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US Patent 3960927 - Olefinic derivatives of amino acids

US Patent Issued on June 1, 1976
Estimated Patent Expiration Date: Icon_subject June 1, 1993Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
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Abstract

Novel compounds of the following general formula are useful pharmacologic agents: ##EQU1## R is selected from hydrogen, alkylcarbonyl wherein the alkyl moiety contains from 1 to 4 carbon atoms, alkoxycarbonyl wherein the alkoxy moiety contains from 1 to 4 carbon atoms and may be straight or branched, and ##EQU2## wherein R10 is selected from hydrogen, a straight or branched lower alkyl group of from 1 to 4 carbon atoms, benzyl and p-hydroxybenzyl; R2 is selected from hydroxy, a straight or branched alkoxy group of from 1 to 8 carbon atoms, a lower alkylamino group wherein the alkyl moiety contains from 1 to 4 carbon atoms, and ##EQU3## wherein R4 is selected from hydrogen, a straight or branched lower alkyl group of from 1 to 4 carbon atoms, benzyl, and p-hydroxybenzyl; R3 is selected from hydrogen, chlorine, bromine, and iodine; [A] is selected from ##EQU4## AND --CH=CH-- wherein R1 is selected from hydrogen, lower alkyl of from 1 to 4 carbon atoms, phenyl and substituted phenyl wherein the substituents on the substituted phenyl may be attached at the ortho, meta or para positions of the phenyl ring and are selected from halogen, lower alkoxy of from 1 to 4 carbon atoms, and lower alkyl of from 1 to 4 carbon atoms; n is an integer of from 1 to 5; and the lactams of said compounds wherein [A] represents ##EQU5## R and R1 represent hydrogen and n is the integer 2 or 3 and pharmaceutically acceptable salts and individual optical isomers thereof.

Inventors

Assignee

Application

No. 559544 filed on 03/18/1975

US Classes:

560/38, The nitrogen is in same side chain as ester function514/909, OBESITY544/358, Piperazines (i.e., fully hydrogenated 1,4-diazines)544/403, Carbocyclic ring containing546/245, Having -C(=X)-, wherein X is chalcogen, bonded directly to the piperidine ring548/543, Chalcogen bonded directly to a ring carbon of the five-membered hetero ring which is adjacent to the ring nitrogen (e.g., 2-pyrrolidones, etc.)556/413, Nitrogen attached indirectly to silicon by nonionic bonding560/161, Halogen in acid moiety560/172, Halogen or unsaturation in acid moiety560/29, Oxy in acid moiety560/30, Halogen in acid moiety562/443, In same chain as carboxyl, or salt thereof562/450, Amide562/561, Plural nitrogens562/567, Oxy, aldehyde, or ketone562/574, Halogen or unsaturation564/157, Amino nitrogen, not bonded directly to carbonyl, containing564/159, Acyclic564/164, The substituent nitrogen is an amino nitrogen attached indirectly to a ring by acyclic nonionic bonding564/165, Hydroxy, bonded directly to carbon, or ether in substituent Q (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal)564/197The compound is acyclic

Examiners

Primary: Evans, Joseph E.

Attorney, Agent or Firm

US Patent References

2460708, 2531595, 2588969, 3223729

International Class

C07C 237/00 (20060101)

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