Chemical and Pharmaceutical Bulletin p. 21 - 23 (1992)
Update date:2022-08-03
Topics:
Yoneda
Inagaki
Harusawa
Kurihara
Ynone cyanohydrin diethyl phosphates (cyano phosphates) 2 reacted regioselectively with higher-order cuprates 3, generated from 2-thienyl(cyano)copper lithium and n-butyl lithium, to give trisubstituted allenic nitriles 4 through an SN2' process in good yields. On the other hand, reaction of an excess of dialkyl copper lithium with ynone cyano phosphates 2 afforded allylic nitriles 5, via allenic nitriles 4.
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Doi:10.1016/S0040-4039(00)91890-2
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