Tetrahedron

Synthesis and properties of carbamoyl derivatives of photolabile benzoins

G Papageorgiou, JET Corrie

Index: Papageorgiou, George; Corrie, John E.T. Tetrahedron, 1997 , vol. 53, # 11 p. 3917 - 3932

Full Text: HTML

Citation Number: 51

Abstract

Carbamoyl derivatives of photolabile benzoins, particularly of 3′, 5′-dimethoxybenzoin, are readily prepared via the mixed p-nitrophenyl carbonate of the benzoin. The method is most suitable for secondary amines, since many primary amines exist in varying proportions as the cyclic hydroxyoxazolidinone tautomer. In alkaline solution (0.2 M NaOH) the carbamates of unsymmetrical benzoins are readily equilibrated. Flash photolysis of 3′, 5 ...