Process for preparing triarylmethane derivatives

Details Process for preparing triarylmethane derivatives Process for preparing triarylmethane derivatives

1977-03-04

1984-03-27

Rizzo, Nicholas S.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548484, 548485, 548483, 549308, 549309, 549310, C07D20904, C07D30777

Patent

active

044396104

ABSTRACT:
A process is described for preparing triarylmethane derivatives of a high purity in an extremely high yield from 3-phenylphthalide derivatives and aniline derivatives or indole derivatives with Friedel-Crafts type catalyst or Friedel-Crafts type catalyst and an oxidizing agent.

REFERENCES:
patent: 2742483 (1953-04-01), Crounse
patent: 3128284 (1964-04-01), Edwards et al.
patent: 3185709 (1966-05-01), Munrro et al.
patent: 3491112 (1970-01-01), Lin
patent: 3829322 (1974-08-01), Ozutumi
patent: 4032527 (1977-06-01), Crounse et al.
patent: 4096176 (1978-01-01), Crounse et al.

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