PREPARATION OF 1-METHOXYCARBONYL-1-TERT-BUTYLDIMETHYLSILYLOXY EPOXIDES - THEIR TRANSFORMATION INTO 3-HYDROXY 2-ACETAL-ESTERS AND CERTAIN 3-HYDROXY 2-KETO-ESTERS

被引:5
作者
PUJOL, B [1 ]
SABATIER, R [1 ]
DRIGUEZ, PA [1 ]
DOUTHEAU, A [1 ]
机构
[1] INST NATL SCI APPL,DEPT BIOCHIM,CHIM ORGAN LAB,20 AVE ALBERT EINSTEIN,F-69621 VILLEURBANNE,FRANCE
关键词
SILYL ENOL ETHERS; SILYLOXY EPOXIDES; 3-HYDROXY; 2-ACETAL-ESTERS; 2-KETO-ESTERS;
D O I
10.1016/S0040-4039(00)91643-5
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The peracid oxidation of methyl 2-(t-butyldimethylsilyloxy)-2-alkenoates 2 furnished the corresponding epoxides 3 in good yields. The regiospecific opening of the latter compounds with methanol afforded 3-hydroxy 2-acetal-esters 4. When alkyl disubstituted in position 3, compounds 3 or 4 could be deprotected to give rise to 3-hydroxy 2-keto-esters 5.
引用
收藏
页码:1447 / 1450
页数:4
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