Chemical process
    4.
    发明授权
    Chemical process 失效
    化学工艺

    公开(公告)号:US4861893A

    公开(公告)日:1989-08-29

    申请号:US894765

    申请日:1986-08-08

    申请人: Gary T. Borrett

    发明人: Gary T. Borrett

    摘要: A process is disclosed for the preparation of a compound of formula (I): ##STR1## where Ar is aryl or substituted aryl and R.sup.3 and R.sup.4 are the same or different and each is alkyl, which process comprises hydrognating a compound of formula (II): ##STR2## wherein Ar, R.sup.3 and R.sup.4 are as defined with respect to formula (I) and Hal is a halogen atom.Compounds of formula (I) are useful as chemical intermediates.

    摘要翻译: 公开了制备式(I)化合物的方法:其中Ar是芳基或取代的芳基,且R 3和R 4相同或不同并且各自是烷基,该方法包括将化合物 式(II):其中Ar,R 3和R 4如关于式(I)所定义,并且Hal是卤素原子。 式(I)化合物可用作化学中间体。