Chromogenic 4,4-diaryl-dihydroquinazolones, their preparation an

Details Chromogenic 4,4-diaryl-dihydroquinazolones, their preparation an Chromogenic 4,4-diaryl-dihydroquinazolones, their preparation an

1985-05-17

1987-09-22

Hollrah, Glennon H.

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

Organic compounds

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

544 73, 544 74, 544 95, 544101, 544212, 544245, 544247, 544250, 544253, 544284, C07D23982

Patent

active

046956336

ABSTRACT:
Chromogenic 4,4-diaryl-dihydroquinazolones of the formula ##STR1## wherein X.sup.1, X.sup.2 and X.sup.3 independently of one another represent hydrogen, halogen, alkyl, aryl, alkanoylamino, aroylamino, NY.sup.1 Y.sup.2, OY.sup.3 or SY.sup.3,
and wherein

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