diisopropylamino)dimethylsilyl]allyl}diisopinocampheylborane in THF and diethyl ether and work-up using potassium fluoride. potassium hydrogen carbonate and hydrogen peroxide in aqueous methanol. Absolute stereoselectivities of reactions were determined by conversion of four product diols into bis[(R)-alpha-methoxy-alpha-(trifluoromethyl)phenylacetate] esters. The reactions are relevant to the synthesis of the marine phosphatase inhibitor calyculin A.
引用
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页码:1901 / 1905
页数:5
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