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:
Oct. 29, 1985
Filed:
Jul. 12, 1982
Dante Nardi, Milan, IT;
Alberto Tajana, Milan, IT;
Renzo Pennini, Milan, IT;
Pietro Cazzulani, Casal Pusterlengo, IT;
Gabriele Graziani, Arese, IT;
Silvano Casadio, Milan, IT;
Recordati S.A., Chemical & Pharmaceutical Company, Chiasso, CH;
Abstract
Novel 3-methylflavone-8-carboxylates having the structural formula (I): ##STR1## wherein Z is N-methylpiperidinyl, tropinyl or quinuclidinyl, or a group having the structural formula (II): ##STR2## in which n is 0 or 1, R is hydrogen or alkyl having from 1 to 4 carbon atoms, or phenyl, R.sub.1 is hydrogen or alkyl having from 1 to 4 carbon atoms, R.sub.2 is hydrogen or hydroxy, and further wherein R, R.sub.1 and R.sub.2 may together form, with the carbon atoms from which they depend, a cycloalkyl ring having from 4 to 6 carbon atoms, and R.sub.3 is hydrogen or alkyl having from 1 to 4 carbon atoms, with the proviso that R, R.sub.1, R.sub.2 and R.sub.3 cannot at the same time all be hydrogen, and the pharmaceutically acceptable salts thereof, are effective smooth muscle relaxants, calcium blockers, anaesthetics and anti-inflammatories.