Intermediates for preparing pyrazole derivatives
US6090927A · kind A · utility
1Cited by
5References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 16, 1999 |
| Grant date | Jul 18, 2000 |
| Priority date | — |
| Expiry date | Feb 16, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D231/44
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to novel intermediates in a process for preparing compounds having the formula: ##STR1## wherein R.sub.3, R.sub.4, R.sub.6 and Ar are as defined in the description, by reaction of a compound of formula (I) with a compound of formula (II) according to the following reaction scheme: ##STR2## The compounds of formula (IV) are useful as pesticides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.