US2008081914A1PendingUtilityA1
Process for the preparation of benzo [d] isoxazol-3-yl-methanesulfonic acid and the intermediates thereof
Est. expiryJan 10, 2023(expired)· nominal 20-yr term from priority
Inventors:Gabriele RazzettiSimone MantegazzaGraziano CastaldiPietro AllegriniVittorio LucchiniAlberto Bologna
C07D 261/20C07D 327/06
59
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Claims
Abstract
A process for the preparation of benzo[d]isoxazol-3-yl-methanesulfonic acid of formula (I), or a salt thereof, and the intermediates thereof, useful as an intermediate in the preparation of zonisamide.
Claims
exact text as granted — not AI-modified1 . A benzo[d]isoxazol-3-yl-methanesulfonic acid salt, which is the lithium salt or the salt with an organic base.
2 . The salt as claimed in claim 1 , wherein the organic base is a secondary or tertiary amine.Join the waitlist — get patent alerts
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