Effects of reaction time, the ratios of substrates and initiators on the selectivities andyields of the products are;tudied and the mechanism of these reactions is also discussed.

• 在这一反应中，考察了反应时间、底物的比例、引发剂的种类及用量对转化率和产物的选择性的影响，并对反应的机理进行了探讨。