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Preparation of nucleosides via iso propylidene sugar derivatives part 5 coupling reactions using the titanium tetra chloride method


, : Preparation of nucleosides via iso propylidene sugar derivatives part 5 coupling reactions using the titanium tetra chloride method. Carbohydrate Research 14(3): 297-303



Accession: 006173595

DOI: 10.1016/S0008-6215(00)80002-6

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Related references

Kohn B.D.; Kohn P.; Dubin A., 1971: Preparation of nucleosides via iso propylidene sugar derivatives part 6 synthesis of 9 alpha and 9 beta allo furanosyl adenines. Carbohydrate Research 18(3): 349-355

Freyne, E.J.; Lepoivre, J.A.; Alderweireldt, F.C.; Anteunis, M.J.O.; De-Bruyn, A., 1976: Synthesis of 2 3 o iso propylidene pyridine nucleosides a 300 megahertz hydrogen nmr study of the conformation of 2 3 o iso propylidene d ribofuranosylamine toluene p sulfonate and of 1 2 3 o iso propylidene d ribofuranosyl 3 carbamoyl pyridinium chloride in solution. Eight 2,3-O-isopropylidene pyridine nucleosides were prepared in good yield by reaction of 2,3-O-isopropylidene-D-ribofuranosylamine with the corresponding 1-(2,4-dinitrophenyl)-pyridinium halides in dry methanol at room temperature. Assignments o...

Pravdic N.; Franjic Mihalic I., 1978: Syntheses of some purine nucleosides by the fusion method by the condensation of acetylated chlorides and from 1 acetates in the presence of titanium tetra chloride a comparison. Carbohydrate Research 62(2): 301-312

Just, G.; Ramjeesingh, M.; Liak, T.J., 1976: Syntheses of c nucleosides part 9 reactions of dl 3 4 di o iso propylidene 2 5 anhydro allose with wittig reagents syntheses of bis homo anhydro c nucleosides. The NMR spectra of the 2 anomers of 1-O-acetyl-3,4-di-O-isopropylidene-2,5-anhydro-D,L-allose are discussed. The reactions of D,L-3,4-di-O-isopropylidene-2,5-anhydroallose with carbethoxymethylenetriphenylphosphorane, bromocarbethoxymethylenetriph...

Kondo, K.; Adachi, T.; Inoue, I., 1976: Studies on biologically active nucleosides and nucleotides part 1 reactions of tetra acetoxy silane with pyrimidine ribo nucleosides. Tetraacetoxysilane reacted with 5'-O-acetyluridine to give 3',5'-di-O-acetyluridine as a major product. When the reaction was carried out in the presence of ZnCl2, 2,2'-anhydro-1-(3',5'-di-O-acetyl-.beta.-D-arabinofur...

Srivastava V.K.; Lerner L.M., 1979: Synthesis of 7 carbon and 8 carbon sugar derivatives from 2 3 5 6 di o iso propylidene d gulono 1 4 lactone and preparation of a new anhydro sugar. 2,3:5,6-Di-O-isopropylidene-D-gulono-1,4-lactone was condensed with ethyl bromoacetate in the presence of Zn to give the expected Reformatsky product, ethyl 2-deoxy-4,5:7,8-di-O-isopropylidene-.alpha.-D-gulo-3-octulofuranosonate (2). Treatment of...

Ohrui H.; Fox J.J., 1973: Nucleosides part 81 an approach to the synthesis of carbon carbon linked beta d ribofuranosyl nucleosides from 2 3 o iso propylidene 5 o trityl beta d ribofuranosyl chloride. Tetrahedron Letters 22: 1951-1954

Friedman, H.A.; Watanabe, K.A.; Fox, J.J., 1967: Nucleosides. 43. 3'-amino-3'-deoxyhexopyranosyl nucleosides. V. Studies on the preparation of aminoacyl derivatives of amino sugar nucleosides. Journal of Organic Chemistry 32(12): 3775-3780

Hamamura, E.K.; Prystasz, M.; Verheyden, J.P.H.; Moffatt, J.G.; Yamaguchi, K.; Uchida, N.; Sato, K.; Nomura, A.; Shiratori, O.; Et-Al, 1976: Reactions of 2 acyloxyisobutyryl halides with nucleosides part 6 synthesis and biological evaluation of some 3 acyl derivatives of 2 2 anhydro 1 beta d arabinofuranosyl cytosine hydro chloride. The reactions of cytidine with 22 2-O-acyloxyisobutyryl chlorides lead to the isolation of the corresponding 2,2'-anhydro-1-(3'-O-acyl-.beta.-D-arabinofuranosyl)cytosine [3'-O-Ac cycloC] hydrocholorides 9. These compounds, which sho...

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