(2S)-3-[(3R)-12-[[4-(dimethylamino)cyclohexyl]oxy]-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9,11-tetraen-3-yl]-2-hydroxypropanamide formate 、
碳酸二乙酯 在
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 5.0h,
以74%的产率得到5-[[(3R)-12-[[4-(dimethylamino)cyclohexyl]oxy]-7-thia-9,11-diazatricyclo[6.4.0.0
2,6]dodeca-1(8),2(6),9,11-tetraen-3-yl]methyl]-1,3-oxazolidine-2,4-dione