申请人:Mitsubishi Petrochemical Company, Ltd.
公开号:US04263457A1
公开(公告)日:1981-04-21
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.
一种用以下式(I)表示的卤联苯衍生物的生产过程包括在基本不发生去卤反应的条件下,脱氢以下式(II)表示的环己基卤苯。其中X代表卤素原子,R.sup.1和R.sup.2各自独立地表示由以下式表示的基团,其中A代表羧基或烷氧羰基,R代表氢原子或较低的烷基;烷基羰基;烯烃基;炔烃基;烷基;芳基;芳基羰基;羟基烷基;氰基烷基或氰基烯烃基。