The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 30, 2010
Filed:
Jul. 11, 2007
Senthilkumar Udayampalayam Palanisamy, Chennai, IN;
Andrew Gnanaprakasam, Chennai, IN;
Panchapakesan Ganapathy, Chennai, IN;
Mukut Gohain, Chennai, IN;
Venkatasubramanian Hariharan, Chennai, IN;
Sriram Rajagopal, Chennai, IN;
Maneesh Paul-satyaseela, Chennai, IN;
Shakti Singh Solanki, Chennai, IN;
Sathishkumar Devarajan, Chennai, IN;
Senthilkumar Udayampalayam Palanisamy, Chennai, IN;
Andrew Gnanaprakasam, Chennai, IN;
Panchapakesan Ganapathy, Chennai, IN;
Mukut Gohain, Chennai, IN;
Venkatasubramanian Hariharan, Chennai, IN;
Sriram Rajagopal, Chennai, IN;
Maneesh Paul-Satyaseela, Chennai, IN;
Shakti Singh Solanki, Chennai, IN;
Sathishkumar Devarajan, Chennai, IN;
Orchid Chemicals & Pharmaceuticals Ltd., Chennai, IN;
Abstract
Novel 2-substituted methyl penam derivatives include the formula (I), their analogs, their tautomeric forms, their stereoisomers, their polymorphs, their solvates, their pharmaceutically acceptable salts, and pharmaceutical compositions containing them; wherein A=C or N; Het is a three- to seven-membered heterocyclic ring; Rrepresents carboxylate anion, or —COORwhere Rrepresents hydrogen, carboxylic acid protecting group or a pharmaceutically acceptable salt; Rand Rmay be same or different and independently represent hydrogen, halogen, amino, alkyl, protected amino, optionally substituted alkyl, alkenyl, alkynyl and the like; R represents substituted or unsubstituted alkyl, alkenyl, aryl, aralkyl, cycloalkyl, heterocyclyl or heterocyclylalkyl.