双(二异丙基氨基)(2-氰基乙氧基)膦 、
1-[2-deoxy-5-O-(4,4'-dimethoxytriphenylmethyl)-β-D-erythro-pentofuranosyl]-6-{[(dimethylamino)methylidene]amino}-1,2,3-triazolo[4,5-c]pyridine-4(5H)-one 在
二异丙基铵盐四氮唑 作用下,
以
二氯甲烷 为溶剂,
以48%的产率得到Diisopropyl-phosphoramidous acid (2R,3S,5R)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-5-[6-(dimethylamino-methyleneamino)-4-oxo-4,5-dihydro-[1,2,3]triazolo[4,5-c]pyridin-1-yl]-tetrahydro-furan-3-yl ester 2-cyano-ethyl ester