Caspase inhibitors and methods of use thereof

A compound selected from

• N1—((S)-1-(((S)-5-(Benzyloxy)-2-oxo-1-(2,3,5,6-tetrafluorophenoxy)pentan-3-yl)amino)-1-oxopropan-2-yl)-N2-(2,6-difluorophenyl)oxalamide;
• N1-(2,6-Difluorophenyl)-N2—((S)-1-(((S)-5-hydroxy-2-oxo-1-(2,3,5,6-tetrafluorophenoxy)pentan-3-yl)amino)-1-oxopropan-2-yl)oxalamide;
• N1—((S)-1-(((S)-5-((4-Chlorobenzyl)oxy)-2-oxo-1-(2,3,5,6-tetrafluorophenoxy)pentan-3-yl)amino)-1-oxopropan-2-yl)-N2-(2,6-difluorophenyl)oxalamide;
• N1-(2,6-difluorophenyl)-N2—((S)-1-oxo-1-(((S)-2-oxo-1-(2,3,5,6-tetrafluorophenoxy)-5-(thiophen-3-ylmethoxy)pentan-3-yl)amino)propan-2-yl)oxalamide;
• N1-(2,6-Difluorophenyl)-N2—((S)-1-(((S)-5-methoxy-2-oxo-1-(2,3,5,6-tetrafluorophenoxy)pentan-3-yl)amino)-1-oxopropan-2-yl)oxalamide;
• (S)-4-((S)-2-(2-((2,6-Difluorophenyl)amino)-2-oxoacetamido)propanamido)-5-oxo-6-(2,3,5,6-tetrafluorophenoxy)hexanoic acid;
• (S)-3-((S)-2-(2-((2,6-Difluorophenyl)amino)-2-oxoacetamido)propanamido)-4-oxo-5-(2,3,5,6-tetrafluorophenoxy)pentyl phenyl carbonate;
• (S)-3-((S)-2-(2-((2,6-Difluorophenyl)amino)-2-oxoacetamido)propanamido)-4-oxo-5-(2,3,5,6-tetrafluorophenoxy)pentyl benzoate;
• (S)-4-(2-(2-((2,6-difluorophenyl)amino)-2-oxoacetamido)acetamido)-5-oxo-6-(2,3,5,6-tetrafluorophenoxy)hexanoic acid;
• (S)-6-(3,5-bis(trifluoromethyl)phenoxy)-4-((S)-2-(2-((2,6-difluorophenyl)amino)-2-oxoacetamido)propanamido)-5-oxohexanoic acid;
• (S)-4-((S)-2-(2-((2-(tert-Butyl)phenyl)amino)-2-oxoacetamido)propanamido)-5-oxo-6-(2,3,5,6-tetrafluorophenoxy)hexanoic acid;
• (S)-4-(2-(2-((2,6-Difluorophenyl)amino)-2-oxoacetamido)-2-methylpropanamido)-5-oxo-6-(2,3,5,6-tetrafluorophenoxy)hexanoic acid;
• (S)-5-((S)-2-(2-((2,6-Difluorophenyl)amino)-2-oxoacetamido)propanamido)-6-oxo-7-(2,3,5,6-tetrafluorophenoxy)heptanoic acid;
• (S)-4-(1-(2-((2,6-Difluorophenyl)amino)-2-oxoacetamido)cyclopentane-1-carboxamido)-5-oxo-6-(2,3,5,6-tetrafluorophenoxy)hexanoic acid;
• (S)-4-((S)-2-(2-((2,6-Difluorophenyl)amino)-2-oxoacetamido)propanamido)-5-oxo-6-((2-(trifluoromethyl)pyrimidin-4-yl)oxy)hexanoic acid;
• (S)-4-(2-(7-Chloro-1-oxoisoquinolin-2(1H)-yl)acetamido)-5-oxo-6-(2,3,5,6-tetrafluorophenoxy)hexanoic acid;
• (S)-4-((S)-2-(2-((4-fluorophenyl)amino)-2-oxoacetamido)propanamido)-5-oxo-6-(2,3,5,6-tetrafluorophenoxy)hexanoic acid;
• (S)-4-((S)-2-(2-((3-fluorophenyl)amino)-2-oxoacetamido)propanamido)-5-oxo-6-(2,3,5,6-tetrafluorophenoxy)hexanoic acid;
• (S)-4-((S)-2-(2-((4-methylphenyl)amino)-2-oxoacetamido)propanamido)-5-oxo-6-(2,3,5,6-tetrafluorophenoxy)hexanoic acid;
• (S)-4-((S)-2-(2-((3-methylphenyl)amino)-2-oxoacetamido)propanamido)-5-oxo-6-(2,3,5,6-tetrafluorophenoxy)hexanoic acid;
• (S)-4-((S)-2-(2-((2-methylphenyl)amino)-2-oxoacetamido)propanamido)-5-oxo-6-(2,3,5,6-tetrafluorophenoxy)hexanoic acid;
• (S)-4-((S)-2-(2-((2-methyoxyphenyl)amino)-2-oxoacetamido)propanamido)-5-oxo-6-(2,3,5,6-tetrafluorophenoxy)hexanoic acid;
• (S)-4-((S)-2-(2-((3-methyoxyphenyl)amino)-2-oxoacetamido)propanamido)-5-oxo-6-(2,3,5,6-tetrafluorophenoxy)hexanoic acid;
• (S)-4-((S)-2-(2-((4-methyoxyphenyl)amino)-2-oxoacetamido)propanamido)-5-oxo-6-(2,3,5,6-tetrafluorophenoxy)hexanoic acid;
• (S)-4-((S)-2-(2-((5-methylpyridin-2-yl)amino)-2-oxoacetamido)propanamido)-5-oxo-6-(2,3,5,6-tetrafluorophenoxy)hexanoic acid;
• (S)-5-oxo-4-((S)-2-(2-oxo-2-((3-(trifluoromethyl)phenyl)amino)acetamido)propanamido)-6-(2,3,5,6-tetrafluorophenoxy)hexanoic acid;
• (S)-5-oxo-4-((S)-2-(2-oxo-2-((4-(trifluoromethyl)phenyl)amino)acetamido)propanamido)-6-(2,3,5,6-tetrafluorophenoxy)hexanoic acid;
• benzyl (S)-4-((S)-2-(2-((2,6-difluorophenyl)amino)-2-oxoacetamido)propanamido)-5-oxo-6-(2,3,5,6-tetrafluorophenoxy)hexanoate;
• (S)-4-((S)-2-(2-((5-chloropyridin-2-yl)amino)-2-oxoacetamido)propanamido)-5-oxo-6-(2,3,5,6-tetrafluorophenoxy)hexanoic acid;
• (S)-4-((S)-2-(2-((4-acetylphenyl)amino)-2-oxoacetamido)propanamido)-5-oxo-6-(2,3,5,6-tetrafluorophenoxy)hexanoic acid;
• (S)-4-((S)-2-(2-((3-(1H-tetrazol-5-yl)phenyl)amino)-2-oxoacetamido)propanamido)-5-oxo-6-(2,3,5,6-tetrafluorophenoxy)hexanoic acid;
• (S)-4-((S)-2-(2-((2-cyanophenyl)amino)-2-oxoacetamido)propanamido)-5-oxo-6-(2,3,5,6-tetrafluorophenoxy)hexanoic acid;
• (S)-6-((2,6-bis(trifluoromethyl)pyrimidin-4-yl)oxy)-4-((S)-2-(2-((2,6-difluorophenyl)amino)-2-oxoacetamido)propanamido)-5-oxohexanoic acid;
• (S)-5-oxo-4-((S)-2-(2-oxo-2-((4-(trifluoromethoxy)phenyl)amino)acetamido)propanamido)-6-(2,3,5,6-tetrafluorophenoxy)hexanoic acid;
• (S)-5-oxo-4-((S)-2-(2-oxo-2-(quinolin-3-ylamino)acetamido)propanamido)-6-(2,3,5,6-tetrafluorophenoxy)hexanoic acid;
• (S)-4-((S)-2-(2-(naphthalen-1-ylamino)-2-oxoacetamido)propanamido)-5-oxo-6-(2,3,5,6-tetrafluorophenoxy)hexanoic acid;
• (S)-5-oxo-4-((S)-2-(2-oxo-2-(quinolin-8-ylamino)acetamido)propanamido)-6-(2,3,5,6-tetrafluorophenoxy)hexanoic acid;
• (S)-5-oxo-4-((S)-2-(2-oxo-2-(pyridin-4-ylamino)acetamido)propanamido)-6-(2,3,5,6-tetrafluorophenoxy)hexanoic acid;
• (R)-4-((S)-2-(2-((2,6-difluorophenyl)amino)-2-oxoacetamido)propanamido)-5-oxo-6-(2,3,5,6-tetrafluorophenoxy)hexanoic acid;
• (S)-5-oxo-4-((S)-2-(2-oxo-2-(pyridin-2-ylamino)acetamido)propanamido)-6-(2,3,5,6-tetrafluorophenoxy)hexanoic acid;
• (S)-5-oxo-4-((S)-2-(2-oxo-2-(pyridin-3-ylamino)acetamido)propanamido)-6-(2,3,5,6-tetrafluorophenoxy)hexanoic acid;
• (S)-4-((S)-2-(2-((4,6-dimethylpyrimidin-2-yl)amino)-2-oxoacetamido)propanamido)-5-oxo-6-(2,3,5,6-tetrafluorophenoxy)hexanoic acid;
• (S)-5-oxo-4-((S)-2-(2-oxo-2-(pyrimidin-2-ylamino)acetamido)propanamido)-6-(2,3,5,6-tetrafluorophenoxy)hexanoic acid;
• and
• N1-(2,6-difluorophenyl)-N2—((S)-1-(((S)-6-(hydroxyamino)-2,6-dioxo-1-(2,3,5,6-tetrafluorophenoxy)hexan-3-yl)amino)-1-oxopropan-2-yl)oxalamide.