GB786135A - Substituted cyclopentyl compounds - Google Patents

Substituted cyclopentyl compounds

Info

Publication number
GB786135A
GB786135A GB1761/56A GB176156A GB786135A GB 786135 A GB786135 A GB 786135A GB 1761/56 A GB1761/56 A GB 1761/56A GB 176156 A GB176156 A GB 176156A GB 786135 A GB786135 A GB 786135A
Authority
GB
United Kingdom
Prior art keywords
cyclopentyl
urea
alkyl
treated
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
GB1761/56A
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.)
Cassella Farbwerke Mainkur AG
Original Assignee
Cassella Farbwerke Mainkur AG
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 Cassella Farbwerke Mainkur AG filed Critical Cassella Farbwerke Mainkur AG
Priority to GB1761/56A priority Critical patent/GB786135A/en
Publication of GB786135A publication Critical patent/GB786135A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00—Systems containing only non-condensed rings
    • C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
    • C07C2601/14—The ring being saturated

Landscapes

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

Abstract

The invention comprises cyclopentylacetic acid amides of the general formula <FORM:0786135/IV (b)/1> (wherein Y represents an unsubstituted or substituted amino group and R represents hydrogen or an alkyl, aralkyl, cycloalkyl or aryl radical), and the preparation thereof by reacting the corresponding compounds in which Y is halogen, OH or O-alkyl with an NH compound such as ammonia, a primary or secondary amine or a urea. The products are useful as sedatives or as intermediates for other therapeutic agents. In examples, cyclopentylacetic acid is brominated in the presence of red phosphorus, the product is treated with thionyl chloride and the resulting acid chloride is reacted with (1) aqueous ammonia, (2) urea in benzene, and (4) dibutylamine in ether. In Example (3), cyclopentyl-n-butylacetic acid is treated as in (1). There may similarly be prepared cyclopentyl-n-propyl-, di-(cyclopentyl)-, cyclopentyl-benzyl-and cyclopentyl-phenyl-bromoacetamides.
GB1761/56A 1956-01-18 1956-01-18 Substituted cyclopentyl compounds Expired GB786135A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1761/56A GB786135A (en) 1956-01-18 1956-01-18 Substituted cyclopentyl compounds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1761/56A GB786135A (en) 1956-01-18 1956-01-18 Substituted cyclopentyl compounds

Publications (1)

Publication Number Publication Date
GB786135A true GB786135A (en) 1957-11-13

Family

ID=6698961

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1761/56A Expired GB786135A (en) 1956-01-18 1956-01-18 Substituted cyclopentyl compounds

Country Status (1)

Country Link
GB (1) GB786135A (en)

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