ENALAPRIL MALEATE INTERMEDIATES-84793-24-8|Tengarden Inc.

ENALAPRIL MALEATE INTERMEDIATES

[Chemical Name]: (aS,4S)-4-Methyl-2,5-dioxo-a-(2-phenylethyl)-3-oxazolidineaceticacid, ethyl ester

[Synonyms]: Ethyl (S)-2-[(S)-4-methyl-2,5-dioxo-1,3-oxazolidin-3-yl]-4-phenylbutyrate

[Structure]:

[Formula]: C₁₆H₁₉NO₅

[Molecular Weight]: 305.33

[CAS RN]: 84793-24-8

[Density]: 1.223 g/ cm³

[Optical Rotation]: [a]²⁰_D = +36.5(HCCl₃, c 1.00)

[Specification]:

Appearance	White crystalline powder
Solubility	Freely soluble in acetone acetonitrile
Specific rotation	+36.5°(HCCl₃, c 1.00)
Melting point	68～72℃
Loss on drying	0.5%max
N-[1-(S)-ethoxycarbonyl-3-phenylpropyl]-L-alanine	1.0%max
Cyclohexyl analog of alanine	0.3%max
Total unknown impurities	2.0%max
Purity HPLC	98.0%min