Preparation of triphendioxazines

Details Preparation of triphendioxazines Preparation of triphendioxazines

1988-10-14

1990-05-08

Raymond, Richard L.

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

Organic compounds

Chalcogen in the nitrogen containing substituent

544 75, 544 76, 544 77, C07D49804

Patent

active

049239880

ABSTRACT:
Triphendioxazines are prepared by cyclizing benzoquinone derivatives in oleum in the presence of an organic iodine compound.

REFERENCES:
patent: 4532323 (1985-07-01), Jager

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