2-(2-(4-trifluoromethylphenyl)-6,7-dihydrooxazolo[4,5-c]pyridin-5(4H)-yl)nicotinonitrile 、
2-氯吡嗪 在
5-(pyrazin-2-yl)-2-(4-trifluoromethylphenyl)-4,5,6,7-tetrahydrooxazolo[4,5-c]pyridine 、 Silica gel 、
乙酸乙酯 、 hexanes 、
乙醇甲醇混合物 作用下,
以afforded 5-(pyrazin-2-yl)-2-(4-(trifluoromethyl)phenyl)-4,5,6,7-tetrahydrooxazolo[4,5-c]pyridine as a white solid (23 mg, 10%)的产率得到5-(pyrazin-2-yl)-2-(4-trifluoromethylphenyl)-4,5,6,7-tetrahydrooxazolo[4,5-c]pyridine