Glycerolysis of methyl stearate and tristearin has been carried out in the presence of alkylguanidines—strong nonionic bases—as catalysts. When applied at 10 mol%, 1,5,7‐triazabicyclo [4.4.0]dec‐5‐ene, 1,2,3‐tricyclohexylguanidine, and 1,3‐dicyclohexyl‐2‐n‐octylguanidine give monoglycerides in more than 90% selectivity, in a maximum of 6 h reaction time.
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Aguiar et al. (1998) studied this question.
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