Separation of acetins by counter-current chromatography
2011
Meireles, Bruno Amaral | Pinto, Shaft Corrêa | Pereira, Vera Lúcia Patrocinio | Leitão, Gilda Guimarães
In this work we report the purification of a crude acetin mixture into mono-, di- and triacetin by countercurrent chromatography. The process was initially tested on a small, semi-preparative scale (0.5 g) to determine its efficiency. The process was then scaled up to accommodate 2.5 g of crude reaction products containing a mixture of the acetins. The solvent system ethyl acetate/n-butanol/water 1:0.2:1 was used in all separation procedures. Mono-, di- and triacetins were separated similarly in the semi-preparative and preparative runs.
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