Patent ID: 8049019
Filing Date: 2011-11-01
Classification: A61P,C07D

Abstract:
1. A compound selected from: (7R,8S)-8-((3S)-3-(((benzyloxy)carbonyl)amino)-2-oxo-1-pyrrolidinyl)-1,4-dioxaspiro[4.5]decane-7-carboxylic acid, or a salt thereof; benzyl ((3S)-1-(7R,8S)-7-(azidocarbonyl)-1,4-dioxaspiro[4.5]dec-8-yl)-2-oxo-3-pyrrolidinyl)carbamate, or a salt thereof; benzyl ((3S)-1-(7R,8S)-7-isocyanato-1,4-dioxaspiro[4.5]dec-8-yl)-2-oxo-3-pyrrolidinyl)carbamate, or a salt thereof; benzyl ((3S)-1-((7R,8S)-7-acetamido-1,4-dioxaspiro[4.5]dec-8-yl)-2-oxo-3-pyrrolidinyl)carbamate, or a salt thereof; benzyl ((3S)-1-((1S,2R)-2-acetamido-4-oxocyclohexyl)-2-oxo-3-pyrrolidinyl)carbamate, or a salt thereof; and