solvents was also successful providing, as expected, the (R)-configurated reaction products [30]: 5 g of 30b dissolved in 50 ml of hexane was acetylated with vinyl acetate (0.55 mol-eqiv.) within 2 h (45% conversion) using 0.24 g of lipase P adsorbed on porous glass beads (E > 150).
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Roberts et al. (1993) studied this question.