公开(公告)号：DE10051196A1

公开(公告)日：2002-05-08

申请号：DE10051196

申请日：2000-10-16

Applicant: BASF AG

Inventor： GREINDL THOMAS ,  BRAUN GEROLD ,  WIRSING FRIEDRICH ,  KRUG GEORG

IPC: C07C253/00 ,  C07C255/04 ,  C07C255/05 ,  C07C255/24 ,  C07C253/06

Abstract: Cyanoalkylation of ammonia or organic compounds containing one or more NH functions, by reaction with a carbonyl compound and hydrocyanic acid in a solvent, is carried out in two stages comprising a first stage (i) at a temperature (T1) below the boiling point of the reaction mixture, and a second stage (i) at a temperature (T2) below 150 degrees C. Cyanoalkylation of ammonia or organic compounds containing one or more NH functions, by reaction with a carbonyl compound and hydrocyanic acid (each at 1 mol per NH function to be converted) in a solvent, is carried out in two stages comprising a first stage (i) at a temperature (T1) below the boiling point of the reaction mixture, carried out until the degree of HCN conversion is at least 60% and a second stage (i) at a temperature (T2) below 150degreesC, carried out until the degree of HCN conversion is at least 90%. An Independent claim is included for alpha -cyanoalkylamines (I) obtained by the process.

公开(公告)号：AU2006245816B2

公开(公告)日：2011-04-14

申请号：AU2006245816

申请日：2006-05-02

Applicant: BASF AG

Inventor： BRAUN GEROLD ,  STAMM ARMIN ,  WIRSING FRIEDRICH ,  OFTRING ALFRED ,  BALDENIUS KAI-UWE

IPC: C07C227/26 ,  C07C229/16

Abstract: The invention relates to a process for preparing low-by-product, light-color methylglycine-N,N-diacetic acid tri(alkali metal) salt by alkaline hydrolysis of methylglycinediacetonitrile (MGDN), comprising the steps in the sequence (a) to (f): (a) mixing of MGDN with aqueous alkali at a temperature of ≦̸30° C.; (b) allowing the aqueous alkaline MGDN suspension to react at a temperature in the range from 10 to 30° C. over a period of from 0.1 to 10 h to form a solution; (c) allowing the solution from step (b) to react at a temperature in the range from 30 to 40° C. over a period of from 0.1 to 10 h; (d) optionally allowing the solution from step (c) to react at a temperature in the range from 50 to 80° C. over a period of from 0.5 to 2 h; (e) optionally allowing the solution from step (c) or (d) to react at a temperature in the range from 110 to 200° C. over a period of from 5 to 60 min; (f) hydrolysis and removal of ammonia of the solution obtained in step (c), (d) or (e) by stripping at a temperature of from 90 to 105° C.

公开(公告)号：NO20075532L

公开(公告)日：2008-02-04

申请号：NO20075532

申请日：2007-11-02

Applicant: BASF AG

Inventor： OFTRING ALFRED ,  BRAUN GEROLD ,  WIRSING FRIEDRICH ,  STAMM ARMIN ,  KAI-UWE BALDENIUS

IPC: C07C227/26

Abstract: The invention relates to a process for preparing low-by-product, light-color methylglycine-N,N-diacetic acid tri(alkali metal) salt by alkaline hydrolysis of methylglycinediacetonitrile (MGDN), comprising the steps in the sequence (a) to (f): (a) mixing of MGDN with aqueous alkali at a temperature of ≦̸30° C.; (b) allowing the aqueous alkaline MGDN suspension to react at a temperature in the range from 10 to 30° C. over a period of from 0.1 to 10 h to form a solution; (c) allowing the solution from step (b) to react at a temperature in the range from 30 to 40° C. over a period of from 0.1 to 10 h; (d) optionally allowing the solution from step (c) to react at a temperature in the range from 50 to 80° C. over a period of from 0.5 to 2 h; (e) optionally allowing the solution from step (c) or (d) to react at a temperature in the range from 110 to 200° C. over a period of from 5 to 60 min; (f) hydrolysis and removal of ammonia of the solution obtained in step (c), (d) or (e) by stripping at a temperature of from 90 to 105° C.

公开(公告)号：MX2007013702A

公开(公告)日：2008-01-21

申请号：MX2007013702

申请日：2006-05-02

Applicant: BASF AG

Inventor： STAMM ARMIN ,  BALDENIUS KAI-UWE ,  OFTRING ALFRED ,  BRAUN GEROLD ,  WIRSING FRIEDRICH

IPC: C07C227/26 ,  C07C229/16

Abstract: La invencion se relaciona con un metodo para producir una sal de metal trialcalino de acido metilglicina-N,N-dietanoico de color claro con un bajo contenido de producto secundario, mediante la hidrolisis alcalina de diacetonitrilo de metilglicina, el metodo comprende pasos que se llevan a cabo en el orden (a) a (f): (a) mezclado del diacetonitrilo de metilglicina con una lejia de alcali acuoso a una temperatura de = 30 degree C; (b) la suspension de diacetonitrilo de metilglicina alcalina acuosa luego se hace reaccionar a una temperatura que varia entre 10 y 30 degree C durante un periodo de 0.1 a 10 horas, para formar una solucion; (c) la solucion obtenida en el paso (b) luego se hace reaccionar a una temperatura que varia entre 30 y 40 degree C durante un periodo de 0.1 a 10 horas; (d) opcionalmente la solucion obtenida en el paso (c) se hace reaccionar a una temperatura que varia entre 50 y 80 degree C durante un periodo de entre 0.5 y 2 h; (e) opcionalmente la solucion obtenida en el paso (c) o (d) se hace reaccionar a una temperatura que varia entre 110 y 200 degree C durante un periodo de entre 5 y 60 minutos; (f) hidrolisis y aislamiento de amoniaco de la solucion obtenida en el paso (c), (d) o (e) separando a una temperatura de entre 90 y 105 degree C.

公开(公告)号：ES2252839T3

公开(公告)日：2006-05-16

申请号：ES98928200

申请日：1998-04-16

Applicant: BASF AG

Inventor： HOSSEL PETER ,  ZIRNSTEIN MICHAEL ,  SCHUNTER WALTER ,  WIRSING FRIEDRICH ,  KASEL WOLFGANG ,  OPPENLANDER KNUT

IPC: A61K8/00 ,  A61K8/24 ,  A61K8/40 ,  A61K8/41 ,  A61Q5/00 ,  A61Q5/02 ,  A61Q5/04 ,  A61Q5/10 ,  C11D1/62 ,  D06P1/62 ,  A61K7/50

Abstract: La invención se refiere a preparaciones acuosas de tensioactivos catiónicos, a un procedimiento para su producción y al uso de las mismas.