GB995299A - Improvements in the manufacture of amino-acids - Google Patents

Improvements in the manufacture of amino-acids

Info

Publication number
GB995299A
GB995299A GB543363A GB543363A GB995299A GB 995299 A GB995299 A GB 995299A GB 543363 A GB543363 A GB 543363A GB 543363 A GB543363 A GB 543363A GB 995299 A GB995299 A GB 995299A
Authority
GB
United Kingdom
Prior art keywords
alkyl
amino
dialkoxybenzyl
nitroalkene
hydantoin
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
GB543363A
Inventor
John Dobney Andrew Johnson
Egbert Mead Gibbs
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.)
WJ Bush and Co Ltd
Original Assignee
WJ Bush and Co Ltd
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 WJ Bush and Co Ltd filed Critical WJ Bush and Co Ltd
Priority to GB543363A priority Critical patent/GB995299A/en
Publication of GB995299A publication Critical patent/GB995299A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
    • C07D233/66—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D233/72—Two oxygen atoms, e.g. hydantoin
    • C07D233/76—Two oxygen atoms, e.g. hydantoin with substituted hydrocarbon radicals attached to the third ring carbon atom
    • C07D233/78—Radicals substituted by oxygen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

2 - Alkyl - 2 - amino - 3 - (3,4, - dihydroxyphenyl) propionic acids are prepared by condensing a 3,4-dialkoxybenzaldehyde with a C2- 5-nitroalkene (basic catalyst/alcohol), reducing the nitroalkene so formed to a 3,4-dialkoxybenzyl alkyl ketone, reacting the latter with alkali metal cyanide/ammonium carbonate to give a 5-alkyl-5-(3,4-dialkoxybenzyl) hydantoin, refluxing the hydantoin with hydrogen halide to give the corresponding salt of the desired amino-acid and finally treating the latter with ammonia or amine and adjusting the pH of the solution to precipitate free aminoacid. All alkyl groups in the intermediates and final product contain up to 4 carbon atoms.
GB543363A 1963-02-11 1963-02-11 Improvements in the manufacture of amino-acids Expired GB995299A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB543363A GB995299A (en) 1963-02-11 1963-02-11 Improvements in the manufacture of amino-acids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB543363A GB995299A (en) 1963-02-11 1963-02-11 Improvements in the manufacture of amino-acids

Publications (1)

Publication Number Publication Date
GB995299A true GB995299A (en) 1965-06-16

Family

ID=9796107

Family Applications (1)

Application Number Title Priority Date Filing Date
GB543363A Expired GB995299A (en) 1963-02-11 1963-02-11 Improvements in the manufacture of amino-acids

Country Status (1)

Country Link
GB (1) GB995299A (en)

Similar Documents

Publication Publication Date Title
ES316768A1 (en) Procedure for the preparation of a new polyamide. (Machine-translation by Google Translate, not legally binding)
ES341123A1 (en) (indazole-3-yl)-oxyalkanoic acids
ES450803A1 (en) Process for preparing amono-acid admides
GB995299A (en) Improvements in the manufacture of amino-acids
GB1080599A (en) Improvements in and relating to l-ornithine l-aspartate
GB1252435A (en)
GB1194313A (en) Aqueous process for preparing Pseudoureas and Acid Addition Salts thereof
ES434229A1 (en) Process for the production of N,N-diallyldichloroacetamide
ES322277A1 (en) Procedure for the chemical plate of ferrous metal surfaces. (Machine-translation by Google Translate, not legally binding)
GB1125584A (en) Zinc electroplating solution
GB1225599A (en)
GB1384091A (en) Anti-microbially active diamino-succinic acid and diamino-glutaric acid derivatives
GB1195779A (en) Preparing Lactams by Selective Hydrolysis and Cyclization
GB1060000A (en) The method for synthesizing dl-glutamic acid and its alkyl derivatives, and intermediates
GB1156738A (en) Printing and Dyeing Processes
GB1311480A (en) Process for the production of hydrazodicarbonamide and azodi carbonamide
GB786007A (en) Thiazolo-pyrimidines
GB1168961A (en) Process for the Cyanoethylation of 5,5-Dialkylhydantoins
FR2192554A5 (en) Chelating agents - useful as regulators in electroplating baths and in plant growth
GB1124149A (en) Process for the preparation of ª‡-amino acids
GB1156158A (en) Production of omega-Hydroxyalkane- and omega-Hydroxyalkene-Carbonitriles
GB1069200A (en) A method for the fermentative production of 5-amino-4-imidazole carboxamide ribotide
GB1492006A (en) Process for the production of maddrell's salt
GB1157393A (en) Process for the Preparation of Aminoacetic Acid
FR2172948A1 (en) 2-arylamino-2-imidazoline derivs - with analgesic and hypotensive activity