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Large-ring lactones and lactams were prepared utilising the full fatty acid chain of common plant oils as a source of the macrocycle. Ring closure via acyloin condensation does not require large volumes of solvents for dilution. Nonadecalactone (NDL) and tricosalactone (TCL) can be converted to novel polyesters by ring opening.
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Witt et al. (2013) studied this question.
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