反应详情

9-Benzyloxy-2-methyl-6-(1-phenyl-cyclopentylmethyl)-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,8-dione (31-01) (300 mg, 56.69%) was synthesized from 5-benzyloxy-6-hydroxy-2-(1-phenyl-cyclopentylmethyl)-pyrimidine-4-carboxylic acid (2-hydroxyethyl)-methyl-amide (30-01) (550 mg, 1.193 mmol) as a white solid following the procedure as described for 9-benzyloxy-6-biphenyl-2-ylmethyl-2-methyl-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,8-dione (11-01).