Access to ring-fused azepino[3,4-b]indole-1,5-dione derivatives by ring-closing olefin metathesis

摘要

The new ring-fused azepino[5,6-b]indole derivatives 3, 4 and 5 were prepared from diene precursors 8, 9, 13 and 15 in fair yields via a final ring-closing olefin metathesis. (C) 2004 Elsevier Ltd. All rights reserved.