Patent ID: 7829592
Filing Date: 2010-11-09
Classification: A61P,C07C

Abstract:
1. A compound chosen from: (1R)-1-methyl-2-phenylcarbonyloxyethyl(2S)-2-amino-3-[3,4-bis(ethoxycarbonyloxy)phenyl]propanoate hydrochloride; (1R,2R)-2-acetoxy-1-methylpropyl(2S)-2-amino-3-[3,4-bis(ethoxycarbonyloxy)phenyl]propanoate hydrochloride; (1R,2R)-1-methyl-2-(2-methylpropanoyloxy)propyl(2S)-2-amino-3-[3,4-bis(ethoxycarbonyloxy)phenyl]propanoate hydrochloride; (1R,2R)-2-isopropoxycarbonyloxy-1-methylpropyl(2S)-2-amino-3-[3,4-bis(ethoxycarbonyloxy)phenyl]propanoate hydrochloride; (2R)-2-acetyloxypropyl(2S)-2-amino-3-[3,4-bis(ethoxycarbonyloxy)phenyl]propanoate hydrochloride; (1R)-2-acetyloxy-1-methylethyl(2S)-2-amino-3-[3,4-bis(ethoxycarbonyloxy)phenyl]propanoate hydrochloride; (1R)-2-acetyloxy-1-methylethyl(2S)-2-amino-3-[3,4-bis(ethoxycarbonyloxy)phenyl]propanoate hydrogen fumarate; and (1R)-1-methyl-2-(2-methylpropanoyloxy)ethyl(2S)-2-amino-3-[3,4-bis(ethoxycarbonyloxy)phenyl]propanoate hydrochloride.