Unexpected synthesis of a 1,4-diaza, 2σ3λ3, 3σ4λ5 diphospholene
Abstract
The reaction of the dichlorophosphine (Me3Si)2CHPCl2(1a), with a trisilylated amidine (2), leads to the formation of a 1,4-diaza, 2σ3λ3, 3σ4λ5 diphospholene (3a), the X-ray crystal structure of which has been determined.