4.4 Article

Synthesis of functionalized triarylmethanes based on a 'FeCl3-catalyzed benzylation/[3+3] cyclocondensation' strategy

Journal

TETRAHEDRON LETTERS
Volume 50, Issue 13, Pages 1490-1492

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2009.01.079

Keywords

Arenes; Catalysis; Cyclizations; Regioselectivity; Silyl enol ethers

Funding

  1. State of Pakistan

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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) 2009 Elsevier Ltd. All rights reserved.

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