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142399-45-9

Benzothiazole, 2-[[phenyl(phenylazo)methylene]hydrazino]-, (Z,E)- (9CI) synthesis

2synthesis methods
-

Yield:142399-45-9 45%

Reaction Conditions:

Stage #1: benzaldehyde;1,3-benzothiazol-2-ylhydrazinewith acetic acid in methanol at 20; for 1 h;
Stage #2: with sodium acetate;sodium hydroxide at 20;
Stage #3: benzene diazonium chloride in water at 0; for 4 h;

References:

Boyle, Paul D.;Buguis, Francis L.;Gilroy, Joe B. [Dyes and Pigments,2022,vol. 198,art. no. 110002]