申请人:Aktiebolaget Astra
公开号:US05430042A1
公开(公告)日:1995-07-04
The novel compounds of the formula I ##STR1## and physiologically acceptable salts thereof, wherein R.sup.1 and R.sup.2, which are different is each H alkyl containing 1-4 carbon atoms or --C(O)--R.sup.5 ; wherein R.sup.5 is alkyl containing 1-4 carbon atoms or alkoxy containing 1-4 carbon atoms and one of R.sup.1, or R.sup.2 is always selected from the group --C(O)--R.sup.5 ; R.sup.3 and R.sup.4 are the same or different and selected from ##STR2## and --CH.sub.2 CH.sub.2 OCH.sub.3 or R.sup.3 and R.sup.4 together with the adjacent oxygen atoms atached to the pyridine ring and the carbon atoms in the pyridine ring form a ring, wherein the part constituted by R.sup.3 and R.sup.4 is --CH.sub.2 CH.sub.2 CH.sub.2 --, or --CH.sub.2 --CH.sub.2 -- or --CH.sub.2 --; as well as intermediates, pharmaceutical compositions containing such compounds as active ingredient and the use of the compounds in medicine.
该式的新化合物及其生理上可接受的盐,其中R.sup.1和R.sup.2是不同的,分别是含有1-4个碳原子的H烷基或--C(O)--R.sup.5;其中R.sup.5是含有1-4个碳原子的烷基或含有1-4个碳原子的烷氧基,R.sup.1或R.sup.2中的一个始终选择自群--C(O)--R.sup.5;R.sup.3和R.sup.4相同或不同,选择自##STR2## 和--CH.sub.2 CH.sub.2 OCH.sub.3,或者R.sup.3和R.sup.4与连接到吡啶环上的相邻氧原子和吡啶环中的碳原子一起形成一个环,其中由R.sup.3和R.sup.4构成的部分为--CH.sub.2 CH.sub.2 CH.sub.2--,或--CH.sub.2--CH.sub.2--或--CH.sub.2--;以及中间体、含有这种化合物作为活性成分的药物组合物和在医学中使用这种化合物。