Tetrahedron Letters

P-halogène-alcoylidène-phosphoranes

OI Kolodiazhnyi

文献索引：Kolodiazhnyi, Oleg I. Tetrahedron Letters, 1980 , vol. 21, p. 3983 - 3986

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被引用次数: 21

摘要

Résumé The phosphines t Bu 2 P CH 2 R (R H, Alk) react with CCl 4 and CBr 4 to give ylids with a halogen atom at P. Ylids at t Bu 2 P (Hlg) CHR 4 treated with CO 2 and PhN C O give ketens t Bu 2 P (O) CR C O and ketenimines t Bu 2 P (O) CR C NPh,