Tetrahedron letters

DBP ylides: Wittig reagents for synthesis of E-alkenes from aldehydes

E Vedejs, C Marth

文献索引：Vedejs, E.; Marth, C. Tetrahedron Letters, 1987 , vol. 28, # 30 p. 3445 - 3448

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被引用次数: 38

摘要

Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... Phosphorus ylides based on the dibenzophosphole (DBP) ring system convert aldehydes into trans-disubstituted oxaphosphetanes with good to excellent selectivity. Decomposition at 70–110° affords alkenes with E:Z ratios from 6:1 to > 100:1. ... An E-selective Wittig ...