GB563496A - Improvements in or relating to the production of beta-aminopropionic acid - Google Patents

Improvements in or relating to the production of beta-aminopropionic acid

Info

Publication number
GB563496A
GB563496A GB15194/42A GB1519442A GB563496A GB 563496 A GB563496 A GB 563496A GB 15194/42 A GB15194/42 A GB 15194/42A GB 1519442 A GB1519442 A GB 1519442A GB 563496 A GB563496 A GB 563496A
Authority
GB
United Kingdom
Prior art keywords
ammonia
aminopropionic acid
cyanhydrin
ethylene
mentioned
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB15194/42A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wyeth Holdings LLC
Original Assignee
American Cyanamid Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by American Cyanamid Co filed Critical American Cyanamid Co
Publication of GB563496A publication Critical patent/GB563496A/en
Expired legal-status Critical Current

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

b -Aminopropionic acid is prepared by reacting aqueous solutions of ammonia with ethylene cyanhydrin. The product is worked up by concentrating to a syrup and precipitating by adding methanol. By reacting with a further quantity of ammonia, the filtrate yields further quantities of aminoacid. In examples, ethylene-cyanhydrin is reacted with various concentrations of ammonium hydroxide. The use of corrosion inhibitors and ammonium salts of a weak acid in the process is mentioned. The Specification as open to inspection under Sect. 91 comprises also the preparation of aliphatic amino acids in general from cyanhydrins and ammonia or aliphatic amines. Alkylolamines are mentioned. This subject-matter does not appear in the Specification as accepted.
GB15194/42A 1941-10-03 1942-10-29 Improvements in or relating to the production of beta-aminopropionic acid Expired GB563496A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US563496XA 1941-10-03 1941-10-03

Publications (1)

Publication Number Publication Date
GB563496A true GB563496A (en) 1944-08-17

Family

ID=22003823

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15194/42A Expired GB563496A (en) 1941-10-03 1942-10-29 Improvements in or relating to the production of beta-aminopropionic acid

Country Status (1)

Country Link
GB (1) GB563496A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007144212A1 (en) * 2006-06-14 2007-12-21 Evonik Röhm Gmbh Apparatus and process for continuously preparing ethylene cyanohydrin

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007144212A1 (en) * 2006-06-14 2007-12-21 Evonik Röhm Gmbh Apparatus and process for continuously preparing ethylene cyanohydrin

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