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:
Apr. 23, 1985
Filed:
May. 12, 1983
Michael R Attwood, Hitchin, GB;
Cedric H Hassall, Harpenden, GB;
Robert W Lambert, Welwyn, GB;
Geoffrey Lawton, Hitchin, GB;
Sally Redshaw, Hitchin, GB;
Hoffmann-La Roche Inc., Nutley, NJ (US);
Abstract
Novel compounds of the formula ##STR1## wherein B represents a methylene, ethylene or vinylene group, R.sup.1 represents a hydrogen atom or an alkyl, aralkyl, amino-alkyl, mono-alkylamino-alkyl, dialkylaminoalkyl, acylamino-alkyl, phthalimido-alkyl, alkoxycarbonylamino-alkyl, aryloxycarbonylamino-alkyl, aralkoxycarbonylamino-alkyl, alkylaminocarbonylamino-alkyl, arylaminocarbonylamino-alkyl, aralkylaminocarbonylamino-alkyl, alkylsulphonylamino-alkyl or arylsulphonylamino-alkyl group, R.sup.2 represents a carboxyl, alkoxycarbonyl or aralkoxycarbonyl group or a group of the formula ##STR2## R.sup.3 represents a carboxyl, alkoxycarbonyl or aralkoxycarbonyl group, R.sup.4 and R.sup.5 each represent a hydrogen atom or R.sup.4 and R.sup.5 together represent an oxo group, R.sup.6 and R.sup.7 each represent a hydrogen atom or an alkyl or aralkyl group or R.sup.6 and R.sup.7 together with the nitrogen atom to which they are attached represent a 5-membered or 6-membered heteromonocyclic ring which may contain a further nitrogen atom or an oxygen or sulphur atom, and n stands for zero, 1 or 2, and pharmaceutically acceptable salts thereof have antihypertensive activity and can be used as medicaments in the form of pharmaceutical preparations.