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:
Dec. 29, 1987
Filed:
Mar. 17, 1986
Ugo Scarponi, Arese, IT;
Anna M Lazzarini, Seregno, IT;
Daniela Toti, Bettola, IT;
Roberto de Castiglione, Milan, IT;
Farmitalia Carlo Erba S.p.A., Milan, IT;
Abstract
A process for preparing compounds of the formula I ##STR1## wherein either (i) each of R.sub.1 and R.sub.2 independently represents H or an organic group, or (ii) NR.sub.1 R.sub.2 is a heterocyclic ring or (iii) R.sub.2 is H and R.sub.1 is ##STR2## wherein each of R.sub.6 and R.sub.7 independently represents H or an organic group, m is 1 or 2, n is 0-3, X is O, S, NH, NR.sub.8, CHNO.sub.2 or CHSO.sub.2 R.sub.4 wherein R.sub.8 and R.sub.4 are organic groups and R.sub.3 represents an organic group is characterized by the following reaction sequence: ##STR3## There are also provided new compounds of the formula I wherein n is 0 and m is 2 and pharmaceutical compositions containing them. These compounds and their pharmaceutically acceptable acid addition salts are active as anti-ulcer agents.