1D AND 2D NMR STUDIES OF BENZYL O–VANILLIN

https://doi.org/10.22146/ijc.21598

Mohammed Hadi Al–Douh(1), Shafida Abd Hamid(2*), Hasnah Osman(3)

(1) School of Chemical Sciences, Universiti Sains Malaysia (USM), Minden 11800, Pinang
(2) School of Chemical Sciences, Universiti Sains Malaysia (USM), Minden 11800, Pinang
(3) School of Chemical Sciences, Universiti Sains Malaysia (USM), Minden 11800, Pinang
(*) Corresponding Author

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).  

 

Keywords: 1H NMR; 13C NMR; 2D NMR; Benzyl o-Vanillin


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DOI: https://doi.org/10.22146/ijc.21598

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Indonesian Journal of Chemisty (ISSN 1411-9420 / 2460-1578) - Chemistry Department, Universitas Gadjah Mada, Indonesia.

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