申请人:Kissei Pharmaceutical Co., Ltd.
公开号:US05023261A1
公开(公告)日:1991-06-11
Benzofuro[3,2-c]quinoline compounds of the general formula: ##STR1## wherein (1) each of R.sup.1 and R.sup.2 is the same, and represent a group of the formula of --OR.sup.3 in which R.sup.3 represents a carbamoyl group, an N-mono-alkylcarbamoyl group, an N,N-dialkylcarbamoyl group, an alkylsulfonyl group, a formyl group or an aliphatic acyl group which may have an alkoxycarbonyl group as a substituent; m represents zero, 1 or 2; n represents zero or 1; with the proviso that n is not zero when m is zero, (2) each of R.sup.1 and R.sup.2 is different, and represent a hydroxy group or an N,N-di-alkylcarbamoyloxy group; m represents 1 or 2; n represents 1, possess a strong inhibitory action on bone resorption and a stimulatory effect on ossification. Some benzofuro[3,2-c]quinoline compounds of the above general formula also possess a stimulatory effect on longitudinal bone growth, and thus are useful for the prevention or treatment of osteoporosis.
苯并呋喃[3,2-c]喹啉化合物的一般式:##STR1##其中(1)R.sup.1和R.sup.2中的每一个相同,表示具有--OR.sup.3的式的基团,其中R.sup.3表示羰胺基、N-单烷基羰胺基、N,N-二烷基羰胺基、烷基磺酰基、甲酰基或可能具有烷氧羰基取代基的脂肪酰基;m表示零、1或2;n表示零或1;但当m为零时n不为零,(2)R.sup.1和R.sup.2中的每一个不同,表示羟基或N,N-二烷基羰胺氧基;m表示1或2;n表示1,对骨吸收具有强烈的抑制作用并对骨化有促进作用。上述一般式的一些苯并呋喃[3,2-c]喹啉化合物还对纵向骨生长具有促进作用,因此对于预防或治疗骨质疏松症是有用的。