US 7,572,834 B1
Rasagiline formulations and processes for their preparation
Jeffrey Sterling, Jerusalem (Israel); David Lerner, Jerusalem (Israel); Harel Rosen, Ra'anana (Israel); Leonid Bronov, Netanya (Israel); Dalia Medini-Green, Pardes Hanna (Israel); Berta Iosefzon, Jerusalem (Israel); Tirtsah Berger-Peskin, Ra'anana (Israel); Ramy Lidor-Hadas, Kfar Saba (Israel); and Eliezer Bahar, Tel Aviv (Israel)
Assigned to Teva Pharmaceutical Industries, Ltd., Petach-Tikva (Israel)
Filed on Dec. 05, 2006, as Appl. No. 11/634,916.
Claims priority of provisional application 60/742823, filed on Dec. 06, 2005.
Int. Cl. A61K 31/135 (2006.01); C07C 211/42 (2006.01)
U.S. Cl. 514—647  [564/308] 12 Claims
 
1. A pharmaceutical composition comprising N-propargyl-1(R)-aminoindan mesylate; a pharmaceutically acceptable carrier; and greater than 0.7 ppm but less than 30 ppm in total of a compound having the structure:

OG Complex Work Unit Drawing
and any salts of the compound,
wherein the compound is formed by chlorination of N-propargyl-1(R)-aminoindan in N-propargyl-1(R)-aminoindan mesylate.