申请人:Imperial Chemical Industries PLC
公开号:US05236948A1
公开(公告)日:1993-08-17
The invention concerns sulphonamide derivatives of the formula I ##STR1## wherein R.sup.1 includes (1-4C)alkyl; R.sup.2 and R.sup.3 together form --A.sup.2 --X.sup.2 --A.sup.3 -- which defines a ring having 5 to 7 ring atoms, wherein A.sup.2 and A.sup.3 each is (1-3 C)alkylene and X.sup.2 is oxy, thio, sulphinyl or sulphonyl; A.sup.1 is a direct link to X.sup.1 or is (1-3 C)alkylene; X.sup.1 is oxy, thio, sulphinyl, sulphonyl or imino; Ar is optionally substituted phenylene or Ar is pyridylene; Q is nitrogen or of the formula CR.sup.7, wherein R.sup.7 includes hydrogen, halogeno, (1-4 C)alkyl and (1-4 C)alkoxy; each of R.sup.4 and R.sup.5 is (1-4 C)alkyl, (3-4 C)alkenyl, (3-4 C)alkynyl or optionally substituted phenyl, benzyl or pyridyl, or R.sup.5 may be hydrogen; and R.sup.6 has any of the meanings defined for R.sup.7 ; or a pharmaceutically-acceptable salt thereof; processes for their manufacture; pharmaceutical compositions containing them and their use as 5-lipoxygenase inhibitors.
这项发明涉及公式I的磺胺基衍生物,其中R.sup.1包括(1-4C)烷基;R.sup.2和R.sup.3一起形成--A.sup.2--X.sup.2--A.sup.3--,定义具有5到7个环原子的环,其中A.sup.2和A.sup.3各自是(1-3 C)烷基和X.sup.2是氧、硫、亚硫酰基或磺酰基;A.sup.1是直接连接到X.sup.1或是(1-3 C)烷基;X.sup.1是氧、硫、亚硫酰基、磺酰基或亚胺;Ar是可选择取代的苯基或Ar是吡啶基;Q是氮或公式CR.sup.7,其中R.sup.7包括氢、卤素、(1-4 C)烷基和(1-4 C)烷氧基;R.sup.4和R.sup.5中的每一个是(1-4 C)烷基、(3-4 C)烯基、(3-4 C)炔基或可选择取代的苯基、苄基或吡啶基,或R.sup.5可以是氢;而R.sup.6具有R.sup.7定义的任何含义;或其药学上可接受的盐;其制备方法;含有它们的药物组合物以及它们作为5-脂氧合酶抑制剂的用途。