Tetrahedron Letters p. 4077 - 4078 (1982)
Update date:2022-08-30
Topics:
Wilhelm, Dieter
Clark, Timothy
Rague Schleyer, Paul von
The 3,3',5,5'-tetramethylenebiphenyl tetraanion, prepared in good yield by metallation-elimination, gives tetrasubstituted biphenyl derivatives, e. g., with H2O, D2O, methyl iodide, and trimethylsilyl chloride.The reaction sequence, starting from alkylated cyclohexanones, provides a general synthetic route to symmetrical polysubstituted biphenyls.
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