Synthesis of functionalized triarylmethanes by combination of FeCl3-catalyzed benzylations of acetylacetone with [3+3] cyclocondensations
作者:Rasheed Ahmad Khera、Ihsan Ullah、Rasheed Ahmad、Abdolmajid Riahi、Nguyen Thai Hung、Muhammad Sher、Alexander Villinger、Christine Fischer、Peter Langer
DOI:10.1016/j.tet.2010.01.022
日期:2010.2
Functionalized triarylmethanes are prepared in two steps by FeCl3-catalyzed benzylation of acetylacetone to give 3-(diarylmethyl)pentane-2,4-diones and subsequent formal [3+3] cyclization of the latter with 1,3-bis(trimethylsilyloxy)-1,3-dienes (C) 2010 Elsevier Ltd All rights reserved