发明授权
US5237089A Nitro or amino substituted phenylalkyl or phenylalkenyl carboxylic acid derivatives 失效
硝基或氨基取代的苯基烷基或苯基烯基羧酸衍生物

Nitro or amino substituted phenylalkyl or phenylalkenyl carboxylic acid
derivatives
摘要:
N-substituted 3,4,5,6-tetrahydrophthalimides and their intermediates of the general formula I ##STR1## where A is --NO.sub.2, --NH.sub.2 or ##STR2## corresponding to the compounds Ia, Ib and Ic, B is --CH.sub.2 --, --CH.sub.2 --CHR.sup.1 --, --CH.sub.2 --CHR.sup.1 --CH.sub.2 --, --CH.dbd., --CH.dbd.CR.sup.1 -- or --CH.dbd.CR.sup.1 --CH.dbd., R.sup.1 being --H, --Cl, --Br or --CH.sub.3, D is ##STR3## or .dbd.C
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