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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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yzhang1986
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| 用相似方式是从还原硝基化合物获得: 4 (4 ' - aminophenyl) -2,6-dirnethyl-3,5-dicarbomethoxy-1,4- dihydropyridine, M.P. 198°C. (HCl盐, M.P. 228° C.), 4 (4 ' - aminophenyl) 2,6二甲基3,5 dicarbethoxy 1,4 dihydropyridine, M.P。 148° C., 4 (4 ' - aminophenyl) 2,6二甲基3,5 dicarbo tert。- butoxy- 1,4-dihydropyridine, M.P。 191° C . 4 (3 ' - aminophenyl) 2,6二甲基3,5 dicarbomethoxy 1,4- 70 dihydropyridine, M.P。 214° 对216°的C. C., 4-3'- aminophenyl) - 2,6二甲基3,5 dicarbethoxy 1,4二hydropyridine, M.P。 151° C。- 153° C., 4 (3 ' - aminophenyl) - 2,6二甲基3,5 dicarbo isopropoxy - 1,4 dthydropyridine M P > 250° C 4 (2 ' - aminophenyl) 2,6二甲基3,5 dicarbomethoxy 1 4 dihydropyridine, M.P。 170° C., 4- (2 ' - aminophenyl) 2,6二甲基3,5 dicarbethoxy 1,4 di hydropyridine, M.P。 149° C。- 15 1° C., 4 - (3 ' -氨基- 4 ' -氯苯) - 2,6二甲基3,5 dicai bethoxy-l, 4-dihydropyridine, M.P。 215° C. (HCI盐 4 - (3 ' -氨基6'氯苯) - 2,6二甲基3,5 dicarbo甲氧基l, 4-dihydropyridine, M.P. 209° 对210°的C. C 4- (3 ' -氨基- 6 ' -氯苯) - 2,6二甲基3,5 dicar bethoxy-1,4-dihydropyridine, M.P。 166° C. 168° (HCI盐 M.P. 242° 对244°的C. C.) |
3楼2009-11-16 18:31:11













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