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:
Dec. 04, 2012
Filed:
Jan. 10, 2008
Fuli Zhang, Shanghai, CN;
Meng HU, Shanghai, CN;
Meihua Xie, Shanghai, CN;
Anping Lai, Taizhou, CN;
Rentong Sun, Taizhou, CN;
Daoxin Chen, Taizhou, CN;
Rusheng Bao, Taizhou, CN;
Hua Bai, Taizhou, CN;
Fuli Zhang, Shanghai, CN;
Meng Hu, Shanghai, CN;
Meihua Xie, Shanghai, CN;
Anping Lai, Taizhou, CN;
Rentong Sun, Taizhou, CN;
Daoxin Chen, Taizhou, CN;
Rusheng Bao, Taizhou, CN;
Hua Bai, Taizhou, CN;
Abstract
The present invention provides N-methylethylcarbamino-3-[(S)-1-(methyl-[(S)-1-phenylethyl]amino)ethyl]phenyl ester represented by formula (II) and its preparation method. The present invention also provides (S)-1-(3-methoxyphenyl)-N-methyl-N—[(S)-1-phenylethyl]ethylamine and 3-[(S)-1-(methyl-[(S)-1-phenylethyl]amino)ethyl]phenol as intermediates of the compound represented by formula (II), and the use of the compound represented by formula (II) for preparing rivastigmine used for treating Alzheimer disease.