Archiv der Pharmazie p. 790 - 794 (1980)
Update date:2022-08-04
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Pindur, Ulf
The 3-substituted indoles 1 and 2 react with 2,6-dimethoxybenzaldehyde (3a) to yield the diindolylmethanes 4 and 6 by acid catalysis.The reaction of 2 with 3a also yields the tetrahydro-β-carboline 7.The sterically hindered mesitylaldehyde (3b) reacts only with the indole 1 to give the 2,2'-diindolylmethane 5, while the tryptophane methyl ester 2 yields the tetrahydro-β-carboline 8 only.
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(1980)Doi:10.1039/c9sc00711c
(2019)Doi:10.1021/jo202269p
(2012)
