ENE-TYPE REACTION OF "ACTIVATED SULFOXIDE" WITH NON ACTIVATED OLEFIN. COUNTER-ION DEPENDENT (1,2)- VS.SHIFT DICHOTOMY OF YLIDES DERIVED FROM ALLYLSULFONIUM SALTS

Article abstract of DOI:10.1016/S0040-4039(00)82417-X

Lithium perchlorate-accelerated ene-type reaction of an "activated sulfoxide" with non activated trisubstituted olefin to give respective allylsulfonium salt and counter-ion dependent (1,2)-vs.<3,2>rearrangement of the ylide generated from this salt are d