2-alkoxy-5-chloro-benzenesulfonates useful for the preparation o

Details 2-alkoxy-5-chloro-benzenesulfonates useful for the preparation o 2-alkoxy-5-chloro-benzenesulfonates useful for the preparation o

1987-08-26

1989-01-17

Chan, Nicky

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C14340

Patent

active

047986883

ABSTRACT:
In accordance with a novel process, 2-alkoxybenzosulfonamides of formula I ##STR1## wherein R is chloromethyl, methoxymethyl, C.sub.1 -C.sub.4 alkyl or trifluoromethyl, are prepared by reacting a 4-alkoxychlorobenzene of formula II ##STR2## with chlorosulfonic acid ClSO.sub.3 H, converting the resultant sulfonyl chloride of formula III ##STR3## by reaction with ammonia into the sulfonamide of formula IV ##STR4## and hydrogenating said sulfonamide with hydrogen, in the presence of a precious metal catalyst.

REFERENCES:
patent: 4510325 (1985-04-01), Meyer et al.
patent: 4556733 (1985-12-01), Sullivan et al.

Affiliated with

Also associated with

Rating

2-alkoxy-5-chloro-benzenesulfonates useful for the preparation o does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with 2-alkoxy-5-chloro-benzenesulfonates useful for the preparation o, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and 2-alkoxy-5-chloro-benzenesulfonates useful for the preparation o will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2412994