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H-Glu(OBzl)-OBzl HCl

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H-Glu(OBzl)-OBzl HCl Basic information
Product Name:H-Glu(OBzl)-OBzl HCl
Synonyms:L-GLUTAMIC ACID-ALPHA,GAMMA-DIBENZYL ESTER HYDROCHLORIDE;L-Glutamic acid dibenzyl ester hydrochloride;H-Glu(Obzl)-Obzl hydrochloride;(S)-dibenzyl 2-aMinopentanedioate;Dibenzyl glutamate hydrochloride;L-GLUTAMIC ACID-A,Y-DIBENZYLESTER HYDROCHLORIDE;L-GLUTAMIC ACID BIS(PHENYLMETHYL) ESTER HYDROCHLORIDE;(2S)-2-aminoglutaric acid dibenzyl ester hydrochloride
CAS:4561-10-8
MF:C19H22ClNO4
MW:363.84
EINECS:
Product Categories:
Mol File:4561-10-8.mol
H-Glu(OBzl)-OBzl HCl Structure
H-Glu(OBzl)-OBzl HCl Chemical Properties
Melting point 102.0 to 106.0 °C
RTECS MA0885000
storage temp. Inert atmosphere,Room Temperature
solubility Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
form Powder
color White
CAS DataBase Reference4561-10-8
Safety Information
HS Code 2922498590
MSDS Information
H-Glu(OBzl)-OBzl HCl Usage And Synthesis
UsesL-Glutamic acid dibenzyl ester hydrochloride oxalate used as a intermediate in pharmaceutical and chemical synthesis. Also used in medicine research.
UsesH-Glu(Obzl)-Obzl HCl
Synthesis
L-Glutamic acid

56-86-0

Benzyl alcohol

100-51-6

H-GLU(OBZL)-OBZL HCL

4561-10-8

To a 500 mL four-necked flask equipped with a mechanical stirrer, a thermometer and a reflux condenser tube (connected to a 30% aqueous sodium hydroxide solution absorption unit) were sequentially added 280 g of benzyl alcohol, 14.7 g (0.10 mol) of L-glutamic acid and 30.0 g (0.25 mol) of thionyl chloride. The reaction mixture was heated to 80-85 °C and the reaction was stirred at this temperature for 5 hours. Upon completion of the reaction, the reaction solution was cooled to 20-25 °C and nitrogen was passed to displace the hydrogen chloride gas in the system for 30 min. Subsequently, excess thionyl chloride and benzyl alcohol were recovered by distillation. To the residue, 120 mL of methyl tert-butyl ether was added for pulping treatment, and the solid product was collected by filtration and dried to give 35.9 g of white solid L-glutamic acid dibenzyl ester hydrochloride, which was analyzed by liquid chromatography to have a purity of 99.8% and a yield of 98.7%.

References[1] Patent: CN107602436, 2018, A. Location in patent: Paragraph 0047; 0048; 0049; 0050
[2] Journal of the Chinese Chemical Society, 2009, vol. 56, # 5, p. 1010 - 1017
[3] Bioorganic and Medicinal Chemistry, 2010, vol. 18, # 17, p. 6220 - 6229
H-Glu(OBzl)-OBzl HCl Preparation Products And Raw materials
Raw materialsL-Glutamic acid-->Boc-L-glutamic acid dibenzyl ester-->Benzyl alcohol
Tag:H-Glu(OBzl)-OBzl HCl(4561-10-8) Related Product Information
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