cas 90940-54-8, D-HOMOPHENYLALANINE ETHYL ESTER HYDROC& | Articles data ｜lookchem

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90940-54-8

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Ethyl 2,4-dioxo-4-phenylbutyrate: A versatile intermediate for the large-scale preparation of enantiomerically pure α-hydroxy and α-amino acid esters
Starting from ethyl 2,4-dioxo-4-phenylbutyrate, both enantiomers of six enantiomerically pure α-hydroxy and α-amino acid esters (homophenylalanine derivatives) were prepared on >100 g scale. The key step involves a Pt-cinchona catalyzed enantioselective hydrogenation followed by enrichment via crystallization. All derivatives are commercially available.
Blaser, Hans-Ulrich,Burkhardt, Stephan,Kirner, Hans Juerg,Moessner, Tanja,Studer, Martin
p. 1679 - 1682
(2007/10/03)

A practical synthesis of ethyl (R)- and (S)-2-hydroxy-4-phenylbutanoate and D-homophenylalanine ethyl ester hydrochloride from L-malic acid
With the readily available L-malic acid as starting material, both enantiomers of ethyl 2-hydroxyl-4-phenylbutanoates and D-homophenylalanine ethyl ester hydrochloride were prepared conveniently in excellent optical purity and 64, 53 and 49% overall yield, respectively.
Lin, Wen-Qing,He, Ze,Jing, Yi,Cui, Xin,Liu, Hui,Mi, Ai-Qiao
p. 1583 - 1587
(2007/10/03)

Process for preparing antihypertensive 1-substituted cyclic lactam-2-carboxylic acids and their derivatives
Certain antihypertensive 1-substituted cyclic lactam-2-carboxylic acids and their derivatives are prepared by reacting an ester of the formula STR1 with a suitable derivative of the formula STR2
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(2008/06/13)

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Chemical Properties

Storage Temp.:under inert gas (nitrogen or Argon) at 2-8°C
BRN: 8937583
PSA: 52.32000
LogP: 3.01190

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