Synthesis of 5″-branched derivatives of cyclic ADP-carbocyclic-ribose, a potent Ca2+-mobilizing agent: The first antagonists modified at the N1-ribose moiety

The 5″-branched cyclic ADP-carbocyclic-ribose derivatives were designed and synthesized. These target compounds were identified as the first antagonists of cADPR without a substituent at the adenine 8-position, and were shown to be stable due to the N1-carbocyclic-ribosyl structure.

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