Der Zugang zum Antitumor‐Antibiotikum CC‐1065 mittels Hetero‐Cope‐Umlagerung von Vinyl‐N‐phenylhydroxamaten

The Access to the Three Subunits of the Antitumor Antibiotic CC ‐ 1065 by Hetero‐ Cope Rearrangement of Vinyl N ‐Phenylhydroxamates . The use of the hetero‐ Cope rearrangement of vinyl N phenylhydroxamates to indoles for the preparation of the 1,2‐dihydro‐3 H , 6 H ‐benzo[1,2‐b:4,3‐b′]dipyrrole skeleton, the structural subunits characteristic of the antitu‐mor antibiotic CC ‐ 1065 as well as the phosphodiesterase inhibitors PDE ‐ I and PDE ‐ II is described.