Catalytic conjugate additions of nitrogen-, phosphorus-, and carbon-containing nucleophiles by amphoteric vanadyl triflate |
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| Authors: | Lin Yow-Dzer Kao Jun-Qi Chen Chien-Tien |
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| Institution: | Department of Chemistry, National Taiwan Normal University, Taipei, Taiwan 11650. |
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| Abstract: | A series of carbamates, amides, N-tosyl amides, (hetero)arenes, and hydrogen phosphines/phosphites has been examined as nucleophiles for (hetero)Michael-type additions to enones and enamides catalyzed by amphoteric vanadyl triflate under mild and neutral conditions. The newly developed C-N, C-P, and C-C bond-formation protocols were carried out smoothly in good to high yields without intervention of any 1,2-additions. |
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