Huang Wei-bin, Du Jia-lei, Du Cai-yan
2013
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Journal
Chinese Journal of Synthetic Chemistry
Abstract
1-methoxy-2-propoxybenzene(1) was prepared by O-propylation of guaiacol with n-propyl bromide.A mixture of 3-methoxy-4-propoxyacetophenone(2) and 4-methoxy-3-propoxyacetophenone(3) was obtained by Friedel-Crafts acetylation of 1 with acetic anhydride.Acetovanillone and isoacetovanillonea were synthesized by selective depropylation of 2 and 3 using anhydrous aluminium trichloride as the catalyst.The structures were confirmed by 1H NMR,13C NMR and HR-ESI-MS.