Method for preparing 4-alkylsulfonyl-2-chloro-m-xylene
US5189224A · kind A · utility
2Cited by
1References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 9, 1991 |
| Grant date | Feb 23, 1993 |
| Priority date | — |
| Expiry date | Oct 9, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C315/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention provides a method for preparing a 4-alkylsulfonyl-2-chloro-m-xylene useful as an intermediate for agricultural chemicals, and an intermediate for the production thereof. The method of the present invention is to produce (E) from (C) by way of novel intermediates (D-1) and (D-2). ##STR1##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.