A novel route to 6-substituted and 5,6-d
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Fabio Bellina; Matteo Biagetti; Adriano Carpita; Renzo Rossi
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Article
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2001
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Elsevier Science
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French
โ 76 KB
6-Alkyl-and 6-(1-alkenyl)-5-iodo-2-pyrones, which are available as major products by reaction of the corresponding (Z)-2-en-4-ynoic acids with iodine and NaHCO 3 in CH 3 CN, undergo insertion of activated zinc metal into their carbon iodine bond to provide the corresponding 5-(iodozinc)-2-pyrones. H