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Schlagwörter:
TOSYLHYDRAZONE INSERTION REACTION; U-SHAPED TEMPLATE; PALLADIUM(II) COMPLEX; NORBORNENE; VINYLARENES; ACTIVATION; PD; HALIDES; HETEROCYCLES; OLEFINATION
Zusammenfassung:
We report the first example of ipsoborylation for the modular 1,2-bisfunctionalization of aryl iodides via C-H functionalization. The carbon-boron bond is used as a lynchpin to access ipso carbon-carbon, carbon-nitrogen, carbon oxygen, and carbon-halogen (Cl, Br, I) bonds. The utility of our methodology is illustrated through quick, modular syntheses of the pharmaceuticals Abilify and Flunixin.