申请人:Sankyo Company, Limited
公开号:US05614521A1
公开(公告)日:1997-03-25
A compound of the formula (I): ##STR1## wherein R.sup.1 is an unsubstituted or substituted amino group, a protected amino group, or a nitro group; R.sup.2 is an unsubstituted or substituted amino group, a protected amino group, an unsubstituted or substituted hydroxy group or a protected hydroxy group; R.sup.3 is an unsubstituted or substituted amino group, m is 0 to 2; n is 0 to 6; with the proviso that when m is 0, then n is an integer from 2 to 6, and pharmaceutically acceptable salts thereof. Compounds of formula (I) except those wherein R.sup.1 is a nitro group have activity in promoting the production of nerve growth factor.
化合物的化学式(I):其中R.sup.1是未取代或取代的氨基团、保护的氨基团或硝基团;R.sup.2是未取代或取代的氨基团、保护的氨基团、未取代或取代的羟基团或保护的羟基团;R.sup.3是未取代或取代的氨基团,m为0至2;n为0至6;但当m为0时,n为2至6的整数,以及其药学上可接受的盐。化合物的化学式(I),除了R.sup.1为硝基团的化合物外,均具有促进神经生长因子产生的活性。