公开(公告)号：HU0104214A2

公开(公告)日：2002-03-28

申请号：HU0104214

申请日：1999-10-29

Applicant: BASF AG

Inventor： FISCHER JAKOB ,  HENKELMANN JOCHEM ,  SIEGEL WOLFGANG ,  STAMM ARMIN

IPC: C07B61/00 ,  C07C253/30 ,  C07C255/10 ,  C07C255/35

Abstract: The invention relates to a process for the preparation of alpha-chloronitriles by reaction of cyanohydrins of aldehydes or ketones with phosgene using a phosphine oxide as catalyst.

公开(公告)号：DE10030685A1

公开(公告)日：2002-01-03

申请号：DE10030685

申请日：2000-06-23

Applicant: BASF AG

Inventor： STAMM ARMIN ,  FRIEDRICH HOLGER ,  EIERMANN MATTHIAS

IPC: C07C303/22 ,  C07C309/80 ,  C07D233/58 ,  C07C303/02 ,  B01J31/02 ,  C07C309/78 ,  C07D213/73

Abstract: Aliphatic sulfonic acid chlorides are produced by reaction of aliphatic sulfonic acids with phosgene in the presence of dimethylformamide comprises addition of catalytic amounts of a base or a sulfonic acid salt of a base.

公开(公告)号：CA2393515A1

公开(公告)日：2001-06-14

申请号：CA2393515

申请日：2000-11-27

Applicant: BASF AG

Inventor： KEIL MICHAEL ,  HENKELMANN JOCHEM ,  STAMM ARMIN ,  GOETZ NORBERT ,  GOETZ ROLAND ,  WOLF BERND ,  STEINMETZ ADRIAN

IPC: C07C51/58 ,  C07B61/00 ,  C07C51/60 ,  C07C57/76 ,  C07C63/10

Abstract: The invention relates to a method for producing o-chloromethyl benzoic acid chlorides of formula (I), in which R1 to R4 can be the same or different and represent hydrogen C1-C4 alkyl, halogen or trifluoromethyl, by reacting benz o- condensed lactones of formula (II), in which R1 to R4 have the above-mention ed meaning, with thionyl chloride. The inventive method is characterized in tha t the reaction is carried out in the presence of catalytic quantities of a Lew is acid and in the presence of catalytic quantities of a phosphine derivative.

公开(公告)号：AU6443200A

公开(公告)日：2001-04-10

申请号：AU6443200

申请日：2000-08-23

Applicant: BASF AG

Inventor： STAMM ARMIN ,  KNEUPER HEINZ-JOSEF ,  THIL LUCIEN ,  HENKELMANN JOCHEM

IPC: C07C263/10 ,  C07C265/08 ,  C07C265/10 ,  C07C265/12

Abstract: The present invention relates to a process for the preparation of aliphatic, cycloaliphatic, araliphatic and aromatic mono- and oligoisocyanates by phosgenation of the corresponding primary amines at atmospheric pressure, which comprisesa) introducing a catalytic amount of a monoisocyanate (isocyanate a) into an inert solvent together with phosgene;b) adding the primary amine, andc) reacting the resulting reaction mixture with phosgene.

公开(公告)号：DE19850857A1

公开(公告)日：2000-05-11

申请号：DE19850857

申请日：1998-11-04

Applicant: BASF AG

Inventor： STAMM ARMIN ,  HENKELMANN JOCHEM

IPC: C07C51/60 ,  C07C53/42 ,  C07C53/50 ,  C07C51/58 ,  C07C309/78

Abstract: The invention relates to a method for producing acid chlorides by reacting carboxylic acids, carboxylic acid anhydrides, cyclic carboxylic acid esters or sulfonic acids with phosgene in the presence of a catalytic amount of a compound from the group comprised of N, N, N', N'-tetrasubstituted amidinium halides (I), N, N, N'-trisubstituted amidinium hydrohalides (II) and N, N, N'-trisubstituted amidines (III).

公开(公告)号：DE19850856A1

公开(公告)日：2000-05-11

申请号：DE19850856

申请日：1998-11-04

Applicant: BASF AG

Inventor： STAMM ARMIN ,  FISCHER JAKOB ,  HENKELMANN JOCHEM ,  SIEGEL WOLFGANG

IPC: C07B61/00 ,  C07C253/30 ,  C07C255/10 ,  C07C255/35

Abstract: The invention relates to a method for the production of alpha -chloronitrile by reacting cyanohydrins of aldehydes or ketones with a phosgene using phosphine oxide as catalyst.

公开(公告)号：AU5409899A

公开(公告)日：2000-02-01

申请号：AU5409899

申请日：1999-07-06

Applicant: BASF AG

Inventor： STAMM ARMIN ,  HENKELMANN JOCHEM

IPC: C07D233/61 ,  C07D233/90 ,  C07D521/00

Abstract: In a process for preparing carbonyldiimidazole of the general formulae Ia, Ib, Ic or mixtures thereofwhere R1 is hydrogen or a C1-4-alkyl radical and R2 is hydrogen or a methyl radical, by reacting at least one imidazole of the general formulae IIa and IIbin which R1 and R2 have the abovementioned meaning, with phosgene in an inert solvent, stoichiometric amounts, based on the imidazoles, of an organic nitrogen base which has a lower pKb than imidazole are added to the reaction mixture.

公开(公告)号：CA2336657A1

公开(公告)日：2000-01-20

申请号：CA2336657

申请日：1999-07-06

Applicant: BASF AG

Inventor： STAMM ARMIN ,  HENKELMANN JOCHEM

IPC: C07D233/61 ,  C07D233/90 ,  C07D521/00

Abstract: The invention relates to a method for producing carbonyl diimidazoles of general formulas (Ia), (Ib), (Ic) or mixtures thereof, whereby R1 represents hydrogen or a C1-C4 alkyl radical and R2 represents hydrogen or a methyl radical. According to the invention, stoichiometric quantities of an organic nitrogenous base which comprises a lower pKb value than imidazole is added t o the reaction mixture with regard to the imidazoles by reacting at least one imidazole of general formulas (IIa) and (IIb) in which R1 and R2 have the aforementioned meanings with phosgene in an inert solvent.

公开(公告)号：DE19826936A1

公开(公告)日：1999-12-23

申请号：DE19826936

申请日：1998-06-17

Applicant: BASF AG

Inventor： STAMM ARMIN ,  HENKELMANN JOCHEM

IPC: C07D233/56 ,  C07D233/60 ,  C07D233/95 ,  C07D521/00

Abstract: In the production of carbonyldiimidazole (I) from imidazole and phosgene in an inert solvent, the imidazole hydrochloride (II) formed as coupling product is separated as melt by phase separation from the reaction mixture.

公开(公告)号：DE19824929A1

公开(公告)日：1999-12-09

申请号：DE19824929

申请日：1998-06-04

Applicant: BASF AG

Inventor： WEYER HANS-JUERGEN ,  STAMM ARMIN ,  WEBER THEODOR ,  HENKELMANN JOCHEM

IPC: B01J31/02 ,  C07B39/00 ,  C07B61/00 ,  C07C17/16 ,  C07C19/01 ,  C07C41/22 ,  C07C17/093 ,  C07B41/08

Abstract: The invention relates to a method for producing alkyl chloride, alkenyl chloride and alkinyl chloride from alcohols by means of a reaction with a chlorinating agent in the presence of a catalyst which is a urea compound of formula (I): R R N-CX-NR R and/or a urea compound of formula (II) and/or a urea compound of formula (III).