Heterogeneous catalysts have so far not been very efficient [turnover frequency (TOF) < 19 h –1 ] or very selective (≤60%) for α-olefin formation in deoxygenation of fatty acids. Here we report more than 20-fold higher activity (TOF = 420 h –1 ) and high selectivity (>95%) for one such deoxygenation, decarbonylative dehydration, by using a heterogeneous Pd/C catalyst in the presence of phosphine ligands. The process is solvent free, allows for catalyst recycling, and does not require in situ distillation of the product to maintain high selectivity.
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Chatterjee et al. (2017) studied this question.
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