bis(2-cyanoethyl) phosphorochloridite 、
3,4,5-Tris-O-[(4-chlorophenoxy)acetyl]-6-O-{2,7-dibromo-9-[3-(trifluoromethyl)phenyl]xanthen-9-yl}-2-O-(4-methoxytetrahydropyran-4-yl)-D-myo-inositol 在
吡啶 、
tris(2-cyanoethyl) phosphite 、
3-硝基-1,2,4-三氮唑 作用下,
以
乙腈 为溶剂,
反应 1.0h,
生成 (4-Chloro-phenoxy)-acetic acid (1R,2R,3S,4R,5S,6S)-3-[bis-(2-cyano-ethoxy)-phosphanyloxy]-5,6-bis-[2-(4-chloro-phenoxy)-acetoxy]-2-[2,7-dibromo-9-(3-trifluoromethyl-phenyl)-9H-xanthen-9-yloxy]-4-(4-methoxy-tetrahydro-pyran-4-yloxy)-cyclohexyl ester