Vibrational spectra and structure of 4-amino-1H-quinazolin-2-one 3-oxide
✍ Scribed by N. V. Abbakumova; A. F. Vasil'ev; E. B. Nazarova
- Book ID
- 112348796
- Publisher
- Springer US
- Year
- 1981
- Tongue
- English
- Weight
- 410 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0009-3122
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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
## Abstract A series of 2‐[mercapto(cyano)methylene]‐1,2,3,4‐tetrahydroquinazolin‐4‐ones and 2‐amino‐4‐methylpyrazolo[1,5‐a]quinazolin‐5(4__H__)‐one were prepared from 2‐cyanomethylquinazolin‐4(3__H__)‐ones __via__ α‐bromo derivatives 4 and amide oxime 8, respectively. The new compounds have been c