-
公开(公告)号：ES2205829T3
公开(公告)日：2004-05-01
申请号：ES99925022
申请日：1999-05-21
Applicant: BASF AG
Inventor： WEYER HANS-JURGEN , STAMM ARMIN , WEBER THEODOR , HENKELMANN JOCHEM
Abstract: The present invention relates to a process for preparing alkyl, alkenyl and alkynyl chlorides from alcohols by reaction with a chlorinating agent in the presence of a catalyst, wherein the catalyst is a urea compound.
-
公开(公告)号：AU2003254574A1
公开(公告)日：2004-03-11
申请号：AU2003254574
申请日：2003-07-23
Applicant: BASF AG
Inventor： ARNDT JAN-DIRK , KLASS KATRIN , HENKELMANN JOCHEM , KINDLER ALOIS
IPC: C07B61/00 , C07C29/42 , C07C33/042 , C07C33/048 , C07C33/14 , C07C33/48 , C07C403/00
-
公开(公告)号：ES2199484T3
公开(公告)日：2004-02-16
申请号：ES98966901
申请日：1998-12-18
Applicant: BASF AG
Inventor： BRUNNER MELANIE , BOTTCHER ARND , BREITSCHEIDEL BORIS , HALBRITTER KLAUS , HENKELMANN JOCHEM , THIL LUCIEN
Abstract: The hydrogenation of esters of benzene-dicarboxylic acids is carried out on supported catalysts containing a Sub-Group VIIII metal on a macroporous support. A process for the hydrogenation of benzene-dicarboxylic acid ester(s) with hydrogen in presence of a supported catalyst containing Sub-Group VIII metal(s) on a macroporous support. If the ester is dimethyl terephthalate, this excludes hydrogenation on a catalyst containing ruthenium, with or without Sub-Group I, VII or VIII metal(s), on a support with an average pore diameter (APD) of at least 50 nm and a BET surface of not more than 30 m /g, with an active metal content of 0.01-30 wt.% and a ratio of (active metal surface):(support surface) of less than 0.05, and/or on a catalyst containing 0.01-30 wt.% active metal(s) as above on a support in which 10-50 vol.% of the pores consist of macropores with a diameter of 50-10,000 nm and 50-90 vol.% consist of mesopores with a diameter of 2-50 nm.
-
公开(公告)号：AU2003249938A1
公开(公告)日：2004-02-02
申请号：AU2003249938
申请日：2003-07-03
Applicant: BASF AG
Inventor： HENKELMANN JOCHEM , WEBER THEODOR , ROHDE THORSTEN , BUSCH RALPH
IPC: C07C273/18 , C07C275/06
Abstract: The invention relates to a process for the preparation of tetrasubstituted ureas by reaction of the corresponding amines with phosgene in the presence of an aqueous inorganic base at a temperature in the range from 0 to 150° C., which comprises: feeding the corresponding amine, the phosgene and the aqueous inorganic base on average continuously to the reaction apparatus, forming a two-phase system in the reaction apparatus through the choice of the tetrasubstituted ureas to be prepared, through the mixing ratios of the substances and substance mixtures to be fed in, through the temperature during the reaction and, where appropriate, through the feed of an organic solvent which is not completely miscible with water, and discharging the reaction mixture on average continuously from the reaction apparatus.
-
公开(公告)号：AT254597T
公开(公告)日：2003-12-15
申请号：AT99938330
申请日：1999-07-23
Applicant: BASF AG
Inventor： PREISS THOMAS , HENKELMANN JOCHEM , TROFIMOV BORIS , MIKHALEVA ALBINA , VASILTSOV ALEXANDER M
IPC: C07C249/12 , C07B61/00 , C07C249/14 , C07C251/34 , C07C251/38 , C07C251/44
Abstract: In the process for the preparation of vinyloxime ethers of the formula Iby reacting an oxime with an alkynewhereR1 and R2 are identical or different and are alkyl or aryl radicals,R3 is hydrogen, an alkyl or aryl radical, andR4 is a radical having the meaning of R3, which may be different than R3, or is a hydroxyalkyl radical,in a superbasic polar organic solvent in the presence of a strong base, the reaction is carried out under conditions such that the resulting vinyloxime ether stays in contact with the other constituents of the reaction mixture for only a short time so that it is unable to decompose or react to give secondary products to a significant extent.
-
Patent Agency Ranking
公开(公告)号：HU0301077A2
公开(公告)日：2003-08-28
申请号：HU0301077
申请日：2001-02-28
Applicant: BASF AG
Inventor： BUSCH RALPH , HENKELMANN JOCHEM , KNEUPER HEINZ-JOSEF , STAMM ARMIN , WEBER THEODOR
Abstract: The invention relates to a method for producing chlorocarboxylic acid chlorides of formula (I), wherein R and R , independently from one another, mean a hydrogen atom, an organic radical containing carbon, a halogen, a nitro or cyano group and Y means an alkylene chain having 1 to 10 carbon atoms in the chain which is unsubstituted or is substituted by organic radicals that contain carbon, by halogen, nitro and/or cyano groups, whereby the alkylene chain can be interrupted by an ether-, thioether-, tertiary amino- or keto group, whereby the organic radicals of Y and/or R and/or R can be connected to one another and thereby form a non-aromatic system, whereby said radicals contain carbon, by converting a lactone of formula (II), wherein R , R and Y have the aforementioned meanings, using a hydrogen chloride and phosgene in the presence of a catalyst. Hydrogen chloride is added before and/or while phosgene is added. The hydrogen chloride is only introduced at a temperature of at least 60 DEG C. A pyridine compound is used as the catalyst.
-
公开(公告)号：AT241580T
公开(公告)日：2003-06-15
申请号：AT99911747
申请日：1999-03-08
Applicant: BASF AG
Inventor： STAMM ARMIN , HENKELMANN JOCHEM , WEYER HANS-JUERGEN
Abstract: The invention relates to a continuous method for producing propargyl chloride by reacting propargyl alcohol with a chlorinating agent in the presence of a catalyst. According to the invention, the chlorinating agent, propargyl alcohol and 0.1 to 10 mol.% of the catalyst with regard to the amount of propargyl alcohol is continuously dosed in a reaction zone and is reacted at a temperature ranging from 40 to 70 DEG C.
-
公开(公告)号：HU0203482A2
公开(公告)日：2003-02-28
申请号：HU0203482
申请日：2000-11-27
Applicant: BASF AG
Inventor： GOETZ NORBERT DR , GOETZ ROLAND , HENKELMANN JOCHEM , KNEUPER HEINZ-JOSEF , STAMM ARMIN , WOLF BERND DR
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
-
公开(公告)号：DE59903919D1
公开(公告)日：2003-02-06
申请号：DE59903919
申请日：1999-08-13
Applicant: BASF AG
Inventor： KINDLER ALOIS , BRUNNER MELANIE , TRAGUT CHRISTIAN , HENKELMANN JOCHEM
IPC: C07B61/00 , C07C29/42 , C07C33/044
Abstract: The invention relates to a method for producing alkyne diols by reacting ketones with acetylenic hydrocarbons in an organic solvent in the presence of a base which contains potassium alcoholates of primary and/or secondary alcohols. The alkyne diols are produced while forming adducts which precipitate out of the reaction mixture and which are comprised of alkyne monoalcohols and/or alkyne diols and a base. The stoichiometries of the reaction partners are selected such that gelatinous adducts are formed which comprise a spherical surface, whereby the reaction mixture remains agitable during the entire reaction.
-
公开(公告)号：ES2174527T3
公开(公告)日：2002-11-01
申请号：ES98963492
申请日：1998-11-21
Applicant: BASF AG
Inventor： WEYER HANS-JURGEN , STAMM ARMIN , WEBER THEODOR , HENKELMANN JOCHEM
Abstract: The present invention provides process for the preparation of chlorocarbonyl chlorides of the formula IwhereR1 is for example hydrogen or C1- to C20-alkyl andY is for example a saturated or mono- or polyolefinically unsaturated C2-C8-alkylene chain,by reacting lactones with a chlorinating agent in the presence of a urea compound.
-
-
-
-
-
-
-
-
-
Search Results
353
records
(took 0.027 seconds)
