A new strategy for the synthesis of coumarin- and quinolone-annulated pyrroles via Pd(0) mediated cross-coupling followed by Cu(I) catalyzed heteroannulation
作者:K.C. Majumdar、Shovan Mondal
DOI:10.1016/j.tetlet.2008.02.044
日期:2008.4
The sequential coupling and cyclization reactions between aryl halides and (trimethylsilyl) acetylene (TMSA) with concurrent elimination of the TMS substituent, allows a straightforward synthesis of substituted pyrano[3,2-e]indolone and pyrrolo[3,2-f]quinolone derivatives in excellent yields. (C) 2008 Elsevier Ltd. All rights reserved.