Process for producing biphenyl derivatives

Details Process for producing biphenyl derivatives Process for producing biphenyl derivatives

1979-08-17

1981-04-21

Reamer, James H.

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

Organic compounds

Oxygen containing

260465G, 560102, 562492, 568807, 585430, 585431, 570129, 570184, C07C 4565, C07C 2900

Patent

active

042634571

ABSTRACT:
A process for producing a halobiphenyl derivative represented by the following formula (I) comprises dehydrogenating a cyclohexylhalobenzene represented by the following formula (II) under such conditions that substantially no dehalogenation occurs. ##STR1## wherein X represents a halogen atom, and each of R.sup.1 and R.sup.2 independently represents a group represented by the formula ##STR2## wherein A represents carboxyl or an alkoxycarbonyl group and R represents a hydrogen atom or a lower alkyl group; an alkylcarbonyl; alkenyl; alkynyl; alkyl; aryl; arylcarbonyl; hydroxyalkyl; cyanoalkyl or cyanoalkenyl group.

REFERENCES:
patent: 2182431 (1939-12-01), Groll et al.
patent: 2184235 (1939-12-01), Groll et al.
patent: 2932673 (1960-04-01), Melik et al.
patent: 3228992 (1966-01-01), Myers
patent: 3452079 (1969-06-01), Shen et al.
patent: 3583903 (1971-06-01), Miale et al.
patent: 3714281 (1973-01-01), Hayes et al.
patent: 3928481 (1975-12-01), Suggitt
Fieser et al., "Reagents for Organic Synthesis", pp. 1118-1119 (1965).

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