SU1085974A1 - Process for preparing dl-glutamic acid - Google Patents

Process for preparing dl-glutamic acid Download PDF

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Publication number
SU1085974A1
SU1085974A1 SU813294892A SU3294892A SU1085974A1 SU 1085974 A1 SU1085974 A1 SU 1085974A1 SU 813294892 A SU813294892 A SU 813294892A SU 3294892 A SU3294892 A SU 3294892A SU 1085974 A1 SU1085974 A1 SU 1085974A1
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SU
USSR - Soviet Union
Prior art keywords
glutamic acid
cyanidation
acid
racemization
glutamic
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Application number
SU813294892A
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Russian (ru)
Inventor
Николай Александрович Петров
Людмила Семеновна Маслий
Михаил Георгиевич Рыжов
Нона Алексеевна Аксенова
Юрий Павлович Ваучский
Александр Сергеевич Дударев
Юлия Вениаминовна Рукавицына
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Предприятие П/Я В-8469
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Priority to SU813294892A priority Critical patent/SU1085974A1/en
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Publication of SU1085974A1 publication Critical patent/SU1085974A1/en

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Abstract

СПОСОБ ПОЛУЧЕНИЯ DL-ГЛУТАМИНОВОЙ КИСЛОТЫ путем цианировани  Я-цианпропионового альдегида в присутствии аммонийных солей, гидролиза образующегос  продукта цианировани  щелочью, выделени  DL-глутаминовой кислоты, разделени  ее на оптические изомеры, рацемизации D-глутаминовой кислоты, отличающийс  тем, что, с,целью упрощени  процесса, рацемизацию D-глутаминовой кислоты осуществл ют путем введени  ее на стадию гидролиза продукта цианировани .The method of producing DL-glutamine acid by cyanidation of I-cyanopropionic aldehyde in the presence of ammonium salts, hydrolysis of the resulting cyanidation product with alkali, isolation of DL-glutamic acid, its separation into optical isomers, racemization of D-glutamic symitters process, the racemization of D-glutamic acid is carried out by introducing it to the stage of hydrolysis of the product cyanidation.

Description

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Claims (1)

(5 4) СПОСОБ ПОЛУЧЕНИЯ DL-ГЛУТАМИНОВОЙ КИСЛОТЫ путем цианирования β-цианпропионового альдегида в присутствии аммонийных солей, гидролиза образующегося продукта цианирования щелочью, выделения DL-глутаминовой кислоты, изомеры, кислоты, разделения ее на оптические рацемизации D-глутаминовой отличающийся тем, что, с,целью упрощения процесса, рацемизацию D-глутаминовой кислоты осуществляют путем введения ее на стадию гидролиза продукта цианирования .(5 4) METHOD FOR PRODUCING DL-GLUTAMINE ACID by cyanidation of β-cyanopropionic aldehyde in the presence of ammonium salts, hydrolysis of the resulting cyanidation product with alkali, isolation of DL-glutamic acid, isomers, acid, its separation into optical racemization of D-glutamic, which differs c, in order to simplify the process, the racemization of D-glutamic acid is carried out by introducing it into the hydrolysis step of the cyanation product. SU„„ 1085974SU „„ 1085974
SU813294892A 1981-06-03 1981-06-03 Process for preparing dl-glutamic acid SU1085974A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU813294892A SU1085974A1 (en) 1981-06-03 1981-06-03 Process for preparing dl-glutamic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU813294892A SU1085974A1 (en) 1981-06-03 1981-06-03 Process for preparing dl-glutamic acid

Publications (1)

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SU1085974A1 true SU1085974A1 (en) 1984-04-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
SU813294892A SU1085974A1 (en) 1981-06-03 1981-06-03 Process for preparing dl-glutamic acid

Country Status (1)

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SU (1) SU1085974A1 (en)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
1, Nitrogen, У11, № 24, 1963, с. 36-37 (прототип), *

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