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Silver catalyzed decarboxylation of α-fluoroacrylic acids to trisubstituted vinyl fluorides.a
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Assay yields from 19F NMR versus PhCF3 are given in brackets, isolated yields are given with no brackets. E/Z isomeric purity of isolated product is given under yields. Isomeric purity determined by 19F NMR.
E/Z ratio degraded from 92:8 to 81:19 during the reaction. The minor isomer was removed by chromatography. For detailed reaction conditions, see the Experimental Section.
