HRID475831

反应详情

EQUATION

反应方程式

HRID 475831 的结构方程式

PROCEDURE

实验过程

8-(4-(trifluoromethyl)phenyl)-7,8-dihydropyrano[3,4-e][1,3]oxazine-2,4(3H,5H)-dione (Intermediate Z(3)) was reacted as described in Intermediate X(4) with ammonium hydroxide to give 8-(4-(trifluoromethyl)phenyl)-7,8-dihydro-1H-pyrano[4,3-d]pyrimidine-2,4(3H,5H)-dione (Intermediate Z(4)). LC-MS (M−H)+=313.1.