Process for the preparation of protected phosphine oxides

Details Process for the preparation of protected phosphine oxides Process for the preparation of protected phosphine oxides

C - Chemistry, Metallurgy

07

F

C07F 9/53 (2006.01) C07F 9/46 (2006.01)

Patent

CA 2061770

ABSTRACT OF THE DISCLOSURE PROCESS FOR THE PREPARATION OF PROTECTED PHOSPHINE OXIDES A process for the preparation of a protected phosphine oxide which comprises reacting a phosphinate ester having a protecting group on the phosphorus atom with an organomagnesium halide or an organolithium compound at a temperature of -70°C to 65°C. Protected phosphine oxides so prepared are useful intermediates for the preparation of tertiary phosphine oxides and acylphosphine oxide photoinitiators.

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