Two equivalents of reagent was employed. All yields are based upon crude products which were> 95% pure by NMR This compound unless otherwise noted. gave spectroscopic data. identical with those reported in the literature. e Yields were determined by NMR. f Days. For previous preparation (s) of these products, see the indicated reference (s). prompt us to detail our observations on electrophile-as-sisted ring-opening reactions of cyclopropyl ...
