反应详情

0.2 mol of diphenylthiourea, 75 g of methanol, 75 g of water, and 2.6 mol of ammonia are reacted at 50° C. with oxygen (1.5 bar), during which different amounts of Cu(OAc)2 are employed. The other experimental conditions and diphenyl-guanidine yields are listed in Table 5.