L-Glutamicacid α-tert ·butylester CAS NO.45120-30-7

Name: L-Glutamicacid α-tert ·butylester.

synonym:L-Glutamicacida-tertutylester;L-Glutamicacid1-(1,1-dimethylethyl)ester;(S)-4-amino-5-tert-butoxy-5-oxopentanoicacid;α-tert-ButylL-GlutaMate;t-butoxycarbonyl-γ-aMinobutyricacid;L-Glutamicacidα-tert·butylester;L-GLUTAMICACIDALPHA-TERTBUTYLESTER;1-TERT-BUTYLL-GLUTAMATE,98.0+%(T)

CAS No: 45120-30-7.

Molecular formula: C9H17NO4.

Molecular weight: 0.

Appearance: White powder.

Application: 1-tert-butyl L-glutamic acid is an organic synthesis intermediate and pharmaceutical intermediate, which can be used in laboratory research and development process and chemical pharmaceutical synthesis process.

Preparation method: 581g tert-butyl acetate and 147g glutamic acid were added to 2000mL three-port bottle, stirring, dripping 100mL perchloric acid, Chemicalbook reaction at 20 ℃ for 48 hours, cooling to 0 ℃, then adding 600mL water, neutralizing to pH=8~9, solution with Na2CO3, washing three times with 100mL1%Na2CO3 aqueous solution, combining aqueous phase, extracting three times with petroleum ether 200ml, the crude product containing 1-tert-butyl L-glutamic acid was obtained.

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