Preparation method of glycin-14C

By hydrolyzing the 2-(benzylamino)acetonitrile-1-14C after reaction with benzylamine hydrochloride and labeled potassium cyanide, and obtaining 14C-labeled glycine through palladium hydrocarbon reaction, the problems of using highly toxic raw materials and complex processes in the existing glycine synthesis methods were solved, and efficient and safe preparation of glycine-14C was achieved, providing an important tool for biological and medical research.

CN119707724APending Publication Date: 2025-03-28CHANGSHA BEITA PHARMATECH CO LTD
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Patent Information

Application Number
CN202411846077.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

The existing glycine synthesis methods have problems such as using highly toxic raw materials, high process technology requirements, complex by-product treatment and low yield, making it difficult to achieve both safety, efficiency and cost.

Method used

After reacting benzylamine hydrochloride with labeled potassium cyanide, sodium hydroxide was hydrolyzed to synthesize 2-(benzylamino)acetonitrile-1-14C, and 14C-labeled glycine was obtained by palladium hydrocarbon hydrocarbon reaction, achieving efficient labeling of glycine.

Benefits of technology

This method is simple to operate, has few by-products, is easy to purify, and has a short time period. It can achieve high yield glycine-14C preparation. It is suitable for tracking the metabolic pathways of glycine in the body and the circulation of organisms. It has important biological and medical research value.

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Abstract

The invention belongs to the technical field of glycine synthesis, and particularly relates to a preparation method of glycin-14C. Comprising the following steps: 1, reacting benzylamine hydrochloride serving as a raw material with labeled potassium cyanide, and hydrolyzing sodium hydroxide to synthesize 2-benzylamine acetic acid-1-14C; step 2, carrying out hydrogenation reaction on the 2-benzylamine acetic acid-1-14C and palladium carbon to obtain required glycine with a mark; and # imgabs0 #. The method is mild in reaction condition, easy to implement and high in yield.
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