Several aliphatic acids and their ethyl, isopropenyl and 2,2,2‐trichloroethyl esters were allowed to react with 1‐ and 2‐octanols catalyzed by commercial lipase preparations of porcine pancreas and the fungiCandida rugosa, Aspergillus niger andMucor miehei. Comparisons of reactivity of the acids and esters were made in common organic solvents using the primary alcohol. Reactions of octanoic acid and its esters with 2‐octanol in hexane allowed an evaluation of stereoselectivity of the lipases with different substrates that carried the same (octanoyl) residue. A partial resolution ofrac‐2‐hexadecanol withA. niger lipase is described, and the utility of lipase selectivities (stereo, positional, fatty acid and ester) is discussed with reference to the data presented.
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Sonnet et al. (1988) studied this question.
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