115572-83-3

Upstream product

• 115572-80-0 (+)-1-(benzyloxycarbonyl)-2(R)-tert-butyl-3-<(R)methyl(methoxycarbonyl)methyl>-5(R)-methylimidazolidin-4-one 
• 115572-68-4 (+)-1-(benzyloxycarbonyl)-2(R)-tert-butyl-3-<(S)-methyl(methoxycarbonyl)methyl>imidazolidin-4-one 

Downstream Products

• 115572-84-4 1-(benzyloxycarbonyl)-2(R)-tert-butyl-3-(methoxy-(S)-alanyl-(R)-alanyl)-5(R)-imidazolidin-4-one 
• 923-16-0 D-alanyl-D-alanine 

Relevant academic research and scientific papers

Stereoselective Alkylation of Glycine Units in Dipeptide Derivatives: "Chirality Transfer" via a Pivalaldehyde N,N-Acetal Center

Dipeptide esters (of glycylglycine, glycylalanine, alanylglycine) and aldehydes (isobutyraldehyde, pivalaldehyde, benzaldehyde) are condensed to (4-oxoimidazolidin-3-yl)acetates and -propionates (1-3).Lithium enolates of these derivatives, are generated (

178. Alkylation of Imidazolidinone Dipeptide Derivatives: Preparation of Enantiomerically Pure Di- and Tripeptides by "Chirality Transfer" via a Pivalaldehyde N,N-Acetal Center

Glycylglycine, glycyl-(S)-alanine, and (S)-alanylglycine esters are cyclized through pivalaldehyde imines to give dipeptide-derived 3-(benzyloxycarbonyl)-2-(tert-butyl)-5-oxoimidazolidine-1-acetates 1-3.These are alkylated diastereoselecively by Li-enolat