| http://www.w3.org/ns/prov#value | - In one embodiment of this invention for the preparation of a cHPMP from the corresponding phosphonate nucleotide analog, the phosphonate is (a) treated with ClCH???N(CH3)2 Cl to yield the phosphonylchloridate and (b) optionally the phosphonylchoridate is reacted with a nucleophile (preferably at low temperature, e.g. lower than about -20??? C.) such as an alcohol or amine to produce one of the int
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