Claims
- 1. A liquid phase process for preparing 2,3-dichloro-5-trichloromethylpyridine, said process consisting essentially of contacting with chlorine the hydrochloride salt of a 2,3-disubstituted-5-methylpyridine of formula ##STR31## wherein X and Y are halogen atoms selected from bromine and chlorine, in a dry inert organic liquid medium under the influence of UV light.
Priority Claims (3)
Number |
Date |
Country |
Kind |
34039/77 |
Aug 1977 |
GBX |
|
44541/77 |
Oct 1977 |
GBX |
|
5230/78 |
Feb 1978 |
GBX |
|
Parent Case Info
This is a continuation of application Ser. No. 29,341, pending, filed as PCT GB78/00008, Aug. 10, 1978, published as WO79/00094, Mar. 8, 1979, .sctn.102(e) date filed Apr. 11, 1979.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
3244722 |
Johnston |
Apr 1966 |
|
3974166 |
Mutterer |
Aug 1976 |
|
Continuations (1)
|
Number |
Date |
Country |
Parent |
29341 |
Apr 1979 |
|