methyl 1-(6-benzoylamino-9H-purin-9-yl)-1,3-dideoxy-3-(N-benzyloxycarbonyl-O-methyl-L-tyrosylamino)-β-D-ribofuranuronate 、
正丁胺 在
乙醚 作用下,
以
甲醇 为溶剂,
反应 9.0h,
以to give N-n-butyl-1-(6-amino-9H-purin-9-yl)-1,3-dideoxy-3-(N-n-butylcarbamoyl-O-methyl-L-tyrosylamino)-β-D-ribofuranuronamide (208 mg), mp. 111°-115° C. (dec.)的产率得到N-n-butyl-1-(6-amino-9H-purin-9-yl)-1,3-dideoxy-3-(N-n-butylcarbamoyl-O-methyl-L-tyrosylamino)-β-D-ribofuranuronamide