a series of dinucleotides , analogous to nicotinamide adenine dinucleotide but containing the five-membered base nucleosides tiazofurin ( 1a ) , selenazofurin ( 1b ) , ribavirin ( 2 ) , and aicar ( 3 ) in place of nicotinamide ribonucleoside , were prepared in greater than 50 % yield by reacting the corresponding nucleotide imidazolidates ( 6a-d ) with adenosine 5'-monophosphate ( amp ) .
C0027270
nicotinamide adenine dinucleotide
C0001413
adenosine 5