Process for preparing 2,2'-dimethyl-1,1'binaphthyl and 2,7'-dimethyl-1,1'-binaphthyl
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United States of America Patent
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Jun 16, 1998
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N/A
app pub date -
Dec 8, 1994
filing date -
Dec 11, 1993
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Expired
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Abstract
2,7'-Dimethyl-1,1'-binaphthyl and a process for preparing 2,2'-dimethyl-1,1'-binaphthyl and 2,7'-dimethyl-1,1'-binaphthyl by electrochemically oxidatively dimerizing 2-methylnaphthalene in the presence of acetonitrile/water/electrolyte salt mixtures which additionally contain at least one further component which, is immiscible or only partially miscible with water, and rectifying the reaction mixture obtained under reduced pressure.
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