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。