2,3-Butadienoic acid, ethyl ester
Title | Journal |
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DABCO and Bu3P catalyzed [4 + 2] and [3 + 2] cycloadditions of 3-acyl-2H-chromen-ones and ethyl 2,3-butadienoate. | Organic & biomolecular chemistry 20121014 |
Multicomponent reaction to construct spirocyclic oxindoles with a Michael (triple Michael)/cyclization cascade sequence as the key step. | Chemistry (Weinheim an der Bergstrasse, Germany) 20120727 |
Phosphine-catalyzed annulations of azomethine imines: allene-dependent [3 + 2], [3 + 3], [4 + 3], and [3 + 2 + 3] pathways. | Journal of the American Chemical Society 20110831 |
Phosphine- and nitrogen-containing Lewis base catalyzed highly regioselective and geometric selective cyclization of isatin derived electron-deficient alkenes with ethyl 2,3-butadienoate. | Organic letters 20110304 |
Synthesis of functionalized chromans by PnBu3-catalyzed reactions of salicylaldimines and salicylaldehydes with allenic ester. | Organic letters 20101217 |
Phosphine-catalyzed tandem reaction of allenoates with nitroalkenes. | Organic letters 20101105 |
Beyond the aza-Morita-Baylis-Hillman reaction: Lewis base-catalyzed reactions of N-Boc-imines with ethyl 2,3-butadienoate. | The Journal of organic chemistry 20090821 |
A facile synthetic route to 2 H-chromenes: reconsideration of the mechanism of the DBU-catalyzed reaction between salicylic aldehydes and ethyl 2-methylbuta-2,3-dienoate. | Chemistry (Weinheim an der Bergstrasse, Germany) 20070101 |
Aza-Baylis-Hillman reactions of N-tosylated aldimines with activated allenes and alkynes in the presence of various Lewis base promoters. | The Journal of organic chemistry 20051125 |
Regiocontrolled, palladium-catalyzed bisfunctionalization of allenyl esters. Multicomponent coupling approaches to highly substituted alpha,beta-unsaturated delta-lactones. | The Journal of organic chemistry 20050819 |
DABCO-catalyzed reaction of allenic esters and ketones with salicyl N-tosylimines: synthesis of highly functionalized chromenes. | Organic letters 20050707 |
Abnormal aza-Baylis-Hillman reaction of N-tosylated imines with ethyl 2,3-butadienoate and penta-3,4-dien-2-one. | Organic letters 20031127 |
Highly regioselective construction of spirocycles via phosphine-catalyzed [3 + 2]-cycloaddition. | The Journal of organic chemistry 20021213 |