Abstract
The first total synthesis of two possible diastereomers of natural 6-chlorotetrahydrofuran acetogenin 1 has been achieved. The synthetic route features 5-exo-tet cyclization, Z selective Wittig reaction and Julia olefination for the construction of conjugated diene and enyne moieties, and stereoselective chlorination. Comparison of their 1 H and 13 C NMR data and specific rotation with those of the natural product elucidated the absolute configuration of natural (-)-6-chlorotetrahydrofuran acetogenin 1.
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