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The reaction of lithiated (dimethylaminomethyl)ferrocene with chlorodiphenylphosphine gave 2-(dimethylamino-methyl) ferrocenyldiphenylphosphine. This phosphinoferrocene has been converted into a variety of 1,2-disubstituted and 1,2,3-trisubstituted ferrocenes. Chlorodiphenylphosphine has been condensed with 1,1′-dilithio-ferrocene to give 1,1′-bisdiphenylphosphinoferrocene.
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Marr et al. (1969) studied this question.
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