Process for preparing 4,4'-dimethyl-1,1'-binaphthyl

Details Process for preparing 4,4'-dimethyl-1,1'-binaphthyl Process for preparing 4,4'-dimethyl-1,1'-binaphthyl

1995-03-28

1996-06-04

Niebling, John

Electrolysis: processes, compositions used therein, and methods

Electrolytic synthesis

Preparing organic compound

205419, 205462, 205463, C25B 302

Patent

active

055229824

ABSTRACT:
The invention relates to a process for preparing 4,4'-dimethyl-1,1'-binaphthyl, by electrochemically oxidatively dimerizing 1-methylnaphthalene in the presence of acetonitrile/water/conducting salt mixtures which additionally contain at least one further component which is immiscible or only partially miscible with water.

REFERENCES:
patent: 3437570 (1969-04-01), Wisdom
patent: 4101392 (1978-07-01), Hallcher et al.
Euroepan Search Report No. 95103744.9, dated Aug. 11, 1995.
Memoirs of the Niihama College of Technology Science & Engineering, Bd. 25, 1989, "Electrooxidation of 2-Methylnaphthalene in Aqueous" no month.
Helv. Chim. ACTA, Bd. 11, 1928, Electrochemische Oxidation des alpha-Methyl-naphthalins.
Fichter et al, Helvetica Chimica Acta, vol. 11, Basel at Geneva, Aedibus George & Co., pp.1265-1267 (1928) no month.
Kumada, M., et al, "Cross-Coupling of Grignard Reagents" in vol. 28, Organic Syntheses, N. Y. John Wiley and Sons, 1978, pp. 127-133 no month.
McKillop, A., et al, J. Am. Chem. Soc. 102:6504-6512 (1980) no month.

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