56694-30-5

Basic information

• Product Name: L-Leucine, N-[(phenylmethoxy)carbonyl]-L-valyl-, ethyl ester
• CAS NO: 56694-30-5
• Molecular Formula: C21H32N2O5
• Molecular Weight: 392.495
• Mol File: 56694-30-5.mol
• Article Data: 3

Chemical Properties

• CAS DataBase Reference: L-Leucine, N-[(phenylmethoxy)carbonyl]-L-valyl-, ethyl ester(CAS DataBase Reference)
• NIST Chemistry Reference: L-Leucine, N-[(phenylmethoxy)carbonyl]-L-valyl-, ethyl ester(56694-30-5)
• EPA Substance Registry System: L-Leucine, N-[(phenylmethoxy)carbonyl]-L-valyl-, ethyl ester(56694-30-5)

Safety Data

• Hazardous Substances Data: 56694-30-5(Hazardous Substances Data)

Upstream product

• 2743-60-4 L-Leucine ethyl ester 
• 1149-26-4 (S)-N-(benzyloxycarbonyl)valine 
• 516-06-3 D,L-valine 
• 1149-26-4 N-benzyloxycarbonylvaline 
• 3496-11-5 2,5-dioxopyrrolidin-1-yl (2S)-2-(((benzyloxy)carbonyl)amino)-3-methylbutanoate 
• 2743-40-0 L-leucine ethyl ester hydrochloride 

Downstream Products

• 5625-50-3 (3S,6S)-3-(1-methylethyl)-6-(2-methylpropyl)piperazine-2,5-dione 

Relevant articles and documents

An improved method for the synthesis of active esters of N-protected amino acids and subsequent synthesis of dipeptides

4-Dimethylaminopyridine-catalyzed reaction of mixed carbonates 3 with N-protected amino acids 4 gave the corresponding active esters 5-9, from which dipeptides 11-18 were synthesized by aminolysis with amino acids 10.

Rate constants for peptide p-nitrophenyl ester coupling reactions in dimethylformamide. A model for steric interactions in the peptide bond forming transition state.

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