N'-[9-[(2R,3R,4R,5R)-4-[tert-butyl(diphenyl)silyl]oxy-3-methoxy-5-[(methylideneamino)oxymethyl]oxolan-2-yl]-6-oxo-1H-purin-2-yl]-N,N-dimethylmethanimidamide 在
吡啶 、
ammonium hydroxide 、 sodium cyanoborohydride 作用下,
以
1,4-二氧六环 、
溶剂黄146 为溶剂,
反应 23.0h,
生成 N-(9-{(2R,3R,4R,5R)-4-(tert-Butyl-diphenyl-silanyloxy)-3-methoxy-5-[(N-methyl-aminooxy)-methyl]-tetrahydro-furan-2-yl}-6-oxo-6,9-dihydro-1H-purin-2-yl)-isobutyramide