SCHEDULED MAINTENANCE
Use of a trideuteriomethoxy group for phenol protection, instead of the classical methoxy group, serves to suppress an unwanted intramolecular hydrogen transfer during a radical cyclization experiment, and leads to a spiro compound of a type that can be converted into the spiro diketone–quinone system of the antitumour agent, fredericamycin A.
D. L. J. Clive, A. Khodabocus, M. Cantin and Y. Tao, J. Chem. Soc., Chem. Commun., 1991, 1755 DOI: 10.1039/C39910001755
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