Reactions of 4,5-diamino-3-methyl-1-phenylpyrazole with aromatic haloketones
✍ Scribed by V. D. Orlov; M. Tuéni; N. N. Kolos; N. V. Getmanskii; Kh. Kiroga
- Publisher
- Springer US
- Year
- 1988
- Tongue
- English
- Weight
- 346 KB
- Volume
- 24
- Category
- Article
- ISSN
- 0009-3122
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Reaction of 5-Azacytosine with 3-Methyl-1-phenylpyrazol-5-one. -The first example of the reaction of 5-azacytosine (I) with an uncharged C-nucleophile is presented. The title reaction proceeds with destruction of the 5-azacytosine cycle to afford the dipyrazolylmethane (III). This compound is also
## Abstract New 4‐Aryl‐6‐methyl‐8‐phenyl‐2,3‐dihydropyrazolo[3,4‐__b__]diazepines and 4‐aryl‐8‐methyl‐6‐phenyl‐2,3‐dihydropyrazolo[4,3‐__b__]diazepines were obtained from the reaction of 4,5‐diamino‐3‐methyl‐1‐phenylpyrazole 1 with one equivalent of the 3‐dimethylaminopropiophenones 2 in absolute e