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:
Nov. 09, 1993
Filed:
Nov. 06, 1992
Gianfederico Doria, Milan, IT;
Anna Maria Isetta, Rho, IT;
Rinaldo Ferreccio, Gorgonzola, IT;
Mario Ferrari, Milan, IT;
Maria C Fornasiero, Vigevano, IT;
Domenico Trizio, Cassina Rizzardi, IT;
Farmitalia Carlo Erba Srl, Milan, IT;
Abstract
Heteroaryl-3-oxo-propanenitrile derivatives of formula (I) ##STR1## wherein X represents an oxygen atom or a --CH(R.sub.4)--, --O--CH(R.sub.4)--, --S(O).sub.n --CH(R.sub.4)--, --CH(R.sub.4)--O--, --CH(R.sub.4)--S(O).sub.n -- or --CH(R.sub.4)--CH.sub.2 -- group wherein n is 0, 1 or 2; R.sub.1 represents C.sub.1 -C.sub.6 alkyl, pyridyl or unsubstituted or substituted phenyl; R.sub.2, R.sub.3, and R.sub.4 are as herein defined; and Q is hydrogen, carboxy, C.sub.2 -C.sub.7 -alkoxycarbonyl or a --CON(R.sub.a)R.sub.b group, R.sub.a and R.sub.b being as defined herein; and their pharmaceutically acceptable salts are useful in the preparation of pharmaceutical compositions active in the treatment of autoimmune diseases.