Claims
- 1. A process for the preparation of a compound of the formula wherein R is as defined for the formula (II); m is 0 or 1; and X is halogen; which comprises reacting a compound of the formula in free form or salt form, whereinR is unsubstituted or substituted C1-C12alkyl, unsubstituted or substituted C2-C4alkenyl, unsubstituted or substituted C2-C4alkynyl, unsubstituted or substituted C3-C6-cycloalkyl, unsubstituted or substituted aryl, unsubstituted or substituted heterocyclyl being a five- to seven-membered monocyclic saturated or unsaturated moiety, that contains from one to three hetero atoms selected from the group consisting of N, O and S, or a bicyclic moiety that may contain either in one ring or in both rings one or more hetero atoms selected from the group consisting of N, O and S, or —SR6; R6 is unsubstituted or substituted C1-C12alkyl, unsubstituted or substituted C2-C4alkenyl, unsubstituted or substituted C2-C4alkynyl, unsubstituted or substituted C3-C6cycloalkyl, unsubstituted or substituted aryl or unsubstituted or substituted heterocyclyl being a five- to seven-membered monocyclic saturated or unsaturated moiety, that contains from one to three hetero atoms selected from the group consisting of N, O and S, or a bicyclic moiety that may contain either in one ring or in both rings one or more hetero atoms selected from the group consisting of N, O and S; and X1 is a leaving group; with a halogenating agent.
Priority Claims (1)
Number |
Date |
Country |
Kind |
3124/96 |
Dec 1996 |
CH |
|
Parent Case Info
This appln is a Div of Ser. No. 09/628,392 filed Aug. 1, 2000 now U.S. Pat. No. 6,369,233 which is a Div of Ser. No. 09/331,432 filed Aug. 13, 1999 now U.S. Pat. No. 6,121,455.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
5245040 |
Maienfisch et al. |
Sep 1993 |
A |
Foreign Referenced Citations (1)
Number |
Date |
Country |
9723469 |
Mar 1997 |
WO |