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ye5731322

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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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2楼2009-11-16 16:04:10
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toflyfirst

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ye5731322(金币+1,VIP+0):谢谢 11-17 11:11
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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