GB1169807A - p-Chlorobenzyl Compounds and their Serotonin Lowering Ability - Google Patents

p-Chlorobenzyl Compounds and their Serotonin Lowering Ability

Info

Publication number
GB1169807A
GB1169807A GB1523367A GB1523367A GB1169807A GB 1169807 A GB1169807 A GB 1169807A GB 1523367 A GB1523367 A GB 1523367A GB 1523367 A GB1523367 A GB 1523367A GB 1169807 A GB1169807 A GB 1169807A
Authority
GB
United Kingdom
Prior art keywords
general formula
derivative
chlorophenylalanine
pharmaceutically acceptable
acceptable acid
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
GB1523367A
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.)
Pfizer Inc
Original Assignee
Pfizer Inc
Charles Pfizer 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 Pfizer Inc, Charles Pfizer and Co Inc filed Critical Pfizer Inc
Publication of GB1169807A publication Critical patent/GB1169807A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D233/00Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/54Heterocyclic 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
    • C07D233/66Heterocyclic 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
    • C07D233/72Two oxygen atoms, e.g. hydantoin
    • C07D233/76Two oxygen atoms, e.g. hydantoin with substituted hydrocarbon radicals attached to the third ring carbon atom

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

1,169,807. p-Chlorophenylalanine derivatives. CHAS. PFIZER & CO. Inc. 3 April, 1967 [7 Feb., 1967], No. 15233/67. Addition to 1,153,792. Heading C2C. Novel p-chlorophenylalanine derivatives of the general formula wherein R is hydrogen or C 1 -C 5 alkyl; R<SP>1</SP> is hydrogen or C 1 -C 5 alkanoyl; R<SP>2</SP> is trifluoromethyl or C 1 -C 4 alkyl; and pharmaceutically acceptable acid addition salts thereof are prepared by reaction of a p-chlorobenzyl carbonyl derivative of the general formula with ammonium carbonate and potassium cyanide and treatment of the resulting 5-(pchlorobenzyl)-hydantoin of the general formula with aqueous sodium hydroxide and then glacial acetic acid to give a p-chlorophenylalanine derivative of the general formula followed by optional esterification, conversion to a corresponding N-alkylcarbonyl derivative with an acid anhydride or formation of a pharmaceutically acceptable acid addition salt of the product. Pharmaceutical compositions, useful for lowering the 5-hydroxy-tryptamine concentration in the body, comprise as active ingredient a pchlorophenylalanine derivative of the first general formula above or a pharmaceutically acceptable acid addition salt thereof and a pharmaceutical carrier, and may be administered orally or parenterally.
GB1523367A 1967-02-07 1967-04-03 p-Chlorobenzyl Compounds and their Serotonin Lowering Ability Expired GB1169807A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US61441867A 1967-02-07 1967-02-07

Publications (1)

Publication Number Publication Date
GB1169807A true GB1169807A (en) 1969-11-05

Family

ID=24461176

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1523367A Expired GB1169807A (en) 1967-02-07 1967-04-03 p-Chlorobenzyl Compounds and their Serotonin Lowering Ability

Country Status (1)

Country Link
GB (1) GB1169807A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113967416A (en) * 2021-10-29 2022-01-25 新疆医科大学第四附属医院 Dissolving method and application of high-concentration p-chlorophenylalanine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113967416A (en) * 2021-10-29 2022-01-25 新疆医科大学第四附属医院 Dissolving method and application of high-concentration p-chlorophenylalanine

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