Synthesis of optically active amino azapenams by the photolytic reaction of chromium aminocarbene complexes with N-protected imidazolines

Article abstract of DOI:10.1016/S0040-4020(01)87268-9

Photolysis of optically active aminocarbene chromium complexes with N-protected imidazolines produced α-amino-N-protected azapenams in good yield and with high diastereoselectivity. Removal of the protecting group resulted in cleaving of the β-lactam to g