Chalcophospholanes useful in the synthesis of oligonucleoside phosphorothioates, phosphorodithioates and related selenates
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United States of America Patent
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Oct 25, 1994
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app pub date -
May 12, 1992
filing date -
Aug 5, 1991
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Abstract
Methods and compounds are provided for solid phase synthesis of oligonucleotides and related polymers by condensing protected monomer-O-[1,3,2-dichalcogen-substituted-phospholane] synthons in the presence of a catalytic base. Compounds of the invention include 2-N-substituted-1,3,2-dichalcogen-substituted-phospholane precursors of the above synthons, the protected monomer-O-[1,3,2-dichalcogen-substituted-phospholane] synthons, and P-chiral oligonucleotides and related P-chiral polymers.
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