Preparation of leuco dyes

Details Preparation of leuco dyes Preparation of leuco dyes

1987-10-07

1988-10-04

Raymond, Richard L.

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

Organic compounds

Chalcogen in the nitrogen containing substituent

544 37, 544 39, 544 69, 544102, 544229, 544347, 544348, 564247, C07D24148, C07D26538, C07D27928

Patent

active

047757540

ABSTRACT:
Oxazine, thiazine and diazine leuco dyes are synthesized through a reaction using a dicyclohexylcarbodiimide adduct. The adducts are themselves novel compounds.

REFERENCES:
patent: 3447944 (1969-06-01), Werner
patent: 3873340 (1975-03-01), Miyazawa et al.

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