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Search results for: *dipolar cycloaddition
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... mechanism, which involves a 1,3-dipolar cycloaddition, is discussed. see article ... more examples proposed mechanism Novel Pyridine-Catalyzed Reaction of Dimethyl Acetylenedicarboxylate with Aldehydes and N-Tosylimines: ...
... 10.1055/s-2003-44354 Abstract A 1,3-dipolar cycloaddition of phenyl vinylic selenide to nitrile ... and subsequent oxidation-elimination furnished 3-substituted isoxazoles with good yields in a one-pot, two-step transformation ...
... trimethylamine N-oxide undergoes a remarkable 1,3-dipolar cycloaddition with electron-rich and unpolarized olefins to ... challenging 3,4-disubstituted pyrrolidines in good yield. A broad range of substituents on ...
... that an organocatalyst could also mediate the dipolar cycloaddition of a diazo ester 18 to ... unsaturated aldehyde, to give 19 with high diastereo- and enantiocontrol. Francesco Fini ...
... , sulfonyl radical addition, 1,3-dipolar cycloaddition of TMSN3, and retro-1, ... cycloaddition. see article for more examples proposed mechanism Key Words amidines ( C= ...
... 137. Key Words: 1,3-DIPOLAR CYCLO-ADDITIONS/DIELS-ALDER REACTIONS/CONJUGATED NITRO ... Denmark, G. Beutner, in Cycloaddition Reactions in Organic Synthesis (Eds. ...
... 2) cycloaddition of alkynyl esters as dipolarophiles with vinyl epoxides provides chiral dihydrofurans in ... Palladium-Catalyzed Asymmetric (3+ 2) Cycloaddition of Vinyl Epoxides with Substituted Propiolates. ...
A Facile Approach to the Synthesis of 3-Acylisoxazole Derivatives with Reusable Solid Acid Catalysts
... . A subsequent in situ 1,3-dipolar cycloaddition to alkynes provides 3-acylisoxaszoles in very ... yields. The heterogeneous catalysts can easily be recovered and reused. see article for ...
... Benzotriazoles , Click Chemistry , 1,3-dipolar Cycloaddition ID: J54-Y2008-1590 ...
... , benzo-fused N-Heterocycles , Huisgen 1,3-dipolar Cycloaddition ID: J42-Y2012-0540 ...