A magnetically-separable H 3 PW 12 O 40 @Fe 3 O 4 /EN-MIL-101 catalyst for the one-pot solventless synthesis of 2H-indazolo[2,1- b ] phthalazine-triones
作者： Alireza Hashemzadeh , Mostafa M Amini , Reza Tayebee , Atefeh Sadeghian , Lee J Durndell
DOI: 10.1016/J.MCAT.2017.07.010
关键词:
摘要: A magnetic inorganic-organic catalyst, PTA@Fe3O4/EN-MIL-101 (EN = ethylenediamine, PTA phosphotungstic acid) was fabricated and characterized by XRD, HRTEM, FESEM, UV–vis, TGA-DTA, FT-IR, XPS porosimetry. retained the parent Keggin structure upon dispersion throughout amine-functionalized chromium terephthalate metal-organic framework, over which Fe3O4 nanoparticles were previously introduced. The resulting composite heterogeneous solid acid an active catalyst for one-pot synthesis of diverse 2H-indazolo[2,1-b] phthalazine-triones in good → excellent yields under mild, solventless condition, offers facile separation recyclability.
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