Investigation of Reactions Between Binucleophilic Reagents with 2-(2-Oxindolin-3-ylidene)malononitrile Derivatives
作者:Mohammad Seifi、Hassan Sheibani
DOI:10.2174/1570178611310070004
日期:2013.7.1
Nucleophilic addition of hydrazines and thiosemicarbazide to the 2-(2-oxoindolin-3-ylidene) malononitrile derivatives
1, followed by elimination of malononitrile, lead to 3-(2-arylhydrazono)indolin-2-ones and 1-(2-oxoindolin-3-
ylidene)thiosemicarbzides respectively. Also the reaction of compounds 1 with 4-substituted thiosemicarbazides, followed
by elimination and cyclization, afforded spiro(indolone-3,2´-[1,3,4]thiadiazol)-2-ones. So all of these nucleophilic reactions
with isatin and substituted isatins released the same products.
将
肼和
硫代半缩
氨基
脲对2-(2-氧代
吲哚啉-3-亚基)
丙二腈衍
生物1进行亲核加成后,脱除
丙二腈,分别得到3-(2-芳基亚
肼基)
吲哚啉-2-酮和1-(2-氧代
吲哚啉-3-亚基)
硫代半缩
氨基
脲。同样地,化合物1与4-取代的
硫代半缩
氨基
脲反应后,经过消除和环化,生成螺(
吲哚酮-3,2'-[1,3,4]
噻二唑)-2-酮。综上所述,这些对
靛红和取代
靛红的亲核反应都得到了相同的产物。