Journal of the Chemical Society. Perkin transactions I p. 124 - 131 (1981)
Update date:2022-09-26
Topics:
Bass, Robert J.
Banks, Bernard J.
Leeming, Michael R. G.
Snarey, Michael
The synthesis of macrocyclic lactones related to zearalanone is described. The reaction of salicylic acids with 1,9-dibromononane, 1,9-dichloro-5-oxanonane, and 1,9-dibromononan-5-one was used to prepare the corresponding lactones.Cyclisation of 2-(9-hydroxynonyloxy)benzoic acid, 4,6-dibenzyloxy-2-(9-hydroxynonyloxy)benzoic acid, and 4-benzyloxy-2-hydroxy-6-(9-hydroxy-5-oxodecyloxy)benzoic acid using diethyl azodicarboxylate-triphenylphosphine gave the corresponding lactones in moderate yield.
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