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One‐Pot Multicomponent Synthesis of Pyrrolo[1,2‐ a ]pyrazines in Water Catalyzed by Fe 3 O 4 @SiO 2 ‐OSO 3 H
Author(s) -
Rostami Hedieh,
Shiri Lotfi
Publication year - 2018
Publication title -
chemistryselect
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 34
ISSN - 2365-6549
DOI - 10.1002/slct.201802759
Subject(s) - catalysis , ethylenediamine , scanning electron microscope , pyrazine , nuclear chemistry , spectroscopy , solvent , materials science , energy dispersive x ray spectroscopy , chemistry , analytical chemistry (journal) , inorganic chemistry , organic chemistry , physics , composite material , quantum mechanics
An effective and green one‐pot multicomponent reaction for the synthesis of pyrrolo[1,2‐ a ]pyrazine derivatives by Fe 3 O 4 @SiO 2 ‐OSO 3 H as a reusable magnetic nanocatalyst has been reported. Pyrrolo[1,2‐ a ]pyrazine derivatives are achieved reaction among ethylenediamine, dialkylacetylenedicarboxylates and β ‐nitrostyrene derivatives in water as a green solvent with high to excellent yields. This catalyst was characterized by FT‐IR, SEM (scanning electron microscopy), EDX (energy dispersive X‐ray spectroscopy), VSM (vibrating sample magnetometry) and XRD (X‐ray diffraction) techniques.