Abstract

Based on l-menthol we have developed a synthesis method for potentially useful optically pure methyland isopropylbranched 21-member macrolide with hydrazide and ester fragments via sequential [2+1]-condensation of methyl(3R,6S)-6-hydroxy-3,7-dimethyl octanoate with glutaric acid chloranhydride and [1+1]-reaction of intermediate tetraester with hydrazine hydrate. The evidence is given for the structure of the obtained macrocycle using IR and NMR spectroscopy and mass spectrometry.

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