N-(4-fluoro-2-iodobenzyl)-3-(benzyloxy)-9,9-dim ethyl-4-oxo-4,6,7,9-tetrahydropyrimido[2,1-c][1,4]oxazine-2-carboxamide 、
1-甲基-1H-吡唑-5-硼酸频哪醇酯 在
四(三苯基膦)钯 sodium carbonate 作用下,
以65%的产率得到N-(4-fluoro-2-(1-methyl-1H-pyrazol-5-yl)benzyl)-3-(benzyloxy)-9,9-dimethyl-4-oxo-4,6,7,9-tetrahydropyrimido[2,1-c][1,4]oxazine-2-carboxamide