Abstract
Cyclization of acetoacetate of hydroxy-ionone 1 into lactone 2, a precursor of forskolin, is shown to occur in excellent yield using Cs2CO3 or Cs2CO3/K2CO3 mixture.
Cyclization of acetoacetate of hydroxy-ionone 1 into lactone 2, a precursor of forskolin, is shown to occur in excellent yield using Cs2CO3 or Cs2CO3/K2CO3 mixture.
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