(R,E)-Ethyl 5-([1,1'-biphenyl]-4-yl)-4-((tert-butoxycarbonyl)amino)-2-methylpent-2-enoate

for the following products (4R)-5-[1,1'-Biphenyl]-4-yl-4-[[(1,1-dimethylethoxy)carbonyl]amino]-2-methyl-2-pentenoic acid ethyl ester | 5-?[1,?1'-?Biphenyl]?-?4-?yl-?4-?[[(1,?1-?dimethylethoxy)?carbonyl]?amino]?-?2-?methyl-2-?pentenoic acid and (R,E)-Ethyl 5-([1,1'-biphenyl]-4-yl)-4-((tert-butoxycarbonyl)amino)-2-methylpent-2-enoate