Tetrahedron Letters p. 3983 - 3986 (1980)
Update date:2022-09-26
Topics:
Kolodiazhnyi, Oleg I.
The phosphines t-Bu2P-CH2R (R=H,Alk) react with CCl4 and CBr4 to give ylids with a halogen atom at P.Ylids t-Bu2P(Hlg)=CHR treated with CO2 and PhN=C=O give ketens t-Bu2P(O)-CR=C=O and ketenimines t-Bu2P(O)CR=C=NPh, respectively.
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