5-Aza-7-thiadibenzocrysene derivatives

Details 5-Aza-7-thiadibenzocrysene derivatives 5-Aza-7-thiadibenzocrysene derivatives

1975-01-10

1977-02-01

Coughlan, Jr., Paul M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 4221, 260278, C09B 502

Patent

active

040061469

ABSTRACT:
A new class of heterocyclic compounds containing N and S in the basic skeleton and which are 5-aza-7-thiadibenzocrysene derivatives useful as dyes or as intermediates in the synthesis of dyes and pigments are disclosed, as well as a method of obtaining the same by reaction of o-aminothiophenol 2-hydroxy-1-azabenzanthrone or its derivatives.

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