A. Kascheres et al., REACTION OF A 1-AZIRINE-3-METHYLACRYLATE AND DERIVATIVES WITH DIPHENYLKETENE - A CONVENIENT ROUTE TO 5-PYRROLIN-2-ONES, Tetrahedron, 53(21), 1997, pp. 7089-7096
Reaction of 1-azirines 1a-d with diphenylketene afforded 1:1 adducts t
hat were shown to be 5-pyrrolin-2-ones 3a-d. Some transformations of 3
are described. (C) 1997 Elsevier Science Ltd.