Heterocyclic azomethines

Details Heterocyclic azomethines Heterocyclic azomethines

1977-07-22

1978-10-24

Curtis, Allen B.

Harness for working animal

26034622, 260307D, C07D26328, C07D40700, C09B 5500

Patent

active

041222563

ABSTRACT:
Novel azmoethines are obtained when reacting a tertiary amine with an aromatic aldehyde or ketone having in orthoposition an activated methoxy group. These azomethines are capable of ring closure to yield a benzofurane and said tertiary amine. The benzofuranes are optical brighteners tranquilizers or intermediates for optical brighteners, fluorescent dyestuffs, scintiallators, sensibilizers for electrophotographic coatings.

REFERENCES:
patent: 3864390 (1975-02-01), Le Count et al.

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