摘要:
2-Amino-alpha-D-ribofurano[1',2':4,5]-2-oxazoline reacted with alpha-bromoacrylonitrile yielding 2,2'-anhydro-1-alpha-D-ribofuranosylcytosine which was converted to alpha-cytidine and alpha-2'-deoxycytidine. Reaction of 2-amino-alpha-D-ribofurano[1',2':4,5]-2-oxazoline and ethyl alpha-(bromomethyl)acrylate afforded 2,2'anhydro-1- alpha-D-ribofuranosylthymine, a precursor of alpha-thymidine and alpha-ribothymidine.