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Issue 23, 1989
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A long-range intramolecular functionalization by alkoxyl radicals: a long-range intramolecular hydroxylation of C(25) of cholestane side chain

Abstract

Alkoxyl radicals generated by the irradiation of hypoiodites of 5α-chlolestan-7α-yl-4-(hydroxyphenylmethyl)-phenylacetates and 5α-cholestan-7α-yl-3-[4-(hydroxyphenylmethyl)phenyl] propionates, respectively, abstracted a hydrogen from the remote C(25) of their cholestane side chain to give novel macrocyclic ether lactones which gave 5α-cholestane-7α, 25-diol by reduction with Na and liquid ammonia in good yields.

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Article type: Paper
DOI: 10.1039/C39890001829
Citation: J. Chem. Soc., Chem. Commun., 1989,0, 1829-1831

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    A long-range intramolecular functionalization by alkoxyl radicals: a long-range intramolecular hydroxylation of C(25) of cholestane side chain

    K. Orito, S. Satoh and H. Suginome, J. Chem. Soc., Chem. Commun., 1989, 0, 1829
    DOI: 10.1039/C39890001829

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