Abstract
A mixture of cyclic lactones [7- (mentholactone), 14-, 21-, 28-, and 35-membered polylactones] instead of the expected [2 + 1]-condensation products was obtained from the reaction of 3R,7-dimethyl-6Shydroxyoctanoic acid, which is accessible from l-menthol, and glutaric, adipic, and bicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid dichlorides in Py in the presence of N,N-dimethylaminopyridine. The structures were confirmed using PMR, 13C NMR, and mass spectra.
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