GB1169807A - p-Chlorobenzyl Compounds and their Serotonin Lowering Ability - Google Patents
p-Chlorobenzyl Compounds and their Serotonin Lowering AbilityInfo
- 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
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
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.
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)
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 |
-
1967
- 1967-04-03 GB GB1523367A patent/GB1169807A/en not_active Expired
Cited By (1)
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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