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Stereospecific synthesis of 6,7-dihydro-5H-1,2,4-triazolo[3,4-b][1,3,4]thiadiazines

✍ Scribed by Yehia A. Ibrahim; Ahmed H. M. Elwahy; Ayman E. M. El-Fiky

Publisher: John Wiley and Sons
Year: 1994
Tongue: English
Weight: 319 KB
Volume: 5
Category: Article
ISSN: 1042-7163
DOI: 10.1002/hc.520050402

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✦ Synopsis

The reaction of 3-mercapto-4-aryIideneamino-l,2,4triazoles 2b-d, 3a-d with ethyl bromoacetate and/or phenacyl bromide in hot DMF and triethylamine affords the stereochemically pure 7-acyl-6-aryl-6,7dihydro-5H-lt2, 4-triazolo[3,4-b][l, 3,4]thiadiazines

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## Abstract For Abstract see ChemInform Abstract in Full Text.