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3-Methyl[1,3,4]thiadiazino[2,3-b]quinazolin-6-ones

✍ Scribed by Hari K. Gakhar; Sushma Kiran; Sashi Bhushan Gupta

Publisher: Springer Vienna
Year: 1982
Tongue: English
Weight: 301 KB
Volume: 113
Category: Article
ISSN: 0026-9247
DOI: 10.1007/bf00808629

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## Abstract The reaction of 3‐__N__‐(2‐mercapto‐4‐oxo‐4__H__‐quinazolin‐3‐yl)acetamide (**1**) with hydrazine hydrate yielded 3‐amino‐2‐methyl‐3__H__‐[1,2,4]triazolo[5,1‐__b__]quinazolin‐9‐one (**2**). The reaction of **2** with __o__‐chlorobenzaldehyde and 2‐hydroxy‐naphthaldehyde gave the corresp