90891-90-0

Basic information

• Product Name: D-Phenylalanine, a-(2-methylpropyl)-, methyl ester
• CAS NO: 90891-90-0
• Molecular Formula: C14H21NO2
• Molecular Weight: 235.326
• Mol File: 90891-90-0.mol
• Article Data: 2

Chemical Properties

• CAS DataBase Reference: D-Phenylalanine, a-(2-methylpropyl)-, methyl ester(CAS DataBase Reference)
• NIST Chemistry Reference: D-Phenylalanine, a-(2-methylpropyl)-, methyl ester(90891-90-0)
• EPA Substance Registry System: D-Phenylalanine, a-(2-methylpropyl)-, methyl ester(90891-90-0)

Safety Data

• Hazardous Substances Data: 90891-90-0(Hazardous Substances Data)

Upstream product

• 13022-42-9 L-leucyl-L-leucine methyl ester 
• 952-43-2 (3S,6S)-3,6-diisobutylpiperazine-2,5-dione 
• 90891-79-5 (3S,6S)-3,6-Diisobutyl-2,5-dimethoxy-3,6-dihydropyrazine 
• 107246-15-1 N-(1,2:3,4-Di-O-cyclohexyliden-6-desoxy-α-D-galactopyranos-6-yliden)leucin-methylester 
• 2666-93-5 (S)-Leu-OMe 
• 107246-23-1 α-Benzyl-N-(1,2:3,4-di-O-cyclohexyliden-6-desoxy-α-D-galactopyranos-6-yliden)leucin-methylester 
• 90891-83-1 (2R,5S)-2-Benzyl-2,5-diisobutyl-3,6-dimethoxy-2,5-dihydro-pyrazine 

Relevant articles and documents

Asymmetric Synthesis of Methyl α-Alkyl-valinates, -leucinates, and -isoleucinates Using (Cyclohexylidene-protected) D-Galactodialdehyde as Chiral Auxiliary

The Schiff bases 2 from protected D-galactodialdehyde 1 and methyl valinate, -leucinate, and -isoleucinate were diastereoselectively alkylated via the lithium derivatives 3.The asymmetric induction of the alkylation step varied from 23 to >95percent.Upon hydrolysis the alkylation products 5-7 furnished the optically active α-alkylated methyl (S)-valinates 8, -leucinates 10, and -isoleucinates 11.