申请人:PLIVA, farmaceutska, kemijska, prehrambena i kozmeticka industrija,
公开号:US05840922A1
公开(公告)日:1998-11-24
The present invention relates to new coumarin derivatives represented by the general formula I ##STR1## wherein R.sup.1 =NH.sub.2 or --NHCH.dbd.C(CO.sub.2 C.sub.2 H.sub.5).sub.2, R.sup.2 =R.sup.3 =R.sup.4 =H, R.sup.5 =F, R.sup.1 =R.sup.3 =NHCH.dbd.C(CO.sub.2 C.sub.2 H.sub.5).sub.2, R.sup.2 =R.sup.4 =R.sup.5 =H, R.sup.1 =H or OH, R.sup.3 =NHCH.dbd.C(CO.sub.2 C.sub.2 H.sub.5).sub.2, R.sup.2 =R.sup.4 =R.sup.5 =H, R.sup.1 =OH, R.sup.2 =R.sup.3 =R.sup.4 =H, R.sup.5 =--NHCH.dbd.C(CO.sub.2 C.sub.2 H.sub.5).sub.2, R.sup.1 =R.sup.3 =R.sup.5 =H, R.sup.2 =CH.sub.3 or CF.sub.3, R.sup.4 =--NHCH.dbd.C(CO.sub.2 C.sub.2 H.sub.5).sub.2, processes for the preparation thereof and their use as intermediates for the synthesis of new coumarin derivatives with potential biological action.
本发明涉及新的香豆素衍生物,其通式为I:##STR1##其中R.sup.1 = NH.sub.2或--NHCH.dbd.C(CO.sub.2C.sub.2H.sub.5).sub.2,R.sup.2 = R.sup.3 = R.sup.4 = H,R.sup.5 = F,R.sup.1 = R.sup.3 = NHCH.dbd.C(CO.sub.2C.sub.2H.sub.5).sub.2,R.sup.2 = R.sup.4 = R.sup.5 = H,R.sup.1 = H或OH,R.sup.3 = NHCH.dbd.C(CO.sub.2C.sub.2H.sub.5).sub.2,R.sup.2 = R.sup.4 = R.sup.5 = H,R.sup.1 = OH,R.sup.2 = R.sup.3 = R.sup.4 = H,R.sup.5 = --NHCH.dbd.C(CO.sub.2C.sub.2H.sub.5).sub.2,R.sup.1 = R.sup.3 = R.sup.5 = H,R.sup.2 = CH.sub.3或CF.sub.3,R.sup.4 = --NHCH.dbd.C(CO.sub.2C.sub.2H.sub.5).sub.2,以及制备它们的过程和它们作为合成具有潜在生物活性的新香豆素衍生物的中间体的用途。