SUBSTITUTED O-ACYL-ACRYLALDOXIMES
    20.
    发明专利

    公开(公告)号:ZA753938B

    公开(公告)日:1976-06-30

    申请号:ZA753938

    申请日:1975-06-19

    Applicant: HOECHST AG

    Abstract: Procedure for the preparation of substituted 0-acyl acrylaldoximes of the formula I **(See formula)** where X represents a chlorine or bromine atom, R represents an alcoholic, alkoxy or alkylamino group, an alkenyl, alkenoxy or alkenylamino group each having 1 to 12 carbon atoms, or an aryl, aryloxy, arylalkyl group, arylalkoxy, arylamino or arylalkoxylaminos possibly substituted with one or two alcohol groups, each with 1 to 6 carbon atoms-, and R1, R2, R3 and R4 are the same or different and mean in each case a hydrogen atom, a halogen atom or an alcoholic or alkoxy group in each case with 1 to 6 carbon atoms, characterized in that the 2,3-diaryl-3-halogen-acryloxy compounds of formula II are acylated **(See formula)** wherein X, R1, R2, R3 and R4 have the meanings given in the description of formula I, in the presence of aprotic solvents with the aid of acylating agents, to form 0-acyl-2,3-diaryl-3- halogen-acryl-oximes of formula I. (Machine-translation by Google Translate, not legally binding)

Patent Agency Ranking