Aromatic azomethines

Details Aromatic azomethines Aromatic azomethines

1976-09-09

1977-10-04

Schwartz, Gerald A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260519, 260566R, 260566F, 560 35, C07C11900

Patent

active

040524337

ABSTRACT:
Novel azomethines 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, scintillators, sensibilizers for electrophotographic coatings.

REFERENCES:
patent: 3864390 (1975-02-01), Le Count et al.
Mathur et al., J. Chem. Soc. (London), 1960, pp. 1954-1955.

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