(2-氯苯基)(2,2,2-三氯乙基)氯磷酸 、 (4-Chloro-phenoxy)-acetic acid (2R,3R,4R,5R)-5-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-3-hydroxy-4-(4-methoxy-tetrahydro-pyran-4-yloxy)-tetrahydro-furan-2-ylmethyl ester 在
N-甲基咪唑 作用下,
以
乙腈 为溶剂,
以74%的产率得到(4-Chloro-phenoxy)-acetic acid (2R,3R,4R,5R)-3-[(2-chloro-phenoxy)-(2,2,2-trichloro-ethoxy)-phosphoryloxy]-5-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-4-(4-methoxy-tetrahydro-pyran-4-yloxy)-tetrahydro-furan-2-ylmethyl ester