Pyrimidine. III. Study of the Bromination of 5-Acetyl-4-methyl-2-phenylpyrimidine 1
✍ Scribed by Clarke, Ray A.; Graham, Bruce; Christensen, Bert E.
- Book ID
- 127369169
- Publisher
- American Chemical Society
- Year
- 1948
- Tongue
- English
- Weight
- 400 KB
- Volume
- 70
- Category
- Article
- ISSN
- 0002-7863
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## Abstract The cyclocondensation of 6‐acetyl‐4,7‐dihydro‐5‐methyl‐7‐phenyl[1,2,4]triazolo[1,5‐__a__]pyrimidine (3) with hydroxylamine or hydrazine leads to 3a,4,9,9a‐tetrahydro‐3,9a‐dimethyl‐4‐phenylisoxazolo‐[5,4‐__d__][1,2,4]triazolo[1,5‐__a__]pyrimidine (4a) and 3a,4,9,9a‐tetrahydro‐3,9a‐dimeth
In the title compound, C 16 H 13 Cl 3 N 6 O 3 S, the substituted triazole ring is bound via a methylene bridge to a chlorothiazole unit. There is evidence for significant electron delocalization in the triazolyl system. Both intra-and intermolecular hydrogen bonds are found in the structure.