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Shafida Abd Hamid
School of Chemical Sciences, Universiti Sains Malaysia (USM), Minden 11800, Pinang
Chemical Engineering, Chemistry & Bioengineering Chemistry

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1D AND 2D NMR STUDIES OF BENZYL O–VANILLIN Mohammed Hadi Al–Douh; Shafida Abd Hamid; Hasnah Osman
Indonesian Journal of Chemistry Vol 8, No 3 (2008)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2553.808 KB) | DOI: 10.22146/ijc.21598

Abstract

The reaction of o-vanillin A with benzyl bromide B2 in acetone as the solvent and K2CO3 as a base in the presence of tetra-n-butylammonium iodide (TBAI) as catalyst formed benzyl o-vanillin, C. The complete assignments of C using PROTON, APT, DEPT-135, COSY, NOESY, HMQC and HMBC NMR in both CDCl3 and acetone-d6 are discussed, and the coupling constants J are reported in Hertz (Hz).
Co-Authors Hasnah Osman Mohammed Hadi Al–Douh