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In an  analogous manner  there  are obtained from  the
corresponding nitro compound by  reduction:

4-(4’-aminophenyl) -2,6-dirnethyl-3,5-dicarbomethoxy-1,4- dihydropyridine, M.P. 198°C. (HCl-salt, M.P.
228° C.),
4-(4’  - aminophenyl) -2,6-dimethyl-3,5-dicarbethoxy-1,4- dihydropyridine, M.P. 148°  C.,
4-(4’-aminophenyl) -2,6-dimethyl-3,5-dicarbo-tert.-butoxy-
1,4-dihydropyridine,  M.P. 191°  C .,
4-(3’-aminophenyl) -2,6-dimethyl-3,5-dicarbomethoxy- 1,4- 70
dihydropyridine, M.P. 214° C.  to  216° C.,
4-3’-aminophenyl)-2,6-dimethyl-3,5-dicarbethoxy-1,4-di- hydropyridine, M.P. 151°  C.—153°  C.,
4-(3’-aminophenyl)-2,6-dimethyl 3,5  dicarbo isopropoxy -
1,4 dthydropyridine M P >250° C
4-(2’-aminophenyl) -2,6-dimethyl-3,5-dicarbomethoxy 1 4 dihydropyridine, M.P. 170° C.,
4- (2’-aminophenyl) -2,6-dimethyl-3,5-dicarbethoxy-1,4  di hydropyridine, M.P. 149°  C.—15 1°  C.,
4  -  (3’  -  amino - 4’-chlorophenyl)-2,6-dimethyl-3,5-dicai
bethoxy-l,4-dihydropyridine, M.P. 215° C.  (HCI  salt
4 -  (3’ - amino-6’-chlorophenyl)-2,6-dimethyl-3,5-dicarbo methoxy-l,4-dihydropyridine,  M.P. 209° C.  to  210° C
4- (3’ - amino - 6’ - chlorophenyl)-2,6-dimethyl-3,5-dicar bethoxy-1,4-dihydropyridine,  M.P. 166° C.  to 168° (HCI  salt M.P. 242° C.  to  244° C.)

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