Make Better Decisions

  • Identify first generic entrants
  • Uncover prior art in expired and abandoned patents
  • Drug patents in 130+ countries
➤ Start Trial

or, See Plans & Pricing

Upgrade to enjoy subscriber-only features like email alerts and data export. See the Plans and Pricing

Serving leading biopharmaceutical companies globally:

Federal Trade Commission
Daiichi Sankyo
Harvard Business School
Fish and Richardson
US Department of Justice

Generated: January 21, 2018

DrugPatentWatch Database Preview

Claims for Patent: 3,927,002

« Back to Dashboard

Summary for Patent: 3,927,002
Title: N-(pyridyl)-N'-alkyl-N'-(2-alkoxycarbonylbenzenesulfonyl)-glycineamides and derivatives
Abstract:A process for the synthesis of N-aryl-3,4-dihydro-2-alkyl-4-oxo-2H-1,2-benzothiazine-3-carboxamide 1,1-dioxides by treatment of N-aryl-N'-alkyl-N'-(2'-alkoxycarbonylbenzenesulfonyl)glycineamides, useful intermediates for said process, with an alkali or alkaline earth metal hydride in a reaction-inert solvent at C., said products being antiinflammatory agents.
Inventor(s): Lombardino; Joseph G. (Niantic, CT)
Assignee: Pfizer Inc. (New York, NY)
Application Number:05/462,212
Patent Claims: 1. A compound of the formula ##SPC9##

wherein R.sub.1 is selected from the group consisting of 2-pyridyl and 6-methyl-2-pyridyl;

R.sub.2 is alkyl having from 1 to 3 carbon atoms;

X is selected from the group consisting of hydrogen, methyl, methoxy, fluoro, chloro and bromo and

R.sub.3 is alkyl having from 1 to 3 carbon atoms.

2. A compound of claim 1 wherein X is hydrogen and R.sub.2 and R.sub.3 are each methyl.

3. The compound of claim 2 wherein R.sub.1 is 2-pyridyl.

4. The compound of claim 2 wherein R.sub.1 is 6-methyl-2-pyridyl.

For more information try a trial or see the plans and pricing

Serving leading biopharmaceutical companies globally:

Daiichi Sankyo
Cantor Fitzgerald
Argus Health
Express Scripts

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verifification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.