6-((R)-5-{[(R)-3-(6-methoxy-[1,5]naphthyridin-4-yl)-allylamino]-methyl}-2-oxo-oxazolidin-3-yl)-4H-benzo[1,4]thiazin-3-one 、
二碳酸二叔丁酯 以
二氯甲烷 为溶剂,
以86%的产率得到[3-(6-methoxy-[1,5]naphthyridin-4-yl)-allyl]-[2-oxo-3-(3-oxo-3,4-dihydro-2H-benzo[1,4]thiazin-6-yl)-oxazolidin-5-ylmethyl]-carbamic acid tert-butyl ester