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:
Aug. 29, 1995
Filed:
Mar. 22, 1994
Mario Varasi, Milan, IT;
Philippe Dostert, Paris, FR;
Paolo Pevarello, Pavia, IT;
Alberto Bonsignori, Milan, IT;
Farmitalia Carlo Erba S.r.l., Milan, IT;
Abstract
The invention provides new compounds of formula (I) ##STR1## wherein, subject to a proviso, n is zero or an integer of 1 to 3; each of R and R.sub.1, which may be the same or different, is hydrogen, halogen, trifluoromethyl or C.sub.1 -C.sub.4 alkoxy; R.sub.2 is hydrogen or C.sub.1 -C.sub.4 alkyl optionally substituted by hydroxy; each of R.sub.3 and R.sub.4 independently is hydrogen or C.sub.1 -C.sub.4 alkyl; or a pharmaceutically acceptable salt thereof; and of formula (IA) ##STR2## wherein R.sub.5 is hydrogen, halogen, trifluoromethyl or C.sub.1 -C.sub.4 alkoxy, or a pharmaceutically acceptable salt thereof, which are active on the central nervous system (CNS) and can be used in therapy as anti-epileptics, anti-Parkinson, neuroprotective, antidepressant, anti-spastic and hypnotic agents.