HCID 22828222, compound → 1-(6-Amino-9H-purin-9-yl)-1,3-dideoxy-3-[N-(beta-phenyl-D-alanyl)-O-methyl-L-tyrosylamino]-beta-D-ribofuranuronic acid

Participants

Reaction Steps

1-(6-Amino-9H-purin-9-yl)-1,3-dideoxy-3-[N-(β-phenyl-D-alanyl)-O-methyl-L-tyrosylamino]-β-D-ribofuranuronic acid (240 mg) was prepared by reacting 1-(6-amino-9H-purin-9-yl)-3-[N-(N-tert-butoxycarbonyl-β-phenyl-D-alanyl-O-methyl-L-tyrosylamino]-1,3-dideoxy-β-D-ribofuranuronic acid (420 mg) prepared in Example 84 with formic acid (6.7 ml) according to a similar manner to that of Example 45, mp. 175°-182° C. (dec.).

Provenance & Evidence