Acetic acid (2R,3S,5R)-5-(5-bromomethyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-2-[methoxy-(2,2,2-trichloro-ethoxy)-phosphoryloxymethyl]-tetrahydro-furan-3-yl ester 、 diethyl 5,6,7,8-tetrahydro-8-deazafolate 在
碳酸氢钠 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 6.0h,
以56%的产率得到diethyl N-<4-<<<2-amino-3,4,5,6,7,8-hexahydro-4-oxo-5-<(2'-deoxy-3'-O-acetyluridin-5-yl)methyl>pyrido<3,2-d>pyrimidin-6-yl>methyl>amino>benzoyl>-L-glutamate 5'-(trichloroethyl methyl phosphate)