上游原料
(2S,3S)-2-[[(benzyloxy)carbonyl]amino]-3-methylpentanoic acidmethyl (4S,5S)-4-[[(benzyloxy)carbonyl]amino]-5-methyl-3-oxoheptanoateL-2-Amino-3-methylpentanoic acid; L-isoleucine2,3,4,5,6-pentafluorophenyl (2S,3S)-2-[[(benzyloxy)carbonyl]amino]-3-methylpentanoatemethyl (3S,4S,5S)-4-[[(benzyloxy)carbonyl]amino]-3-hydroxy-5-methylheptanoatemethyl (3S,4S,5S)-4-[[(benzyloxy)carbonyl]amino]-5-methyl-3-[(triisopropylsilyl)oxy]heptanoate(3S,4S,5S)-4-[[(benzyloxy)carbonyl]amino]-5-methyl-3-[(triisopropylsilyl)oxy]heptanoic acid3-Bromo-1-propene; 3-Bromopropene;allyl bromide(3S,4S,5S)-4-[[(benzyloxy)carbonyl]amino]-5-methyl-3-[(triisopropylsilyl)oxy]heptanoic acidL-2-Amino-3-methylbutyric acid; L-2-Aminoisovaleric acid; 2-Aminoisovaleric acid; L-2-Amino-3-methylbutyric acid; L-alpha-Aminoisovaleric acid; L-valine; (S)-(+)-Valine; (S)-alpha-Aminoisovaleric acid(2S)-2-hydroxy-3-methylbutyric acidallyl (2S)-2-hydroxy-3-methylbutanoate(1S)-1-[(allyloxy)carbonyl]-2-methylpropyl (3S,4S,5S)-4-[[(benzyloxy)carbonyl]amino]-5-methyl-3-[(triisopropylsilyl)oxy]heptanoate(2S)-2-([(3S,4S,5S)-4-[[(benzyloxy)carbonyl]amino]-5-methyl-3-[(triisopropylsilyl)oxy]heptanoyl]oxy)-3-methylbutyric acid(1S)-2-methyl-1-[(2,3,4,5,6-pentafluorophenoxy)carbonyl]propyl (3S,4S,5S)-4-[[(benzyloxy)carbonyl]amino]-5-methyl-3-[(triisopropylsilyl)oxy]heptanoate(1S)-2-methyl-1-[(2,3,4,5,6-pentafluorophenoxy)carbonyl]propyl (3S,4S,5S)-4-[[(benzyloxy)carbonyl]amino]-5-methyl-3-[(triisopropylsilyl)oxy]heptanoate[2-(trimethylsilyl)ethoxy]methyl (2S,3R)-3-[[(2S)-2-[[[(2S)-1-((2S)-2-[[(benzyloxy)carbonyl]amino]-4-methylpentanoyl)pyrrolidinyl]carbonyl](methyl)amino]-3-(4-methoxyphenyl)propanoyl]oxy]-2-[(tert-butoxycarbonyl)amino]butanoate[2-(trimethylsilyl)ethoxy]methyl (2S,3R)-3-[[(2S)-2-[([(2S)-1-[(2S)-2-amino-4-methylpentanoyl]pyrrolidinyl]carbonyl)(methyl)amino]-3-(4-methoxyphenyl)propanoyl]oxy]-2-[(tert-butoxycarbonyl)amino]butanoate (2R)-2-[([(2S)-1-[(2S)-2-hydroxypropanoyl]pyrrolidinyl]carbonyl)(methyl)amino]-4-methylpentanoic acid