8.
    发明专利
    未知

    公开(公告)号:AT401433T

    公开(公告)日:2008-08-15

    申请号:AT05013192

    申请日:2005-06-18

    Applicant: BASF SE

    Abstract: Preparation of 2-alkyne-1-acetal compounds (I) comprises electro-chemically oxidizing alcohol compounds (II) in the presence of 1-6C alkyl alcohol (A) or substance. Preparation of 2-alkyne-1-acetal compounds of formula (I) comprises electro-chemically oxidizing alcohol compounds (II) of formula (R 1>-C?=C-CH 2-OH) in the presence of 1-6C alkyl alcohol (A) or substance. R 1>1-20C alkyl, 2-20C alkenyl, 2-20C alkenyl, 3-12C cycloalkyl, 4-20C cycloalkyl-alkyl, 4-10C aryl (all optionally substituted with hydroxy, halo, 1-6C alkoxy, (1-6C alkoxy)-carbonyl, carboxyl or nitrile) or H; and R 2>, R 3>1-6C alkyl or a group of formula (R 1>-C?=C-CH 2-). [Image].

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