Chromogenic 4,4-diaryldihydroquinazolones

Details Chromogenic 4,4-diaryldihydroquinazolones Chromogenic 4,4-diaryldihydroquinazolones

1985-10-21

1988-06-28

Hollrah, Glennon H.

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

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

427146, 544 73, 544 74, 544 80, 544 95, 544101, 544182, 544214, 544219, 544244, 544247, 544250, 544251, 544284, C07D23980

Patent

active

047540346

ABSTRACT:
4,4-diaryldihydroquinazolones of the 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, at least one of the radicals X.sup.1, X.sup.2 or X.sup.3 standing for NY.sup.1 Y.sup.2, OY.sup.3 or SY.sup.3,

REFERENCES:
patent: 4073614 (1978-02-01), Ozutsumi et al.
patent: 4074050 (1978-02-01), Ozutsumi et al.
patent: 4146717 (1979-05-01), Yamamoto et al.

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