GB632682A - Preparation of 2-amino-3-carboxymethylmercapto-propanoic acid - Google Patents

Preparation of 2-amino-3-carboxymethylmercapto-propanoic acid

Info

Publication number
GB632682A
GB632682A GB4964/47A GB496447A GB632682A GB 632682 A GB632682 A GB 632682A GB 4964/47 A GB4964/47 A GB 4964/47A GB 496447 A GB496447 A GB 496447A GB 632682 A GB632682 A GB 632682A
Authority
GB
United Kingdom
Prior art keywords
carboxymethylmercapto
amino
propanoic acid
preparation
chloracetic
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
GB4964/47A
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.)
Merck and Co Inc
Original Assignee
Merck and Co Inc
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 Merck and Co Inc filed Critical Merck and Co Inc
Publication of GB632682A publication Critical patent/GB632682A/en
Expired legal-status Critical Current

Links

Landscapes

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

Abstract

2 - Amino - 3 - carboxymethylmercapto - propanoic acid is prepared from cystine and a halo-acetic acid by reduction in alkaline solution with a metal (preferably finely-divided) which forms an amphoteric hydroxide. Chloracetic and bromacetic acids are specified as starting materials, with sodium or potassium hydroxide and zinc or aluminium. The example shows the use of chloracetic acid, sodium hydroxide and zinc dust. The product is an intermediate in the synthesis of biotin.
GB4964/47A 1946-03-14 1947-02-20 Preparation of 2-amino-3-carboxymethylmercapto-propanoic acid Expired GB632682A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US632682XA 1946-03-14 1946-03-14

Publications (1)

Publication Number Publication Date
GB632682A true GB632682A (en) 1949-11-28

Family

ID=22048076

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4964/47A Expired GB632682A (en) 1946-03-14 1947-02-20 Preparation of 2-amino-3-carboxymethylmercapto-propanoic acid

Country Status (1)

Country Link
GB (1) GB632682A (en)

Similar Documents

Publication Publication Date Title
GB632682A (en) Preparation of 2-amino-3-carboxymethylmercapto-propanoic acid
AU126324B2 (en) Manufacture of 2:4:5-trichlorophenylacetic acid
GB558282A (en) Buttons
AU128620B2 (en) Improvements in or relating tothe preparation of unsymmetrically substituted guanidines
CA426640A (en) Ship's davit
GB573478A (en) Improvements in or relating to the manufacture of chlorocresol derivatives
CA447580A (en) Synthesis of pantothenic acid
CA439231A (en) Motion transforming mechanism
CA438019A (en) Amino acid manufacture
CA435158A (en) Zinc base alloy
CA435162A (en) Zinc base alloy
CA435157A (en) Zinc base alloy
CA435155A (en) Zinc base alloy
CA435159A (en) Zinc base alloy
CA435160A (en) Zinc base alloy
CA435161A (en) Zinc base alloy
CA435156A (en) Zinc base alloy
CA435163A (en) Zinc base alloy
CA435164A (en) Zinc base alloy
GB597889A (en) The manufacture of 2-amino-5-methyl pyrazine
AU2339245A (en) Manufacture of 2:4:5-trichlorophenylacetic acid
CA427854A (en) Metal salt of pantothenic acid
AU2242645A (en) Improvements in or relating tothe preparation of unsymmetrically substituted guanidines
AU131346B2 (en) Electrolytic recovery of Zinc
CA435259A (en) Production of 2,2,3 trichloro- and tribromo-alkanal-1 compounds and hydrates