共查询到1条相似文献,搜索用时 0 毫秒
1.
Samaneh Behravesh Reza Fareghi-Alamdari Rashid Badri 《Polycyclic Aromatic Compounds》2018,38(1):51-65
Sulfonated reduced graphene oxide (RGO-SO3H) was found to be an efficient catalyst for one-pot synthesis of a class of 2-amino-3-cyano-7-hydroxy-4H-chromenes derivatives using multicomponent reaction (MCR) of phenols, aldehydes and malononitrile under mild and green conditions. The reaction was performed in water as a green solvent and range of 2-amino-3-cyano-7-hydroxy-4H-chromenes were obtained in good to excellent yields. The RGO-SO3H was reusable at least 5 times without significant decrease in its catalytic activity. 相似文献