The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 20, 1977
Filed:
Apr. 30, 1975
Takeda Chemical Industries, Ltd., Osaka, JA;
Abstract
There is disclosed a novel heterocyclic compound of the general formula: ##STR1## wherein each of R.sup.1 and R.sup.2 represents hydrogen atom, or an alkyl group which may be substituted by alkyl-substituted amino, hydroxy or alkoxy group, or R.sup.1 and R.sup.2 may form a heterocyclic ring together with the nitrogen atom adjacent thereto; R.sup.3 represents hydrogen atom or a lower alkyl group; P.sub.y represents a pyridyl group; B represents a lower alkylene group which may have lower alkyl group as a substituent; Y represents oxygen atom, sulfur atom or --NH-- group; and ring A is either unsubstituted or substituted by halogen atom, nitro, lower alkyl, lower alkoxy or polyhalo-lower alkyl group. This class of compounds is found to be useful as medicine in human and animal therapy, which act on the central nervous system, for example, muscle relaxants, anticonvulsants, sedatives, minor tranquilizers. There is also disclosed intermediates for the production of said compound.