、
3-benzyloxy-2-[(2-fluorophenyl)-(tetrahydro-pyran-2-yloxy)-methyl]-pyran-4-one 、
C.I.酸性橙108 以
乙醇 为溶剂,
反应 24.0h,
以Working-up analogously to Example 1c yields 3-benzyloxy-1-(2-hydroxy-ethyl)-2-[(2-fluorophenyl)-(tetrahydro-pyran-2-yloxy)-methyl]-1H-pyridin-4-one in the form of a semi-crystalline yellow mass的产率得到3-benzyloxy-1-(2-hydroxy-ethyl)-2-[(2-fluorophenyl)-(tetrahydro-pyran-2-yloxy)-methyl]-1H-pyridin-4-one