L. M. Break, W. S. Al-harthi
Nov 14, 2018
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Proceedings
Abstract
Fluorinated nucleosides are very important for increased biological and chemical stability of organ fluorine compounds. Synthesis of (1H)-8-trifluloromethyl-2-methyl-4-quinazolinone 3 from 2-amino-3-(trifluoromethyl) benzoic acid 1 was performed. Ribosylation of compound 4 with 1-O-acetyl-2,3,5-tri-O-benzoyl-β-d-ribofuranose 5 using the silylation method created the benzoylated nucleoside derivative 6. Debenzoylation of the protected nucleoside 6 via reaction with sodium metal in dry methanol to create the corresponding free nucleoside 1,3-bis-(2,3,5-tri-O-benzoyl-β-d-ribofuranosyl)-8-(trifluoromethyl)-2-methyl-4-quinazolinone 7. The structures of the newly synthesis compounds have been confirmed on the basis of IR, 1HNMR, 13CNMR, and mass spectral data.