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Application of Immobilized Proline on CNTs and Proline Ionic Liquid as Novel Organocatalysts in the Synthesis of 2‐Amino‐4 H ‐pyran Derivatives: A Comparative Study between Their Catalytic Activities
Author(s) -
Hajipour Abdol R.,
Khorsandi Zahra
Publication year - 2017
Publication title -
chemistryselect
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 34
ISSN - 2365-6549
DOI - 10.1002/slct.201700847
Subject(s) - ionic liquid , proline , catalysis , pyran , amination , carbon nanotube , reusability , chemistry , reductive amination , amino acid , organic chemistry , combinatorial chemistry , chemical engineering , materials science , nanotechnology , biochemistry , software , computer science , engineering , programming language
The [BMIm][Pro] and Pro/MWCNTs (proline which supported on multi walled carbon nanotube) was synthesized and their activities in synthesis of various derivatives of 2‐amino‐4 H ‐pyrans in green media and room temperature conditions was investigated and compared. All the reactions resulted in moderate to excellent yields; however, reactions using Pro/MWCNTs catalyst were completed in relatively shorter reaction times. A novel heterogeneous Pro/MWCNTs was developed using immobilization of proline on MWCNTs via direct grafting amination approach for the first time. The reusability of two catalytic systems was also investigated.