Synthesis and structure determination of some oxadiazole-2-thione and triazole-3-thione galactosides |
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Authors: | Ahmad R Iqbal R Akhtar H Zia-ul-Haq Duddeck H Stefaniak L Sitkowski J |
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Institution: | Department of Chemistry, Quaid-i-Azam University, Islamabad, Pakistan. |
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Abstract: | The syntheses of 5-pyridyl-3(beta-D-galactopyranosyl)-1,3,4-oxadiazole-2-thiones 3a-3c and 5-pyridyl-2(beta-D-galactopyranosyl)-4-benzyl-1,2, 4-triazole-3-thiones 6a-6c are reported. The existence of N-galactosides--not S-galactosides--was proven by IR and 15N NMR spectroscopy. The structures of the final products and the intermediates were elucidated by IR, 1H, 13C and 15N NMR spectroscopy and mass spectrometry. |
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