Processes for preparing pesticidal intermediates
US6673956B2 · kind B2 · utility
0Cited by
2References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 12, 2002 |
| Grant date | Jan 6, 2004 |
| Priority date | — |
| Expiry date | Apr 12, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C255/66
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to processes for the preparation of a compound of the formula wherein W is nitrogen or —CR3; R1 is halogen, haloalkyl, haloalkoxy, R4S(O)n— or —SF5; R2 is hydrogen; R3 is halogen; R4 is alkyl or haloalkyl; and n is 0, 1 or 2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.