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188798-80-3

188798-80-3 Structure

188798-80-3 Structure
IdentificationBack Directory
[Name]

(R)-methyl 2-(dibenzylamino)propanoate
[CAS]

188798-80-3
[Synonyms]

(R)-methyl 2-(dibenzylamino)propanoate
methyl (R)-2-(N,N-dibenzylamino)propanoate
D-Alanine, N,N-bis(phenylmethyl)-, methyl ester
[Molecular Formula]

C18H21NO2
[MDL Number]

MFCD31651414
[MOL File]

188798-80-3.mol
[Molecular Weight]

283.36
Chemical PropertiesBack Directory
[Boiling point ]

370.8±30.0 °C(Predicted)
[density ]

1.089±0.06 g/cm3(Predicted)
[pka]

5.39±0.50(Predicted)
Hazard InformationBack Directory
[Synthesis]

Starting with D-alanine, N,N-dibenzyl-D-alanine is generated by reflux reaction with excess benzyl bromide in an alkaline aqueous solution of potassium carbonate and sodium hydroxide (or an ethanol/water mixture) via nucleophilic substitution. Subsequently, the resulting dibenzyl amino acid is reacted with methyl iodide in dimethylformamide (DMF) or esterified in methanol via thionyl chloride (SOCl₂) catalysis to efficiently obtain (R)-methyl 2-(dibenzylamino)propanoate.
[References]

[1] PROF. DR. MANFRED T. REETZ   Alfred S  Mark W Drewes. Stereoselective Synthesis of β-Amino Alcohols from Optically Active α-Amino Acids†[J]. Angewandte Chemie International Edition, 1987, 26 11: 1141-1143. DOI:10.1002/anie.198711411.
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