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The utility of the thermal rearrangement of a-amino ketones, a-hydroxy imines, and imine acid salts for the The 2-aminocyclohexanones were synthesis of a variety of 2-alkylamino-2-phenylcyclohexanones is described. reduced and the stereochemistry of four of the resulting amino alcohols determined.

Vinylphosphine (1) has been synthesized from diethyl vinylphosphonate in three steps including a retro cycloaddition reaction using flash vacuum pyrolysis (overall yield -30%) and characterized by mass, i.r., and n.m.r. spectroscopy; it exhibits a remarkable stability at room temperature in neutral solution.