41.
    发明专利
    未知

    公开(公告)号:DE112005000193A5

    公开(公告)日:2008-06-19

    申请号:DE112005000193

    申请日:2005-02-19

    Applicant: BASF SE

    Abstract: Process for preparing a propargyl alcohol of the formula I in which R 1 is a C 130 -alkyl, C 3-8 -cycloalkyl, C 2-20 -alkoxyalkyl, C 6-14 -aryl, C 7-20 -alkoxyarl, C 7-20 -aralkyl, C 7-20 -alkylaryl radical or H, by reacting a corresponding aldehyde of the formula R 1 -CHO with acetylene in the presence of ammonia and a catalytic amount of an alkali metal hydroxide, alkaline earth metal hydroxide or alkali metal alkoxide in the range from 0.6 to 10 mol % based on the aldehyde used, and also processes for preparing an allyl alcohol of the formulae II and III starting from the propargyl alcohol I prepared in accordance with the invention.

    42.
    发明专利
    未知

    公开(公告)号:AT394362T

    公开(公告)日:2008-05-15

    申请号:AT05819382

    申请日:2005-12-14

    Applicant: BASF SE

    Abstract: A process for preparing 1,2-diamino-3-methylcyclohexane and/or 1,2-diamino-4-methylcyclohexane by reacting 2,3- and/or 3,4-diaminotoluene with hydrogen at elevated pressure and elevated temperature in the presence of a heterogeneous rhodium catalyst, wherein a mixture comprising 2,3- and/or 3,4-diaminotoluene, a dialkyl ether and/or alicyclic ether as a solvent and ammonia is initially charged in an autoclave in the presence of the catalyst and subsequently hydrogenated while supplying hydrogen.

    Método para la producción de poliisocianatos

    公开(公告)号:ES2400721T3

    公开(公告)日:2013-04-11

    申请号:ES05803068

    申请日:2005-10-27

    Applicant: BASF SE

    Abstract: Método para la producción de poliisocianatos mediante reacción de aminas primarias con fosgeno en presenciade un solvente, caracterizado porque como solventes se emplean solventes iónicos que exhiben por lo menos uncatión y por lo menos un anión, y el catión del solvente iónico es orgánico, donde el catión del solvente iónico eselegido de entre el grupo que consiste en cationes amonio cuaternario, cationes fosfonio, cationes imidazolio,cationes H-pirazolio, iones piridazinio, iones pirimidinio, iones pirazinio, cationes pirolidinio, cationes guadinio,cationes de cinco a por lo menos seis miembros, que contienen por lo menos un átomo de fósforo o azufre,contienen por lo menos un átomo de fósforo o azufre y el catión 1,8-diazabiciclo[5.4.0]undec-7-enio así como elcatión 1,8-diazabiciclo[4.3.0]non-5-enio así como oligómeros y polímeros que contienen estos cationes.

    50.
    发明专利
    未知

    公开(公告)号:AT487689T

    公开(公告)日:2010-11-15

    申请号:AT00993318

    申请日:2000-11-27

    Applicant: BASF SE

    Abstract: The invention relates to a method for producing o-choromethyl benzenecarbonyl chlorides of formula (I), wherein R -R can be the same or different and stand for hydrogen, C1-C4-alkyl, halogen or trifluoromnethyl, by converting benzocondensed lactones of formula (II), wherein R -R have the aforementioned meaning, with gaseous or liquid phosgene and the dimers or trimers thereof. The inventive method is characterized in that the conversion is carried out in the presence of catalytical amounts of a Lewis acid and catalytical amounts of a phosgenation catalyst

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