Leucine methyl ester hydrochloride → N-[N-(3,5-Difluorophenylacetyl)-L-alaninyl]-L-leucine Methyl Ester
Reaction equation
[F:1][C:2]1[CH:3]=[C:4]([CH2:9][C:10]([NH:12][C@H:13]([C:15]([OH:17])=O)[CH3:14])=[O:11])[CH:5]=[C:6]([F:8])[CH:7]=1.Cl.[CH3:19][O:20][C:21](=[O:28])[C@H:22]([CH2:24][CH:25]([CH3:27])[CH3:26])[NH2:23]>C(Cl)(Cl)Cl.CO>[CH3:19][O:20][C:21](=[O:28])[C@H:22]([CH2:24][CH:25]([CH3:27])[CH3:26])[NH:23][C:15](=[O:17])[C@H:13]([CH3:14])[NH:12][C:10](=[O:11])[CH2:9][C:4]1[CH:5]=[C:6]([F:8])[CH:7]=[C:2]([F:1])[CH:3]=1Participants
4
Procedure
Following General Procedure C and using N-(3,5-difluorophenylacetyl)-L-alanine (from Example B2 above) and L-leucine methyl ester hydrochloride (Aldrich), the title compound was prepared as a solid. The reaction was monitored by tlc (Rf=0.5 in 9:1 CHCl3/MeOH).