Citation: Farhad Shirini, Mohaddeseh Safarpoor Langroodi, Masoumeh Abedini. Efficient synthesis of bis (indolyl) methanes catalyzed by (PhCH2PPh3)+Br3- under solvent-free conditions[J]. Chinese Chemical Letters, ;2010, 21(11): 1342-1345. doi: 10.1016/j.cclet.2010.05.028
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Benzyltripbenylphosphonium tribromide (BTPTB) has been applied as an efficient catalyst for the preparation of bis (indolyl) methanes (BIMs) via electrophilic substitution of indoles with aldehydes in the absence of solvent.
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