41523-36-8Relevant articles and documents
2,3-Disubstituted-1-indanones
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, (2008/06/13)
Compounds of the general formula: SPC1 Wherein m = 0 or 1; Ar is an arylene or lower alkyl substituted arylene radical; R1 and R2, which may be the same or different, are lower alkyl or hydroxyalkyl groups, or EQU1 R3 is H, lower alkyl, benzyl, R4, or EQU2 R4 is SPC2 Alkyl group, an aryl group, EQU3 wherein n=2-6; and R6 is a lower alkyl group or an aryl group. Where m = 1, the formula represents a colorless leuco compound; where m = 0, the formula represents the yellow dye derivative of the leuco. These compounds are particularly useful in photosensitive compositions.