Unusual Reaction of α-Diketones of the Indole Series with Hydrazine.
✍ Scribed by A. V. Kolotaev; L. I. Belen'kii; A. S. Kononikhin; M. M. Krayushkin
- Publisher
- John Wiley and Sons
- Year
- 2007
- Weight
- 32 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0931-7597
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📜 SIMILAR VOLUMES
Phenylmalonic acid dihydrazide reacted with 2,4-pentanedione to give, unexpectedly, 5,7-dimethyl-1,3dioxo-2-phenyl-2,3-dihydro-1H-pyrazolo[1,2-a]pyrazole-4-ylium 5. The structure of the product is confirmed by X-ray crystallography .
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pyrazole derivatives pyrazole