Nonpolar solvent with little dielectric constant has good effcet to the rate of the reaction,while larger polar solvent without H+ also can increase the rate of the reaction.

• 可以知道对甲醇羰基化这一反应，在极性溶剂中，极性较大且为非质子型的溶剂能显著提高反应的速率；在非极性溶剂中，介电常数较小的溶剂能增加反应速率。