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Efficient Synthesis of Pyrimidine-Nucleoside Monophosphates from H-Phosphonates
Abstract:
Two natural pyrimidine-nucleoside 5′-monophosphates have been synthesized from the corresponding nucleoside 5′-H-phosphonate monoesters via a one-pot reaction in high yields. 31P NMR tracing experiments revealed that after H2O was added, iodophosphate intermediates were hydrolyzed immediately to generate nucleoside 5′-monophosphates almost quantitatively. Unlike the reaction in pyridine, the iodine oxidation reaction in DMF followed by immediate hydrolysis formed only a very small amount of dinucleoside diphosphate self-condensation byproduct.
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87-90
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August 2014
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© 2014 Trans Tech Publications Ltd. All Rights Reserved
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