+++Thanks_Amik_1 article from Wiley

[pendyala123]

Stereoselective synthesis of pyrrolo[2,3-d]pyrimidine α- and β-D-ribonucleosides from anomerically pure D-ribofuranosyl chlorides. Solid-liquid phase-transfer glycosylation and nitrogen-15 NMR spectra
Helvetica Chimica Acta (1988), 71, (6), 1573-85

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http://onlinelibrary.wiley.com/doi/10.1002/hlca.19880710623/pdf

DOI:

http://dx.doi.org/10.1002/hlca.19880710623

[amik]