公开(公告)号：MY137427A

公开(公告)日：2009-01-30

申请号：MYPI20031886

申请日：2003-05-21

Applicant: BASF AG

Inventor： MAIXNER STEFAN DR ,  BENISCH CHRISTOPH DR ,  LUYKEN HERMANN ,  BASLER PETER DR ,  FISCHER ROLF-HARTMUTH DR ,  MELDER JOHANN-PETER DR ,  ANSMANN ANDREAS DR

IPC: C07C209/84 ,  C07C211/09 ,  C07C211/12 ,  C07C253/34 ,  C07C255/09 ,  C07C255/24

Abstract: A PROCESS FOR REDUCING THE LEVEL OF AN ALIPHATIC MONOUNSATURATED AMINE (IV) INA MIXTURE (V) CONTAINING AN AMINONITRILE (I) OR A DIAMINE (II) OR A DINITRILE (III) OR MIXTURES THEREOF AS WELL AS SAID AMINE (IV) BYA) REACTING SAID MIXTURE (V) WITH AN ANIONIC NUCLEOPHILE (VI ) WHICH CONTAINS A NUCLEOPHILIC ATOM SELECTED FROM THE GROUP CONSISTING OF OXYGEN, NITROGEN AND SULFUR, WHICH IS CAPABLE OF TAKING UP AN H+ ION TO FROM AN ACID HAVING A PKa VALUE IN THE RANGE FROM 7 TO 11, AS MEASURED IN WATER AT 25°C, AND WHICH HAS A RELATIVE NUCLEOPHILICITY,AS MEASURED IN METHYL PERCHLORATE/METHANOL AT 25°C, IN THE RANGE FROM 3.4 TO 4.7 WHEN SAID NUCLEOPHILIC ATOM IS OXYGEN, IN THE RANGE FROM 4.5 TO 5.8 WHEN SAID NUCLEOPHILIC ATOM IS NITROGEN, AND IN THE RANGE FROM 5.5 TO 6.8 WHEN SAID NUCLEOPHILIC ATOM IS SULFUR IN AN AMOUNT IN THE RANGE FROM 0.01 TO 10 MOL PER MOLE OF SAID AMINE (IV) IN SAID MIXTURE (V) AT A TEMPERATURE IN THE RANGE FROM 50 TO 200°C TO OBTAIN A MIXTURE (VII),B) DISTILLING SAID AMINONITRILE (I) OR SAID DIAMINE (II) OR SAISD DINITRILE (III) OR MIXTURES THEREOF FROM SAID MIXTURE (VII) AT A TEMPERATURE IN THE RANGE FROM 50 TO 200°C AND AT A PRESSURE IN THE RANGE FROM 0.1 TO 100 KPA TO OBTAIN A BOTTOM PRODUCT (VIII), WHICH COMPRISES C) DISTILLING AN AMINONITRILE (I) OR DIAMINE (II) OR DINTRILE (III) OR MIXTURES THEREOF FORM SAID BOTTOM PRODUCT (VIII) AT ATEMPERATURE WHICH IS LOWER THAN THAT CHOSEN IN STEP B).

公开(公告)号：MY134242A

公开(公告)日：2007-11-30

申请号：MYPI20023928

申请日：2002-10-22

Applicant: BASF AG

Inventor： ANSMANN ANDREAS DR ,  BENISCH CHRISTOPH DR ,  BASLER PETER DR ,  FISCHER ROLF-HARTMUTH DR ,  MAIXNER STEFAN DR ,  MELDER JOHANN-PETER DR ,  LUYKEN HERMANN

IPC: B01J23/745 ,  B01J37/18 ,  B01J23/889 ,  C07B61/00 ,  C07C209/48 ,  C07C211/12 ,  C07C253/30 ,  C07C255/24

Abstract: A COMPOSITION WHICH IS SUITABLE AS A CATALYST COMPRISES A)IRON OR A MIXTURE COMPRISING IRON AND A COMPOUND BASED ON IRON,WHEREIN THE IRON HAS AN AVERAGE MEAN CRYSTALLITE SIZE IN THE RANGE FROM 1 TO 35 NM, MEASURED BY MEANS OF X-RAY DIFFRACTION.

公开(公告)号：MY137506A

公开(公告)日：2009-02-27

申请号：MYPI20015343

申请日：2001-11-21

Applicant: BASF AG

Inventor： OHLBACH FRANK DR ,  BENISCH CHRISTOPH DR ,  LUYKEN HERMANN ,  ANSMANN ANDREAS DR ,  FISCHER ROLF-HARTMUTH DR ,  MELDER JOHANN-PETER DR ,  BASLER PETER DR ,  MAIXNER STEFAN DR

IPC: C07C209/84 ,  C07C211/09 ,  C07C253/34 ,  C07C255/24

Abstract: A PROCESS IS PROVIDED FOR REDUCING THE CONTENT OF A MONOUNSATURATED ALIPHATIC AMINE (III) IN A MIXTURE (IV) CONTAINING AN AMINONITRILE (I) OR A DIAMINE (II), OR MIXTURES THEREOF, AND THE AMINE (III), WHEREIN a)THE MIXTURE (IV) IS REACTED WITH AN ANIONIC NUCLEOPHILE (V), WHICH CONTAINS A NUCLEOPHILIC ATOM SELECTED FROM THE GROUP COMPRISING OXYGEN, NITROGEN AND SULFUR, WHICH IS CAPABLE OF TAKING UP AN H+ ION TO FORM AN ACID WITH A PKA RANGING FROM 7 TO 11, MEASURED IN WATER AT 25°C, AND WHICH HAS A RELATIVE NUCLEOPHILICITY, MEASURED IN METHYL PERCHLORATE/METHANOL AT 25°C, RANGING FROM 3.4 TO 4.7 WHEN OXYGEN IS THE NUCLEOPHILIC ATOM, RANGING FROM 4.5 TO 5.8 WHEN NITROGEN IS THE NUCLEOPHILIC ATOM, AND RANGING FROM 5.5 TO 6.8 WHEN SULFUR IS THE NUCLEOPHILIC ATOM, IN AN AMOUNT RANGING FROM 0.01 TO 10 MOL PER MOLE OF AMINE (III) IN THE MIXTURE (IV), TO GIVE A MIXTURE (VI), AND B) THE AMINONITRILE (I) OR THE DIAMINE (II), OR MIXTURES THEREOF, ARE DISTILLED FROM THE MIXTURE (VI) AT A TEMPERATURE RANGING FROM 50 TO 170°C AND A PRESSURE RANGING FROM 0.5 TO 100 KPA

公开(公告)号：MY134410A

公开(公告)日：2007-12-31

申请号：MYPI20034293

申请日：2003-11-10

Applicant: BASF AG

Inventor： LUYKEN HERMANN ,  ANSMANN ANDREAS DR ,  BENISCH CHRISTOPH DR ,  BASLER PETER DR ,  FISCHER ROLF-HARTMUTH DR ,  MAIXNER STEFAN DR ,  MELDER JOHANN-PETER DR

IPC: C07D201/16 ,  C07D201/08

Abstract: A PROCESS FOR PURIFYING CRUDE CAPROLACTAM WHICH HAS BEEN OBTAINED BY 1) CONVERTING A MIXTURE (I) COMPRISING 6-AMINOCAPRONITRILE AND WATER TO A MIXTURE (II) COMPRISING CAPROLACTAM,AMMONIA, WATER, HIGH BOILERS AND LOW BOILERS IN THE PRESENCE OF A CATALYST, THEN2) REMOVING AMMONIA FROM MIXTURE (II) TO OBTAIN A MIXTURE (III) COMPRISING CAPROLACTAM, WATER,HIGH BOILERS AND LOW BOILERS, THEN3) COMPLETELY OR PARTLY REMOVING WATER FROM MIXTURE (III) TO OBTAIN CRUDE CAPROLACTAM (IV) COMPRISING CAPROLACTAM, HIGH BOILERS AND LOW BOILERS, WHICH COMPRISES A) FEEDING THE CRUDE CAPROLACTAM AND AN INORGANIC ACID WHICH HAS A BOILING POINT ABOVE THE BOILING POINT OF CAPROLACTAM UNDER THE DISTILLATION CONDITIONS OF THE FOLLOWING STEPS B) TO H) TO A FIRST DISTILLATION APPARATUS C1,@ B) DISTILLING THE CRUDE CAPROLACTAM AND THE INORGANIC ACID IN THE FIRST DISTILLATION APPARATUS C1, AND REMOVING A FIRST SUBSTREAM IN THE BOTTOM REGION AND A SECOND SUBSTREAM IN THE TOP REGION OF THE DISTILLATION APPARATUS C1,@ C) FEEDING THE SECOND SUBSTREAM FROM STEP B) TO A SECOND DISTILLATION APPARATUS C2,@ D) DISTILLING THE SECOND SUBSTREAM FROM STEP B) IN THE SECOND DISTILLATION APPARATUS C2, AND REMOVING A FIRST SUBSTREAM IN THE BOTTOM REGION AND A SECOND SUBSTREAM IN THE TOP REGION OF THE DISTILLATION APPARATUS C2,@ E) FEEDING THE FIRST SUBSTREAM FROM STEP D) TO A THIRD DISTILLATION APPARATUS C3,@ F) DISTILLING THE FIRST SUBSTREAM FROM STEP D) TO A THIRD DISTILLATION APPARATUS C3, AND REMOVING A FIRST SUBSTREAM IN THE BOTTOM REGION AND PURIFIED CAPROLACTAM IN THE TOP REGION OF DISTILLATION APPARATUS C3, AND

公开(公告)号：MY134312A

公开(公告)日：2007-12-31

申请号：MYPI20032572

申请日：2003-07-09

Applicant: BASF AG

Inventor： BASLER PETER DR ,  MAIXNER STEFAN DR ,  SCHEIDEL JENS DR

IPC: C07C51/09 ,  C07B61/00 ,  C07C51/36 ,  C07C55/14 ,  C07C67/10 ,  C07C67/303 ,  C07C67/343 ,  C07C67/347 ,  C07C69/44

Abstract: A PROCESS FOR THE PREPARATION OF A DICARBOXYLIC ACID OF THE FORMULA (I) H - OOC - (N - C4HX) - COO - H (I) WHERE X IS 6 OR 8,STARTING FROM ACRYLIC ACID, WHICH COMPRISES A) REACTING A DICARBOXYLIC ACID DIESTER OF THE FORMULA (II) R1 - OOC - (N - C4HX) - COO - R2 (II) WHERE X IS 6 OR 8, AND RL AND R2, INDEPENDENTLY OF ONE ANOTHER, ARE C1-,C2, C3-OR C4-ALKYL, ARYL OR HETEROARYL AND MAY BE IDENTICAL TO OR DIFFERENT FROM ONE ANOTHER, WITH ACRYLIC ACID TO GIVE A DICARBOXYLIC ACID OF THE FORMULA (I) AND A MIXTURE OF ACRYLIC ACID ESTERS OF THE FORMULAE C2H3-COOR1 AND C2H3-COOR2, WHERE R1AND R2 ARE AS DEFINED ABOVE, B) SEPARATING THE DICARBOXYLIC ACID OF THE FORMULA (I) OBTAINED IN STEP A) FROM THE REACTION MIXTURE OBTAINED IN STEP A),C) DIMERIZING THE C2H3-COOR1, C2H3-COOR2 OR MIXTURE THEREOF OBTAINED IN STEP A) TO GIVE AN NBUTENEDICARBOXYLIC ACID DIESTER, AND D) CLEAVING THE DICARBOXYLIC ACID DIESTER OBTAINED IN STEP C) INTO THE CORRESPONDING DICARBOXYLIC ACID OF THE FORMULA (I).(FIG 1)