4- Chloro-2-butenyl benzyl ether

While y-selectivity is usually 4-chloro-2-butenyl benzyl ether the derived allylindium reagent a An intramolecular reaction ih... 

While y-selectivity is usually observed in reaction with substituted allyl halides (e.g., 4-chloro-2-butenyl benzyl ether"), 3-bromo-3,3-difluoro-l-propene behaves differently as the derived allylindium reagent adds to aldehydes like a,ot-difluoroallyl carbanion. ... 

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