5,5 '-Biindole

被引:0
|
作者
Quintanilla-Licea, Ramiro [1 ]
Colunga-Valladares, Juan F. [2 ]
Caballero-Quintero, Adolfo [3 ]
Waksman, Noemi [3 ]
Gomez-Flores, Ricardo [1 ]
Rodriguez-Padilla, Cristina [1 ]
Tamez-Guerra, Reyes [1 ]
机构
[1] Univ Autonoma Nuevo Leon, Fac Ciencias Biol, Pedro Alba S-N,Cd Univ, San Nicolas De Los Garza, Nuevo Leon, Mexico
[2] Univ Autonoma Nuevo Leon, Fac Ciencias Quim, San Nicolas De Los Garza, Nuevo Leon, Mexico
[3] Univ Autonoma Nuevo Leon, Fac Med, San Nicolas De Los Garza, Nuevo Leon, Mexico
关键词
Indoloquinolizine; Antitumor activity; Teuber's reaction; Indole synthesis; H-1-NMR; C-13-NMR;
D O I
10.3390/M474
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Synthesis of 5,5 '-biindole was carried out by the Madelung indole reaction. Under strong basic conditions and high temperatures (350 degrees C), N,N '-bis-formyl-o-tolidine underwent cyclization to produce high amounts of the dimeric indole. Full and unambiguous assignments of all H-1- and C-13-NMR resonances of indole and 5,5 '-biindole in DMSO-d(6) are also reported.
引用
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页数:12
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