Efficient large-scale synthesis of 5'-O-dimethoxytrityl-N4-benzoyl-5-methyl-2'-deoxycytidine. 2006

Bruce S Ross, and Mingming Han, and Vasulinga T Ravikumar
Isis Pharmaceuticals, Inc., 2282 Faraday Ave., Carlsbad, CA 92008, USA.

An efficient process to synthesize 5'-O-dimethoxytrityl-N4-benzoyl-5-methyl-2'-deoxycytidine in high yield and quality is described. Final benzoylation was improved by developing a method to selectively hydrolyze benzoyl ester impurities. This inexpensive approach was scaled up to multikilogram quantities for routine use in oligonucleotide therapeutics.

UI MeSH Term Description Entries
D008968 Molecular Conformation The characteristic three-dimensional shape of a molecule. Molecular Configuration,3D Molecular Structure,Configuration, Molecular,Molecular Structure, Three Dimensional,Three Dimensional Molecular Structure,3D Molecular Structures,Configurations, Molecular,Conformation, Molecular,Conformations, Molecular,Molecular Configurations,Molecular Conformations,Molecular Structure, 3D,Molecular Structures, 3D,Structure, 3D Molecular,Structures, 3D Molecular
D003841 Deoxycytidine A nucleoside component of DNA composed of CYTOSINE and DEOXYRIBOSE. Cytosine Deoxyribonucleoside,Cytosine Deoxyriboside,Deoxyribonucleoside, Cytosine,Deoxyriboside, Cytosine
D013237 Stereoisomerism The phenomenon whereby compounds whose molecules have the same number and kind of atoms and the same atomic arrangement, but differ in their spatial relationships. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 5th ed) Molecular Stereochemistry,Stereoisomers,Stereochemistry, Molecular,Stereoisomer

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