33 80 90 17 49 22 74/26 25 a All experiments were run with 100 mmol of PFS and 30 mL of benzene in a 200-mL stainless steel autoclave.(mol PFS)/(g-atom of metal). Initial pressure at room temperature. Determined by GLC. dependency of regioselectivity in the present reaction is extremely remarkable compared with that for propene, Le., the reported regioselectivities in the formation of butanal using cobalt, platinum, ruthenium and ...