申请人:Hoffmann-La Roche Inc.
公开号:US04996358A1
公开(公告)日:1991-02-26
Compounds of the formula ##STR1## wherein A is a group of the formula HN(OH)--CO-- or HCO--N(OH)--; R.sup.1 is a C.sub.2 -C.sub.5 -alkyl; R.sup.2 is the characterizing group of a natural .alpha.-amino acid in which any functional group present may be protected, any amino group present may be acylated and any carboxyl group present may be amidated, with the proviso that R.sup.2 is not hydrogen or methyl; R.sup.3 is hydrogen, amino, hydroxy, mercapto, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.6 -alkylamino, C.sub.1 -C.sub.6 -alkylthio or aryl-(C.sub.1 -C.sub.6 -alkyl), or amino-(C.sub.1 -C.sub.6 -alkyl), hydroxy-(C.sub.1 -C.sub.6 -alkyl), mercapto-(C.sub.1 -C.sub.6 -alkyl) or carboxy-(C.sub.1 -C.sub.6 -alkyl) in which the amino, hydroxy, mercapto or carboxyl group may be protected, the amino group may be acylated or the carboxyl group may be amidated; R.sup.4 is hydrogen or methyl; R.sup.5 is hydrogen or a C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkoxy-C.sub.1 -C.sub.6 -alkyl, di(C.sub.1 -C.sub.6 -alkoxy)-methylene, carboxyl, (C.sub.1 -C.sub.6 -alkyl)-carbonyl, (C.sub.1 -C.sub.6 -alkoxy)carbonyl, arylmethoxycarbonyl, (C.sub.1 -C.sub.6 -alkyl)aminocarbonyl or arylaminocarbonyl; and R.sup.6 is hydrogen or methyl; or R.sup.2 and R.sup.4 taken together are a group of the formula --(CH.sub.2).sub.n -- in which n is a number from 4 to 11; or R.sup.4 and R.sup.6 taken together are a trimethylene; and pharmaceutically acceptable salts of those compounds which are acidic or basic are described. The compounds of formula I possess collagenase inhibitory activity and can be used in the control or prevention of degenerative joint diseases.
化合物的式子为##STR1##其中A是式子HN(OH)--CO--或HCO--N(OH)--的基团;R.sup.1是C.sub.2-C.sub.5-烷基;R.sup.2是天然α-氨基酸的表征基团,在其中任何存在的官能团可以被保护,任何存在的氨基团可以被酰化,任何存在的羧基团可以被酰胺化,但R.sup.2不是氢或甲基;R.sup.3是氢、氨基、羟基、巯基、C.sub.1-C.sub.6-烷基、C.sub.1-C.sub.4-烷氧基、C.sub.1-C.sub.6-烷基氨基、C.sub.1-C.sub.6-烷基硫醇或芳基-(C.sub.1-C.sub.6-烷基),或氨基-(C.sub.1-C.sub.6-烷基)、羟基-(C.sub.1-C.sub.6-烷基)、巯基-(C.sub.1-C.sub.6-烷基)或羧基-(C.sub.1-C.sub.6-烷基),其中氨基、羟基、巯基或羧基团可以被保护,氨基团可以被酰化或羧基团可以被酰胺化;R.sup.4是氢或甲基;R.sup.5是氢或C.sub.1-C.sub.6-烷基、C.sub.1-C.sub.6-烷氧基-C.sub.1-C.sub.6-烷基、二(C.sub.1-C.sub.6-烷氧基)-亚甲基、羧基、(C.sub.1-C.sub.6-烷基)-羰基、(C.sub.1-C.sub.6-烷氧基)羰基、芳基甲氧羰基、(C.sub.1-C.sub.6-烷基)氨基羰基或芳基氨基羰基;R.sup.6是氢或甲基;或R.sup.2和R.sup.4一起是式子--(CH.sub.2).sub.n--,其中n是4到11的数字;或R.sup.4和R.sup.6一起是三亚甲基;并描述了这些化合物的酸性或碱性的药物可接受的盐。式I的化合物具有胶原酶抑制活性,并可用于控制或预防退行性关节疾病。