Fluorescent product in the determination of aromatic aldehydes with 4,5-dimethoxy-1,2-diaminobenzene.
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The fluorescent product formed from benzaldehyde or p-hydroxybenzaldehyde with 4, 5-dimethoxy-1, 2-diaminobenzene has been characterized by structural analysis as the corresponding 2-aryl-5, 6-dimethoxybenzimidazole. The product fluoresces most intensely in alkaline solution.
- Chemical and Pharmaceutical Bulletin
Chemical and Pharmaceutical Bulletin 31(8), 2910-2912, 1983
The Pharmaceutical Society of Japan