Sulfonation method for zonisamide intermediate in zonisamide...

Details Sulfonation method for zonisamide intermediate in zonisamide... Sulfonation method for zonisamide intermediate in zonisamide...

2006-03-21

2006-03-21

Solola, Taofiq (Department: 1626)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

07015330

ABSTRACT:
The present invention relates to a novel sulfonation of an intermediate of zonisamide. The sulfonation processes using chlorosulfonic acid as well as acetic anhydride and sulfuric acid in an organic solvent are disclosed. Crystalline forms of benzisoxazole methane sulfonic acid (BOS—H) and its salts (BOS—Na, BOS—Ca, and BOS—Ba) and their novel preparation processes are disclosed.

REFERENCES:
patent: 4172896 (1979-10-01), Uno et al.
patent: 2002/0183525 (2002-12-01), Mendelovici et al.
patent: 2 428 033 (1980-01-01), None

Affiliated with

Also associated with

Rating

Sulfonation method for zonisamide intermediate in zonisamide... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Sulfonation method for zonisamide intermediate in zonisamide..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Sulfonation method for zonisamide intermediate in zonisamide... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3545581