Abstract: Novel amine compounds are provided by the present invention. Methods of preparing and using said novel amine compounds are also provided.

Abstract: Methods for the regioselective alkylation at the 2′-hydroxy position over the 3′-hydroxy position of nucleosides and nucleoside analogs, forming 2′-O-ester modified compounds, are disclosed. Reduction and derivatization of the 2′-O-ester provides 2′-O-modified nucleosides and nucleoside analogs useful for the synthesis of oligomeric compounds having improved hybridization affinity and nuclease resistance.

Abstract: Novel amine compounds are provided by the present invention. Methods of preparing and using said novel amine compounds are also provided.

Abstract: Methods for the regioselective alkylation at the 2′-hydroxy position over the 3′-hydroxy position of nucleosides and nucleoside analogs, forming 2′-O-ester modified compounds, are disclosed. Reduction and derivatization of the 2′-O-ester provides 2′-O-modified nucleosides and nucleoside analogs useful for the synthesis of oligomeric compounds having improved hybridization affinity and nuclease resistance.

Abstract: Novel amine compounds are provided by the present invention. Methods of preparing and using said novel amine compounds are also provided.

Abstract: Methods for the regioselective alkylation at the 2′-hydroxy position over the 3′-hydroxy position of nucleosides and nucleoside analogs, forming 2′-O-ester modified compounds, are disclosed. Reduction and derivatization of the 2′-O-ester provides 2′-O-modified nucleosides and nucleoside analogs useful for the synthesis of oligomeric compounds having improved hybridization affinity and nuclease resistance.

Abstract: Novel amine compounds are provided by the present invention. Methods of preparing and using said novel amine compounds are also provided.

Abstract: Oligonucleotide and nucleotide amine analogs and methods of preparing and using these compounds are provided by the present invention.

Abstract: Novel compounds are constructed to include a central aromatic, aliphatic, or heterocyclic ring system. Attached to the central ring system are two linear groups having nitrogenous moieties that are derivatized with chemical functional groups. The ring system can include further nitrogenous moieties, either as ring atoms or on pendant groups attached to the ring, that may also be derivatized with chemical functional groups. The totality of the chemical functional groups imparts certain conformational and other properties to the these compounds. In accordance with certain embodiments of the invention, libraries of such compounds are prepared utilizing permutations and combinations of the chemical functional groups and the nitrogenous moieties to build complexity into the libraries.

Abstract: Novel compounds having the formula: ##STR1## wherein the constituent variables are defined herein. The compounds are constructed to include a central aromatic, aliphatic, or heterocyclic ring system. Attached to the central ring system are two linear groups having nitrogenous moieties that are derivatized with chemical functional groups. The ring system can include further nitrogenous moieties, either as ring atoms or on pendant groups attached to the ring, that may also be derivatized with chemical functional groups. The totality of the chemical functional groups imparts certain conformational and other properties to the these compounds. In accordance with certain embodiments of the invention, libraries of such compounds are prepared utilizing permutations and combinations of the chemical functional groups and the nitrogenous moieties to build complexity into the libraries.

Abstract: This invention relates to compounds based on the 3-deazapurines ring system and to methods for making such compounds. The invention also generally relates to the field of "antisense" agents, agents that are capable of specific hybridization with a nucleotide sequence of an RNA. The 3-deazapurine-containing compounds of this invention can be useful for modulating the activity of RNA when incorporated into oligonucleotides. Oligonucleotides and their analogs are used for a variety of therapeutic and diagnostic purposes, such as treating diseases, regulating gene expression in experimental systems, assaying for RNA and for RNA products through the employment of antisense interactions with such RNA, diagnosing diseases, modulating the production of proteins and cleaving RNA in site specific fashions.

Abstract: Novel amine compounds are provided by the present invention. Methods of preparing and using said novel amine compounds are also provided.

Abstract: This invention relates to compounds based on the 3-deazapurines ring system and to methods for making such compounds. The invention also generally relates to the field of "antisense" agents, agents that are capable of specific hybridization with a nucleotide sequence of an RNA. The 3-deazapurine-containing compounds of this invention can be useful for modulating the activity of RNA when incorporated into oligonucleotides. Oligonucleotides and their analogs are used for a variety of therapeutic and diagnostic purposes, such as treating diseases, regulating gene expression in experimental systems, assaying for RNA and for RNA products through the employment of antisense interactions with such RNA, diagnosing diseases, modulating the production of proteins and cleaving RNA in site specific fashions.

Abstract: This invention relates to compounds based on the 3-deazapurines ring system and to methods for making such compounds. The invention also generally relates to the field of "antisense" agents, agents that are capable of specific hybridization with a nucleotide sequence of an RNA. The 3- deazapurine-containing compounds of this invention can be useful for modulating the activity of RNA when incorporated into oligonucleotides. Oligonucleotides and their analogs are used for a variety of therapeutic and diagnostic purposes, such as treating diseases, regulating gene expression in experimental systems, assaying for RNA and for RNA products through the employment of antisense interactions with such RNA, diagnosing diseases, modulating the production of proteins and cleaving RNA in site specific fashions.

Abstract: This invention presents novel purine-based compounds for inclusion into oligonucleotides. The compounds of the invention, when incorporated into oligonucleotides are especially useful as agents that are capable of specific hybridization with a nucleotide sequence of an RNA. Oligonucleotides are used for a variety of purposes, such as regulating gene expression in experimental systems, assaying for RNA and for RNA products through the employment of interactions with such RNA, diagnosing diseases, modulating the production of proteins, and cleaving RNA in site specific fashions. The compounds of the invention include novel heterocyclic bases, nucleosides, and nucleotides. When incorporated into oligonucleotides, the compounds of the invention can be useful for modulating the activity of RNA.

Abstract: This invention relates to compounds based on the 3-deazapurines ring system and to methods for making such compounds. The invention also generally relates to the field of "antisense" agents, agents that are capable of specific hybridization with a nucleotide sequence of an RNA. The 3-deazapurine-containing compounds of this invention can be useful for modulating the activity of RNA when incorporated into oligonucleotides. Oligonucleotides and their analogs are used for a variety of therapeutic and diagnostic purposes, such as treating diseases, regulating gene expression in experimental systems, assaying for RNA and for RNA products through the employment of antisense interactions with such RNA, diagnosing diseases, modulating the production of proteins and cleaving RNA in site specific fashions.

Abstract: A chemical process for preparing 2-.beta.-D-ribofuranosylselenazole-4-carboxamide, comprises reacting 2,3,5-tri-O-benzoyl-.beta.-D-ribofuranosyl-1-carbonitrile with gaseous hydrogen selenide in a polar organic solvent.

Abstract: Hydroxy, amino and sulfhydryl derivatives of 7-.beta.-D-arabinofuranosyl-7H-pyrrolo[2,3-d]pyrimidine, their corresponding esters and non-toxic pharmaceutically acceptable salts are produced by arabinofuranosylation of the requisite heterocycles with 2,3,5-tri-O-benzyl-.alpha.-D-arabinofuranosyl halide and further reaction to obtain the desired compounds. These water soluble compounds are resistant to adenosine deaminase and exhibit antiviral activity.

Abstract: Hydroxy, amino and sulfhydryl derivatives of 7-.beta.-D-arabinofuranosyl-7H-pyrrolo[2,3-d]pyrimidine, their corresponding esters and non-toxic pharmaceutically acceptable salts are produced by arabinofuranosylation of the requisite heterocycles with 2,3,5-tri-O-benzyl-.alpha.-D-arabinofuranosyl halide and further reaction to obtain the desireexhibit antiviral activity.

Abstract: Hydroxy, amino and sulfhydryl derivatives of 1-.beta.-D-arabinofuranosyl-1H-imidazo[4,5-c]pyridine, their corresponding esters and non-toxic pharmaceutically acceptable salts are produced by arabinofuranosylation of the requisite heterocycles with 2,3,5-tri-O-benzyl-.alpha.-D-arabinofuranosyl halide and further reaction to obtain the desired compounds. These water soluble compounds are resistant to adenosine deaminase and exhibit antiviral activity.