反应详情

A sample of 12 g. of 4,4,6-trimethyl-2,3,4,5-tetrahydropyrimidine and 1.0 g. of W-2 Raney nickel were heated under a hydrogen atmosphere at 178° C. for 18 hrs. to yield 4,4,6-trimethyl-3,4,5,6-tetrahydropyrimidine identical to the product described in example 1.