反应详情

Reaction of 2-benzyl-10-hydroxy-5,5,8-trimethyl-1,2,3,4-tetrahydro-5H[1]benzopyrano[3,4-d]pyridine (100 mg., U.S. Pat. No. 3,535,327) with Pd/C in boiling cymene gives 10-hydroxy-5,5,8-trimethyl-5H[1]benzopyrano[3,4-d]pyridine.