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:
May. 08, 1990
Filed:
Dec. 16, 1988
Roger Crossley, Reading, GB;
Kenneth Heatherington, Burnham, GB;
John Weyth & Brother Limited, Maidenhead, GB;
Abstract
The invention provides a compound of formula III ##STR1## or an acid addition salt thereof, wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 are the same or different and represent hydrogen or lower alkyl, cycloalkyl, lower aralkyl or phenyl radicals any of which radicals may be substituted by lower alkyl, lower alkoxy or trifluoromethyl or R.sup.2 and R.sup.3 taken together, form a 5, 6 or 7 membered saturated ring, R.sup.4 and R.sup.5 may also represent lower alkoxy or cycloalkoxy, n is 1, 2 or 3 and, if more than one R.sup.4 radical is present the R.sup.4 radicals may be the same or different and esters of carboxylic acids with the hydroxy group shown, wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and n are as defined above, with the provisos that (1) R.sup.6 and R.sup.7 are other than hydrogen when R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are all hydrogen and (2) R.sup.6 and R.sup.7 are not both methyl when R.sup.4 is methyl. Compounds III are intermediates for other compounds with anti-ulcer or anti-secretory activity. Some of the compounds III are intermediates for anti-inflammatory agents.