Process for preparing dibenzylamino fluoran compounds

Details Process for preparing dibenzylamino fluoran compounds Process for preparing dibenzylamino fluoran compounds

1974-03-11

1976-12-21

Gallagher, R. J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D49310

Patent

active

039988465

ABSTRACT:
New fluoran compounds containing a dibenzylamino group or a nuclear substituted derivative thereof are provided by a novel method involving the reaction of an aminofluoran and a benzyl chloride in the presence of alkali in an inert non-polar organic solvent. The dibenzylamino fluorans are incorporated as a remarkably effective color former in pressure sensitive copying paper.

REFERENCES:
patent: 3627787 (1971-12-01), Lin
patent: 3681390 (1972-08-01), Lin
Billman et al., J. Am Chem. Soc., 65, 2455 (1943).
Billman et al., J. Am Chem. Soc., 66, 538-539 (1944).

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