Process for the preparation of 1,1'-bi-2-naphthols

Details Process for the preparation of 1,1'-bi-2-naphthols Process for the preparation of 1,1'-bi-2-naphthols

1983-03-28

1985-01-29

Lone, Werren B.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568719, 568722, C07C 3914

Patent

active

044967730

ABSTRACT:
The invention is a process for coupling 2-naphthols which comprises contacting 2-naphthols dissolved in a polar acidic solvent in the presence of a catalytic amount of a catalyst which comprises a readily reducible form of a Group IB, Group VIII or manganese metal in the further presence of oxygen or a source of oxygen, under conditions such that 1,1'-bi-2-naphthol is prepared.

REFERENCES:
patent: 3300536 (1967-01-01), McNelis
patent: 3876709 (1975-04-01), Lee et al.
patent: 4067890 (1978-01-01), Rutledge
patent: 4085124 (1978-04-01), Rutledge
patent: 4096190 (1978-06-01), Rutledge
patent: 4097461 (1978-06-01), Rutledge
patent: 4101561 (1978-07-01), Rutledge
patent: 4180686 (1979-12-01), Dodd
patent: 4354047 (1982-10-01), Strom
patent: 4354048 (1982-10-01), Strom
Kulawski et al., "Chemical Abstracts", vol. 90; 151874x, (1979).

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