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Phosphorylating agents bifunctional

Mono- and bicyclic phosphorus heterocycles 199, 200, 202, and 203 were synthesized starting from the bifunctional phosphorylating agent bis(diisopropylamino)ethynyl phosphine 195 via ring-closing enyne metathesis using 4,5-dihydroimidazol-2-ylidene ruthenium benzylidene complex, as a catalyst. Bicyclic phosphorus oxides 199 were obtained in 66-83% yield, whereas phosphorus borane derivative 202 was isolated in 74% yield <2001TL8231>. [Pg.927]

TTie p-nitrophenyl phosphorochloridate (97 equation 59) acts as the bifunctional phosphorylating agent when used with 2 equiv. of magnesium alkoxide. The intemucleotide linkage formation via alcohol activation does not require protectors on all the amino groups of the nucleoside bases. 2 The chlorophos-phoromorpholidite (98) is a usable bifunctional reagent for the preparation of nucleoside di- and tri-phos-phates. 20... [Pg.620]

BIFUNCTIONAL PHOSPHORYLATING AGENTS AND RELATED REAGENTS USEFUL FOR SYNTHESIS OF FULLY UNSYMMETRICAL PHOSPHOTRIESTERS... [Pg.618]

See other pages where Phosphorylating agents bifunctional is mentioned: [Pg.618]    [Pg.137]    [Pg.170]    [Pg.220]    [Pg.620]    [Pg.602]    [Pg.618]    [Pg.163]    [Pg.262]    [Pg.213]    [Pg.618]   


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