C3′ -methylene hydrogen phosphonate oligomers and...

Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives

Reexamination Certificate

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C536S022100, C536S024500, C536S025300, C536S025310, C536S025340, C536S025600, C536S026100, C435S087000, C435S090000, C435S091100, C435S091200, C435S091500

Reexamination Certificate

active

06974865

ABSTRACT:
The present invention is directed to nucleoside monomers wherein the 3′-O atom is replaced with a methylene group. The present invention also provides oligomers comprising a plurality of such monomers which are linked by methylene phosphonate linkages. Further, methods of preparing monomers and oligomers according to the present invention are provided.

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