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Facile preparation of bi-functional iron doped mesoporous materials and their application in the cycloaddition of CO2
Mesoporous material Cationic polymers Acid-base catalyst Cycloaddition reaction Cyclic carbonate
2023/6/19
Two kinds of bi-functional transition metal doped mesoporous materials (Fe-HMS and Fe-MCM-41) are prepared using one-step hydrothermal method and then treated with hydrochloric acid ethanol solution. ...
Synthesis of Some New Isoxazolidines by 1,3-Dipolar Cycloaddition Reaction of Nitrones and Olefins
Isoxazolidine Nitrones 1,3-Dipolar Cycloaddition
2010/4/20
A series of new isoxazolidines 5a-j were synthesized by 1,3-dipolar cycloaddition reaction of different nitrones with substituted olefins under reflux condition. The yields of products following recry...
Synthesis and Structure of Systems Containing Pyramidalized and Strained Double Bond: An Investigation on the Cycloaddition Reactions of cis- and trans-3,8-dicarbomethoxy-3,8-dihydroheptalene
Synthesis Structure of Systems Containing Pyramidalized Strained Double Bond An Investigation on the Cycloaddition Reactions of cis- trans-3,8-dicarbomethoxy-3,8-dihydroheptalene
2010/6/27
The cycloaddition reactions of cis-3,8-dicarbomethoxy-3,8-dihydroheptalene cis-2 and trans-3,8-dicarbomethoxy-3,8-dihydroheptalene trans-2 with various dienophiles such as dimethyl acetylenedicarboxyl...
Auxiliary Controlled Intramolecular 1,3-Dipolar Cycloaddition Reactions of Chiral Azomethine Ylides
Auxiliary Controlled Intramolecular 1,3-Dipolar Cycloaddition Reactions Chiral Azomethine Ylides
2010/6/29
Intramolecular 1,3-dipolar cycloaddition reactions of chiral azomethine ylides obtained by thermal ring opening of chiral aziridines 7a, b and 8a, b are investigated. Synthesis of these aziridines 7a,...
