NDLI: Asymmetric catalysis by chiral salen complexes immobilized on mesoporous materials having modified pore channel system by dimethylcarbonate

Content Provider	Springer Nature Link
Author	Kawthekar, Rahul B. Lee, Young Hee Kim, Geon Joong
Copyright Year	2008
Abstract	The mesoporous materials having bimodal pore structure were synthesized by treatment of dimethylcarbonate (DMC) in the presence of metal salts as a catalyst. The pore system was characterized by BET, TEM analysis and by comparing the catalytic activity under the same conditions. The chiral (salen) Co-MX$_{3}$ immobilized on SBA-15 and MCM-48 which were partially desilylated by DMC showed higher activity for the enantioselective kinetic resolution of terminal epoxides with H$_{2}$O and phenols, relative to original SBA-15 and MCM-48 having regular pore channels. The heterogeneous catalysts can offer practical advantages of the facile separation from reactants and products, as well as recovery and reuse.
Starting Page	367
Ending Page	378
Page Count	12
File Format	PDF
ISSN	13802224
Journal	Journal of Porous Materials
Volume Number	16
Issue Number	4
e-ISSN	15734854
Language	English
Publisher	Springer US
Publisher Date	2008-05-16
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Polymeric chiral salen SBA-15 Asymmetric ring opening Resolution Physical Chemistry Characterization and Evaluation of Materials Catalysis
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Materials Science Mechanical Engineering

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Asymmetric catalysis by chiral salen complexes immobilized on mesoporous materials having modified pore channel system by dimethylcarbonate