Chromogenic 4,4-diaryl-2-oxobenzo-3,1-oxazines

Details Chromogenic 4,4-diaryl-2-oxobenzo-3,1-oxazines Chromogenic 4,4-diaryl-2-oxobenzo-3,1-oxazines

1985-10-21

1988-02-23

Raymond, Richard L.

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

Organic compounds

Chalcogen in the nitrogen containing substituent

544 73, 544 74, 544 89, 544 95, 560 27, C07D26518

Patent

active

047271400

ABSTRACT:
4,4-Diaryl-2-oxobenzo-3,1-oxazines of the general formula ##STR1## wherein X.sup.1, X.sup.2 and X.sup.3, independently of one another, denote hydrogen, halogen, alkyl, aryl, alkanoylamino, aroylamino, heteryl, NY.sup.1 Y.sup.2, OY.sup.3 or SY.sup.3,

REFERENCES:
patent: 4074050 (1978-02-01), Ozutsumi et al.
patent: 4518597 (1985-05-01), Narr et al.
Petyunin et al, Chemical Abstracts, vol. 72 (1969) 31578k.
Misra et al, Chemical Abstracts, vol. 91(1979), 140,481m.
Misra et al, Chemical Abstracts, vol. 94(1980), 208,783f.
Misra et al, Chemical Abstracts, vol. 10 (1983), 55014s.

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