Carbohydrate Research p. 235 - 242 (1980)
Update date:2022-08-04
Topics:
Freyne, Eddy J.
Esmans, Eddy L.
Lepoivre, Josef A.
Alderweireldt, Frank C.
Condensation of 3,5-di-O-benzoyl-β-D-ribofuranosyl chloride severally with 3-acetyl-5-alkylpyridines, 5-alkyl-3-methoxycarbonylpyridines (alkyl= Me, Et, Pr, and iPr), 5-isopropylnicotinamide, and 3,5-diacetylpyridine bis(ethylene acetal) in acetonitrile at -5 deg C gave the corresponding 1-(3,5-di-O-benzoyl-β-D-ribofuranosyl)-3,5-disubstituted pyridinium chlorides in excellent yield (90percent).From the reaction of a series of 2,3-O-isopropylidene-β-D-ribofuranosyl halides with 3-acetyl-5-methyl-pyridine at room temperature, the α-nucleosides were obtained.
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Doi:10.1002/anie.202015230
(2021)Doi:10.1021/jo01304a004
(1980)Doi:10.1021/ol049227f
(2004)Doi:10.1016/S0040-4020(01)82328-0
(1991)Doi:10.1111/j.1468-2885.2000.tb00185.x
()Doi:10.1021/jo01304a014
(1980)
