Patents by Inventor Christine P. Bellon

Christine P. Bellon has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

Synthesis and purification of [R-(R*,R*)]-5-[2-[5-(3-chloro-phenyl)-2-oxo-3-oxazolidinyl]-propyl]-1,-3 -benzodiozole-2,2-dicarboxylic acid dimethyl ester

Patent number: 5461163

Abstract: The invention relates to a process improvement for making [R-(R*,R*)]-5-[2-[5-(3-chlorophenyl)-2-oxo-3-oxazolidinyl]propyl]-1,3-benz odioxole-2,2-dicarboxylic acid dimethyl ester an intermediate used in the synthesis of beta-3 agonist, [R-(R*,R*)]-5-[2-[5-(3-chlorophenyl)-2-hydroxyethyl]amino]propyl]-1,3-benz odioxole-2,2-dicarboxylic acid disodium salt.

Type: Grant

Filed: June 6, 1994

Date of Patent: October 24, 1995

Assignee: American Cyanamid Company

Inventors: Christine P. Bellon, David M. Blum, William T. Cain

Synthesis and purification of [R-(R*,R*)]-5-[2-[5-(3-chloro-phenyl)-2-oxo-3-oxazolidinyl]-propyl]-1,-3 -benzodiozole-2,2-dicarboxylic acid dimethyl ester

Synthesis and purification of [R-(R,R)]-5-[2-[5-(3-chloro-phenyl)-2-oxo-3-oxazolidinyl]-propyl]-1,-3 -benzodiozole-2,2-dicarboxylic acid dimethyl ester