METHOD OF PRODUCING GAMMA-GLYCINE Russian patent published in 2011 - IPC C07C229/08 C07C227/42 

Abstract RU 2411233 C1

FIELD: chemistry.

SUBSTANCE: invention relates to the chemical and pharmaceutical industry, specifically to a method of producing gamma-glycine having wide application in engineering, medicine and food industry. The method involves recrystallisation of glycine by treating glycine with a mixture of water vapour and ammonia vapour in a closed volume. The process is preferably carried out at temperature 18-25°C and ammonia concentration in the vapour mixture of 66-96.8 wt %. To accelerate the recrystallisation process, gamma-glycine can be added to the initial glycine.

EFFECT: method is easy to implement and enables to obtain gamma-glycine with high output.

7 cl, 3 ex

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RU 2 411 233 C1

Authors

Achkasov Andrej Fedorovich

Boldyreva Elena Vladimirovna

Drebushchak Tat'Jana Nikolaevna

Shutova Elena Sergeevna

Dates

2011-02-10Published

2009-06-19Filed