63402-27-7Relevant academic research and scientific papers
Reduction of Ag(I) by 1-acyl-2-arylhydrazines: Mechanism of photographic infectious development
Bowman, W. Russell,Forshaw, J. Anthony,Hall, Kevin P.,Kitchin, Jonathan P.,Mott, Andrew W.
, p. 3961 - 3972 (1996)
The photographic process of 'infectious development' in which 1-acyl-2-arylhydrazines reduce Ag(I) has been studied using analogues. 1-Acyl-2-aryldiazenes, resulting from oxidation of 1-acyl-2-arylhydrazines, are hydrolysed to anions of aryldiazenes (ArN = NH), which undergo further oxidation with loss of nitrogen to yield aryl radicals. The aryl radicals cause 'feedback inhibition' which is prevented by the addition of benzhydrol.
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.
