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Original Articles

Isolation and Structural Elucidation of a New Cyclohexenone Compound from Lasiodiplodia theobromae

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Pages 1890-1892 | Received 25 Mar 2009, Accepted 24 Apr 2009, Published online: 22 May 2014
 

Abstract

A new cyclohexenone compound was isolated as a mixture of enantiomers from a culture filtrate of Lasiodiplodia theobromae. The relative structure was determined to be 4,5-dihydroxy-3-methyl-cyclohex-2-enone on the basis of MS, 1H-NMR, and 13C-NMR spectroscopic analyses, including 2D-NMR experiments. Resolution of the enantiomers was conducted by a coupling reaction with (S)-MTPA-Cl followed by HPLC separation.

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