Abstract

Abstract The reaction of aldehydes 1 and 10 with Bu 3SnH has been studied. In thermal conditions, after an initial chemoselective 6- exo-trig or 5- exo-trig cyclization to the aldehyde, a β-scission reaction takes place, providing rearrangement products. At low temperature, using the Et 3/O 2 procedure, satisfactory yields of cyclohexanol 2 and cyclopentanol 11 are obtained.

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