Citation:
XING Ye, XIE Zheng-Feng, LIU Fang-Ming. Synthesis of Bis(indolyl)methane Catalyzed by Phosphotungstic acid[J]. Chinese Journal of Applied Chemistry,
;2009, 26(3): 352-354.
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Bis(indolyl)methanes can be prepared rapidly in good yields(69%~95%) from indole and aldehyde or ketone in the presence of phosphotungstic acid as a catalyst.Their structures were confirmed by IR,1H NMR,13C NMR,MS and elemental analysis.
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