Process for producing n-alkylpyrazoles
US5391760A · kind A · utility
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18Claims
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Key dates
| Filing date | Sep 14, 1993 |
| Grant date | Feb 21, 1995 |
| Priority date | — |
| Expiry date | Sep 14, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D249/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Disclosed herein is a process for producing N-alkylpyrazoles represented by the formula (1), which comprises reacting an alkali metal or an alkali metal-containing base with N- unsubstituted pyrazoles represented by the formula (2), to form an alkali metal salt thereof and, subsequently, reacting the obtained alkali metal salt with an alkylating agent. ##STR1##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.