Photoinduced molecular transformations. 104. Pathways of the photorearrangements of five-membered cyclic steroidal .alpha.-nitro ketones to N-hydroxy cyclic imides, cyclic hydroxamic acid, and cyclic imide
Photoinduced molecular transformations. 104. Pathways of the photorearrangements of five-membered cyclic steroidal .alpha.-nitro ketones to N-hydroxy cyclic imides, cyclic hydroxamic acid, and cyclic imide