Chemistry Letters p. 1229 - 1232 (1986)
Update date:2022-07-30
Topics:
Minami, Toru
Kitajima, Yoshiyuki
Chkugo, Tsuguhiko
α-Diethoxyphosphinyl-γ-butenolide was synthesized in good yield by phenylselenenylation of an α-diethoxyphosphinyl -γ-butyrolactone carbanion and subsequent oxidative elimination of the phenylseleno residue.The butenolide 2 underwent the Michael addition of various nucleophiles to generate the phosphoryl-stabilized carbanions, which reacted with carbonyl compounds to give α,β-difunctionalized γ-butyrolactones, ligands, and a γ-butyrolactone annelated compound.
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