“…, '-dialkylarylmethyl hydroperoxides (507), phthaloyl peroxide (511), acrylyl and cyclic succinyl peroxides (375), peroxides of vinylcyclopentene (68), 0-hydroxydialky] peroxides (53), pinacolone peroxide (376), and alkyltetrahydronaphthalene hydroperoxide (411)• Reynolds, Wicklatz, and Kennedy (418) for ethylene polymerizations. Hvdrazo compounds (241) and diazosulfones (491) were found to be effective in catalyzing ethenic polymerizations.…”