63402-30-2Relevant academic research and scientific papers
Acyl hydrazino thiourea derivatives as photographic nucleating agents
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, (2008/06/13)
Photographic nucleating agents are disclosed of the formula STR1 wherein R is a hydrogen, phenyl, alkylphenyl, cyanophenyl, halophenyl, alkoxyphenyl, alkyl, cycloalkyl, haloalkyl, alkoxyalkyl or phenylalkyl substituent; R1 is a phenylene or alkyl, halo- or alkoxy substituted phenylene group; R2 is an alkyl, haloalkyl, alkoxyalkyl or phenylalkyl substituent having up to 18 carbon atoms; a cycloalkyl substituent; phenyl or naphthyl; an alkylphenyl, cyanophenyl, halophenyl or alkoxyphenyl substituent or STR2 R3 is hydrogen, benzyl, alkoxybenzyl, halobenzyl or alkylbenzyl; THE ALKYL MOIETIES, EXCEPT AS OTHERWISE NOTED, IN EACH INSTANCE INCLUDE FROM 1 TO 6 CARBON ATOMS; AND The cycloalkyl moieties have from 3 to 10 carbon atoms.
