Process for the preparation of indazoles
US4864032A · kind A · utility
3Cited by
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3Claims
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Key dates
| Filing date | Jul 2, 1987 |
| Grant date | Sep 5, 1989 |
| Priority date | — |
| Expiry date | Jul 2, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C319/20
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the preparation of aryl hydrazines and indazoles by reacting organometallic regents with azodicarboxylates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.