Process for preparing fluoran derivatives

Details Process for preparing fluoran derivatives Process for preparing fluoran derivatives

1982-04-05

1984-02-21

Milestone, Norma S.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548456, 548442, 548525, 548407, 549 60, C07D49310

Patent

active

044331568

ABSTRACT:
A process for preparing 3,6-bis-diarylaminofluoran derivatives which comprises reacting a 3,6-bis-arylaminofluoran derivative with an arylating agent.

REFERENCES:
patent: 4188343 (1980-02-01), Sakoda et al.
patent: 4264506 (1981-04-01), Bonor et al.
R. G. R. Bacon et al., Quarterly Reviews, vol. 19 (1965) pp. 95-97, 122-123.

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