An intramolecular hydrosilation approach to hexahydrooxonins related to obtusenyne. Effect of catalyst and conditions on stereoselectivity
The intramolecular hydrosilation of the α-dialkylsilyloxy enol ethers 3 and 5 followed by oxidative workup resulted in the diastereoselective synthesis of either the hexahydrooxonin diol 7 or 8 according to the catalyst and conditions employed.
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