THE THORPE-INGOLD EFFECT IN THE SYNTHESIS OF TETRAHYDROFURANS AND TETRAHYDROPYRANS BY COMPETITIVE CYCLIZATION WITH PHENYLTHIO MIGRATION

被引:23
作者
MCINTYRE, S [1 ]
SANSBURY, FH [1 ]
WARREN, S [1 ]
机构
[1] UNIV CAMBRIDGE,CHEM LAB,LENSFIELD RD,CAMBRIDGE CB2 1EW,ENGLAND
关键词
D O I
10.1016/S0040-4039(00)92399-2
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
In cyclisations of triols with two tethered hydroxyl nucleophiles (giving ethers by acid-catalysed phenylthio migration) a gem-dimethyl group in the carbon chain bearing one of the OH groups favours cyclisation of that chain whether the new ring is five- or six-membered and whether the cyclisation is exo or endo in the Baldwin sense.
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页码:5409 / 5412
页数:4
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