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Synthesis 2005(11): 1779-1782
DOI: 10.1055/s-2005-869897
DOI: 10.1055/s-2005-869897
PAPER
© Georg Thieme Verlag Stuttgart · New York
InCl3-HMTA as a Methylene Donor: One-Pot Synthesis of Diindolylmethane (DIM) and Its Derivatives
Further Information
Received
11 February 2005
Publication Date:
18 May 2005 (online)
Publication History
Publication Date:
18 May 2005 (online)

Abstract
Treatment of indoles 1a-k with hexamethylenetetramine (HMTA) (2) in presence of a catalytic amount (10 mol%) of InCl3 resulted in 3,3′-diindolylmethane (DIM) derivatives 3a-k in excellent yields.
Key words
indium trichloride - catalyst - hexamethylenetetramine (HMTA) - diindolylmethane (DIM) - dietary supplement - anti-cancer
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