Unprecedented reactivity pattern of chromium fischer carbene complexes. Direct application to one-pot synthesis of 4-aryl-3,4-dihydrocoumarins on a multigram scale |
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| Authors: | Barluenga José Andina Facundo Aznar Fernando |
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| Affiliation: | Instituto Universitario de Química Organometalica Enrique Moles, Unidad Asociada al CSIC, Universidad de Oviedo, Spain. barluenga@uniovi.es |
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| Abstract: | [reaction: see text] Reaction of alkenyl carbene chromium(0) complexes and ketene acetals triggers the formation of 4-aryl-3,4-dihydrocoumarins. The reaction can be carried out as a simple one-pot protocol in air atmosphere. The huge interest of dihydrocoumarins has prompted us to optimize a multigram-scale process. |
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