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ChemInform Abstract: Reaction with Hydrazonoyl Halides. Part 23. Synthesis and Reactions of C-Coumarinoyl-N-arylformohydrazonoyl Bromides.

✍ Scribed by Abdou O. Abdelhamid; Gaber S. Mohamed

Publisher: John Wiley and Sons
Year: 2010
Weight: 30 KB
Volume: 30
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.199943131

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## Abstract C‐acyl‐N‐(3‐phenyl‐5‐pyrazolyl)hydrazonoyl chlorides **1a,b** react with potassium thiocyanate and potassium selenocyanate to give 5‐acyl‐2,3‐dihydro‐2‐imino‐3‐(3′‐phenyl)pyrazol‐5′‐yl)‐1,3,4‐thiadiazoles **2a,b** and 5‐acetyl‐2,3‐dihydro;‐2‐imino‐3‐(3′‐phenyl)pyrazol‐5′‐yl)‐1,3,4‐selen