Regioselective β-scission of α-oxoalkoxyl radicals: a novel formation of α-hydroxy ε-lactones by photolysis of steroidal α-oxo alcohol hypoiodites in the presence of mercury(II) oxide and iodine
Abstract
Irradiation of hypoiodites of steroidal α-oxo tertiary alcohols in the presence of mercury(II) oxide and iodine in benzene gave α-hydroxy ε-lactones and enolic ε-lactone; the mechanism of their formation is discussed on the basis of an 18O labelling study.
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