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Synthetic studies on <i>des</i> ‐thiomethyllooekeyolide A: Synthesis of the <scp> C ₁ </scp> – <scp> C

Synthetic studies toward des ‐thiomethyllooekeyolide A ( 5 ), involving the convergent synthesis of the C 1 –C 16 polyketide fragment 25 and efforts toward construction of the pyran hemiketal motif, are described. Aldehyde 9 was prepared from butyraldehyde ( 11 ) via Brown crotylation and Mukaiyama al...