| pubmed-article:17728892 | pubmed:abstractText | Fluorine-metal exchange reaction of 2,3,4,4,4-pentafluorocrotonates with organocuprate derived from Grignard reagent and CuCN takes place efficiently to generate the beta-metallated tetrafluorocrotonate intermediate, which reacts with various electrophiles to give beta-substituted 2,4,4,4-tetrafluorocrotonates. | lld:pubmed |
