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Nucleic Acids Symposium Series 2005 49(1):115-116; doi:10.1093/nass/49.1.115
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© 2005 Oxford University Press

Characterization of Na+-montmorillonite-catalyzed reaction of racemic ribonucleotides

Hidehito Urata, Mami Fujimori, Chie Aono, Emi Hrada, Tomoko Matsumoto, Tomomi Yamakawa and Masao Akagi

Osaka University of Pharmaceutical Sciences, 4-20-1 Nasahara, Takatsuki, Osaka 569-1094, Japan

We have reported that the oligomerization of racemic mononucleotides catalyzed by montmorillonite clay proceeds efficiently and gives up to 8-mer. Here, we attempted to identify the dimer products to show the characteristics of the racemic reaction. The results suggested that homochiral pApAs are formed in somewhat higher yield than heterochiral pApAs. Therefore, the oligomerization of racemic mononucleotides catalyzed by montmorillonite shows the homochiral selectivity.


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