N-[5-(2-chloro-5-methoxy-phenoxy)-6-(2-hydroxy-ethoxy)-pyrimidin-4-yl]-5-isopropyl-pyridine-2-sulphonamide 、
吡啶-2-羰基叠氮化物 、
氮 、
1,4-二氧六环 在
乙醇 作用下,
反应 2.0h,
以115 mg of pyridin-2-yl-carbamic acid 2-[5-(2-chloro-5-methoxy-phenoxy)-6-(5-isopropyl-pyridin-2-ylsulphonylamino)-pyrimidin-4-yloxy]-ethyl ester were obtained as white crystals with m.p. 190°-191° C.的产率得到pyridin-2-yl-carbamic acid 2-[5-(2-chloro-5-methoxy-phenoxy)-6-(5-isopropyl-pyridin-2-ylsulphonylamino)-pyrimidin-4-yloxy]-ethyl ester