Abstract
Synthesis of amyl vanillyl ether from vanillin was carried out by two different methods, two-steps reaction method and one-step reaction method. In two-steps reaction method beginning with the first stage reduction of vanillin with NaBH4 to obtain vanillyl alcohol. Then, dehydration vanillyl alcohol and amyl alcohol with concentrated sulfuric acid. Synthesized compound were identification by TLC, IR spectroscopy and GCMS. In one step reaction method the vanillyl alcohol as a result of reduction of vanillin with NaBH4 are not isolated in advance, immediately reacted with amyl alcohol to form amyl vanillyl ether compound with concentrated HCl dehydrator. The results of two-steps reaction method showed that the reduction reaction of vanillin with NaBH4 produced vanillyl alcohol. Vanillyl alcohol compound that produced is white powder and yield 41.28%. Vanillyl amyl ether compound could not synthesis by dehydration from vanillyll alcohol from reduction of vanillin and amyl alcohol. Ether compound from dehydration of vanillyl alcohol from reduction of vanillin and amyl alcohol is diamyl ethers. Method one reaction step successfully synthesized amyl vanilil ether compound. Amyl vanilil ether compound that produced is liquid, colorless and yield 86.42%. Keywords: amyl vanillil ether, vanillin, vanillil alcohol, amyl alcohol
Highlights
Synthesis of amyl vanillyl ether from vanillin was carried out by two different methods, two-steps reaction method and one-step reaction method
In two-steps reaction method beginning with the first stage reduction of vanillin
In one step reaction method the vanillyl alcohol as a result of reduction of vanillin with NaBH4 are not isolated in advance
Summary
Sintesis amil vanilil eter dengan bahan dasar vanilin dalam penelitian ini dilakukan dengan dua metoda yang berbeda, yaitu dengan metoda dua tahap reaksi dan metoda satu tahap reaksi. Dalam metoda satu tahap reaksi vanilil alkohol hasil reduksi vanilin dengan NaBH4 tidak diisolasi terlebih dahulu, langsung direaksikan dengan amil alkohol dan pembentukan senyawa amil vanilil eter dilakukan dengan dehidrator HCl pekat. Hasil penelitian dengan dua tahap reaksi menunjukkan bahwa reduksi vanilin dengan NaBH4 menghasilkan vanilil alkohol. Senyawa amil vanilil eter belum dapat disintesis dengan dehidrasi vanilil alkohol hasil reduksi vanilin dan amil alkohol. Senyawa eter yang dihasilkan dari dehidrasi vanilil alkohol hasil reduksi vanilin dan amil alkohol adalah diamil eter. Metode satu tahap reaksi berhasil disintesis senyawa amil vanilil eter, dengan metode ini diperoleh amil vanilil eter dengan bentuk cair, tidak berwarna, dengan rendemen 86,42%.
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