Preparation and Application of Nano-AlPO4/ Ti (IV) as a New and Recyclable Catalyst for the Four-Component Synthesis of Dihydropyrano[2,3-c]Pyrazoles

نویسندگانMaryam Mehravar, Bi Bi Fatameh Mirjalili, Elaheh Babaei, Abdolhamid Bamoniri
نشریهPOLYCYCL AROMAT COMP
ضریب تاثیر (IF)ثبت نشده
نوع مقالهFull Paper
تاریخ انتشار2020-12-09
رتبه نشریهعلمی - پژوهشی
نوع نشریهالکترونیکی
کشور محل چاپایران
نمایه نشریهSCOPUS ,JCR

چکیده مقاله

In this work, nano-AlPO4/Ti(IV) (NAPT) as a new nanocomposite was pre-pared and then characterized by FT-IR, XRD, FESEM, TEM, BET and TGA. This nano-catalyst was used for synthesis of dihydropyrano[2,3-c]pyrazole (DHPP) derivatives by one-pot four component reaction of aldehyde, ethyl acetoacetate, malononitrile and hydrazine hydrate. An uncomplicated work-up, high yields of product, short reaction times and use of low-cost catalyst are considerable properties of present procedure.

tags: Dihydropyrano[23-c]pyra-zole; Lewis acid; multicomponent reaction; nano-AlPO4/Ti(IV); pyranopyrazole