Abstract: Present invention relates to stable Fmoc protected Morpholino monomers and corresponding oligonucleotides (PMO) and efficient synthesis of the same involving chlorophosphoramidate and H-Phosphonate chemistry. Successful syntheses of the oligonucleotide with higher yield and lesser time have been accomplished employing solid phase synthesis and easy deprotection of Fmoc group with Piperidine.

Abstract: An oligo-guanidine as cell penetrating agents/carriers includes a heterocyclic ring including 4-aminopiperidine, piperazine, morpholine having at least one N-terminal based heterocyclic ring or at least one O-heteroatom based heterocyclic ring tailored with hydrophobic and/or lipophilic group. The oligo-guanidine is adapted as an effective molecular transporter to transport and/or delivery therapeutics, therapeutic candidates, probes, or other molecules of interest across biological barriers including oligonucleotides. Advantageously, the oligo-guanidine is capable of being internalized into cells (in-vitro and in-vivo) with enhanced cellular uptake in nanomolar concentration.

Abstract: An oligo-guanidine as cell penetrating agents/carriers includes a heterocyclic ring including 4-aminopiperidine, piperazine, morpholine having at least one N-terminal based heterocyclic ring or at least one O-heteroatom based heterocyclic ring tailored with hydrophobic and/or lipophilic group. The oligo-guanidine is adapted as an effective molecular transporter to transport and/or delivery therapeutics, therapeutic candidates, probes, or other molecules of interest across biological barriers including oligonucleotides. Advantageously, the oligo-guanidine is capable of being internalized into cells (in-vitro and in-vivo) with enhanced cellular uptake in nanomolar concentration.

Abstract: Morpholino-based oligomers suitable as antisense agent comprising modifications of phosphorodiamidate backbone or modification with 5-substituted pyrimidines of morpholino compound that is soluble in culture medium and sufficient for cell penetration thereby eliminating the need for injecting into the cells. Monomers comprising the said oligomers and its method of manufacture, method of manufacture of the said oligomers and its dye, fluorophore, drug, biomolecule conjugate wherein the said oligomers find different end use but not limited to regulation of gene expression, tissue culture with improved transfection efficiency and related studies on cellular transfection.

Abstract: Morpholino-based oligomers suitable as antisense agent comprising modifications of phosphorodiamidate backbone or modification with 5-substituted pyrimidines of morpholino compound that is soluble in culture medium and sufficient for cell penetration thereby eliminating the need for injecting into the cells. Monomers comprising the said oligomers and its method of manufacture, method of manufacture of the said oligomers and its dye, flurophore, drug, biomolecule conjugate wherein the said oligomers find different end use but not limited to regulation of gene expression, tissue culture with improved transfection efficiency and related studies on cellular transfection.

Abstract: Bifunctional linkers are provided that comprise a photocleavable moiety flanked by two different amine reactive moieties. In some embodiments the photocleavable moiety is a dimethoxynitrobenzyl moiety. In other embodiments the photocleavable moiety is 8-bromo-7-hydroxyquinoline. In other embodiments the photocleavable moiety is nitrodibenzofuran. In other embodiments the photocleavable moiety is 6-bromo-7-hydroxycoumarin-4-ylmethyl. The linkers find use in synthetic methods, including the generation of photocleavable oligonucleotides, e.g. caged morpholinos.

Abstract: Bifunctional linkers are provided that comprise a photocleavable moiety flanked by two different amine reactive moieties. In some embodiments the photocleavable moiety is a dimethoxynitrobenzyl moiety. In other embodiments the photocleavable moiety is 8-bromo-7-hydroxyquinoline. In other embodiments the photocleavable moiety is nitrodibenzofuran. In other embodiments the photocleavable moiety is 6-bromo-7-hydroxycoumarin-4-ylmethyl. The linkers find use in synthetic methods, including the generation of photocleavable oligonucleotides, e.g. caged morpholinos.

Abstract: Bifunctional linkers are provided that comprise a photocleavable moiety flanked by two different amine reactive moieties. In some embodiments the photocleavable moiety is a dimethoxynitrobenzyl moiety. In other embodiments the photocleavable moiety is 8-bromo-7-hydroxyquinoline. In other embodiments the photocleavable moiety is nitrodibenzofuran. In other embodiments the photocleavable moiety is 6-bromo-7-hydroxycoumarin-4-ylmethyl. The linkers find use in synthetic methods, including the generation of photocleavable oligonucleotides, e.g. caged morpholinos.