Process for the preparation of pyridylcarboxylic amides and esters

    公开(公告)号:AU2006310551A1

    公开(公告)日:2007-05-10

    申请号:AU2006310551

    申请日:2006-10-26

    Applicant: BASF SE

    Abstract: The invention relates to a process for the preparation of pyridylcarboxylic amides and esters I, Formula (I) wherein Hal, X and R1 have the meanings given in claim 1, which comprises the following steps: (a) heating a mixture consisting essentially of trichloromethylpyridine II, Formula (II), wherein Hal has the meaning given, and 1.0 to 1.5 equivalents of concentrated sulfuric acid, characterized in that the trichloromethylpyridine II in a liquid form is added to the concentrated sulfuric acid at a temperature from 110° C. to 160° C.; and (b) reacting the intermediate product obtained in step (a) with an amine or alcohol III, HXR1, wherein X and R1 have the meaning given, optionally in the presence of a solvent and/or a base.

    PROCESS FOR THE PREPARATION OF PYRIDYLCARBOXYLIC AMIDES AND ESTERS

    公开(公告)号:CA2626465C

    公开(公告)日:2016-07-12

    申请号:CA2626465

    申请日:2006-10-26

    Applicant: BASF SE

    Abstract: The invention relates to a process for the preparation of pyridylcarboxylic amides and esters I, Formula (I) wherein Hal, X and R1 have the meanings given in claim 1, which comprises the following steps: (a) heating a mixture consisting essentially of trichloromethylpyridine II, Formula (II), wherein Hal has the meaning given, and 1.0 to 1.5 equivalents of concentrated sulfuric acid, characterized in that the trichloromethylpyridine II in a liquid form is added to the concentrated sulfuric acid at a temperature from 110~C to 160~C; and (b) reacting the intermediate product obtained in step (a) with an amine or alcohol III, HXR1, wherein X and R1 have the meaning given, optionally in the presence of a solvent and/or a base.

    45.
    发明专利
    未知

    公开(公告)号:BRPI0609798B1

    公开(公告)日:2015-01-27

    申请号:BRPI0609798

    申请日:2006-05-18

    Applicant: BASF SE

    Abstract: The present invention relates to a process for preparing 1-alkyl-3-phenyluracils of the formula I where the variables R1 to R7 are as defined in the description by reacting 3-phenyluracils of the formula II and alkylating agents of the formula III R1-L1  III, with one another, wherein during the entire reaction the pH is kept in a range from 1 to 6 by adding base a little at a time.

    СПОСОБЫ ПОЛУЧЕНИЯ СУЛЬФОНАМИДОВ

    公开(公告)号:UA98291C2

    公开(公告)日:2012-04-25

    申请号:UAA201101802

    申请日:2006-11-23

    Applicant: BASF SE

    Abstract: Способполучениясульфонамидовформулы I EMBED ISISServer I, гдезаместителиимеютзначение, приведенныев описании, реакциейхлоридовм-нитробензойнойкислотыформулы II саминосульфонамиформулы III, вприсутствииВ эквивалентовоснованияформулы IV, причемнастадииа) аминосульфоныформулы III реагируютс В1 эквивалентамиоснованияформулы IV, инастадии b) реакционнуюсмесь, полученнуюнастадииа), подвергаютвзаимодействиюс хлоридамим-нитробензойнойкислотыформулы II иВ2 эквивалентамиоснованияформулы IV, гдеВ, В1 иВ2 имеютзначение, приведенныев описании.

Patent Agency Ranking