ChemicalBook CAS DataBase List (βS)-N-Benzoyl-β-hydroxy-4-(methylsulfonyl)-D-phenylalanine Ethyl Ester

(βS)-N-Benzoyl-β-hydroxy-4-(methylsulfonyl)-D-phenylalanine Ethyl Ester synthesis

1synthesis methods

Product Name:(βS)-N-Benzoyl-β-hydroxy-4-(methylsulfonyl)-D-phenylalanine Ethyl Ester
CAS Number:139164-32-2
Molecular formula:C19H21NO6S
Molecular Weight:391.44

D-Phenylalanine, β-hydroxy-4-(methylthio)-, ethyl ester, hydrochloride, threo- (9CI)

139235-94-2
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(βS)-N-Benzoyl-β-hydroxy-4-(methylsulfonyl)-D-phenylalanine Ethyl Ester

139164-32-2
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Yield:-

Steps:

Multi-step reaction with 2 steps
1: 94 percent / Et₃N / ethanol; CH₂Cl₂ / 1 h / -5 - 0 °C
2: 95 percent / 35percent CH₃CO₃H in AcOH / CH₂Cl₂ / 1 h / Ambient temperature

References:

Clark;Fischer;Schumacher [Synthesis,1991,# 10,p. 891 - 894]