公开(公告)号：HU188736B

公开(公告)日：1986-05-28

申请号：HU398781

申请日：1981-12-29

Applicant: BASF AG

Inventor： HUSSLEIN GERD ,  HAMPRECHT GERHARD ,  KOENIG KARL-HEINZ ,  BOEHM WALTER ,  GENG MANFRED

IPC: C07C59/68 ,  C07C51/00 ,  C07C51/363 ,  C07C51/367 ,  C07C59/70 ,  C07C67/00

Abstract: A process for the preparation of 2,4-dichloro- or 2-methyl-4-chlorophenoxyacetic acid or alpha -2,4-dichloro- or alpha -2-methyl-4-chlorophenoxypropionic acid by reacting phenoxyacetic or 2-methylphenoxyacetic acid or alpha -phenoxypropionic or alpha -2-methylphenoxypropionic acid with chlorine in water, wherein phenoxyacetic acid or phenoxypropionic acid is precipitated from an aqueous solution thereof, chlorine gas is passed into the resulting suspension of phenoxyacetic or 2-methylphenoxyacetic acid or alpha -phenoxypropionic or alpha -2-methylphenoxypropionic acid in water at from 30 DEG to 70 DEG C. at a rate not exceeding the rate at which it is consumed in the suspension, until from 100 to 110% of the theoretically required amount of chlorine gas has been taken up by the suspension, and the 2,4-dichloro- or 2-methyl-4-chloro-phenoxyacetic acid or alpha -2,4-dichloro- or alpha -2-methyl-4-chloro-phenoxypropionic acid is isolated from the suspension.

公开(公告)号：CA1189340A

公开(公告)日：1985-06-25

申请号：CA387801

申请日：1981-10-13

Applicant: BASF AG

Inventor： HUSSLEIN GERD ,  AMMERMANN EBERHARD ,  HAMPRECHT GERHARD ,  WUERZER BRUNO

IPC: A01N43/50 ,  A01N43/56 ,  A01N43/64 ,  A01N43/653 ,  C07D231/12 ,  C07D231/16 ,  C07D233/60 ,  C07D233/61 ,  C07D249/08 ,  C07D521/00 ,  A01N43/48

Abstract: A process for combating the growth of unwanted plants, wherein the soil or the plants are treated with a compound of the formula where Ar denotes substituted or unsubstituted phenyl or naphthyl, R1 denotes hydrogen or methyl, R2 denotes hydrogen or alkyl, R3 denotes alkyl, cycloalkyl, alkenyl, alkynyl, or substituted aralkyl, and Az denotes substituted or unsubstituted pyrazole, imidazole or triazole, or a metal complex thereof, and herbicides for carrying out the process.

公开(公告)号：CA1182473A

公开(公告)日：1985-02-12

申请号：CA391845

申请日：1981-12-09

Applicant: BASF AG

Inventor： HUSSLEIN GERD ,  HAMPRECHT GERHARD ,  KOENIG KARL-HEINZ ,  BOEHM WALTER ,  GAENG MANFRED

IPC: C07C59/68 ,  C07C51/00 ,  C07C51/363 ,  C07C51/367 ,  C07C59/70 ,  C07C67/00

Abstract: A process for the preparation of 2,4-dichloro- or 2-methyl-4-chlorophenoxyacetic acid or .alpha.-2,4-dichloro- or .alpha.-2-methy1-4-chlorophenoxypro-pionic acid by reacting phenoxyacetic or 2-methylphenoxy-acetic acid or .alpha.-phenoxypropionic or .alpha.-2-methylphenoxy-propionic acid with chlorine in water, wherein phenoxyacetic acid or phenoxypropionic acid is precipitated from an aqueous solution thereof, chlorine gas is passed into the resulting suspension of phenoxyacetic or 2-methylphenoxyacetic acid or .alpha.-phenoxypro-pionic or .alpha.-2-methylphenoxypropionic acid in water at from 30 to 70.degree.C at a rate not exceeding the rate at which it is consumed in the suspension, until from 100 to 110% of the theoretically required amount of chlorine gas has been taken up by the suspension, and the 2,4-dichloro-or 2-methyl-4-chloro-phenoxyacetic acid or .alpha.-2,4-dichloro-or .alpha.-2-methyl-4-chloro-phenoxypropionic acid is isolated from the suspension.

公开(公告)号：DD201772A5

公开(公告)日：1983-08-10

申请号：DD23589881

申请日：1981-12-17

Applicant: BASF AG

Inventor： HUSSLEIN GERD ,  HAMPRECHT GERHARD ,  KOENIG KARL-HEINZ ,  BOEHM WALTER ,  GAENG MANFRED

IPC: C07C59/68 ,  C07C51/00 ,  C07C51/363 ,  C07C51/367 ,  C07C59/70 ,  C07C67/00

Abstract: A process for the preparation of 2,4-dichloro- or 2-methyl-4-chlorophenoxyacetic acid or alpha -2,4-dichloro- or alpha -2-methyl-4-chlorophenoxypropionic acid by reacting phenoxyacetic or 2-methylphenoxyacetic acid or alpha -phenoxypropionic or alpha -2-methylphenoxypropionic acid with chlorine in water, wherein phenoxyacetic acid or phenoxypropionic acid is precipitated from an aqueous solution thereof, chlorine gas is passed into the resulting suspension of phenoxyacetic or 2-methylphenoxyacetic acid or alpha -phenoxypropionic or alpha -2-methylphenoxypropionic acid in water at from 30 DEG to 70 DEG C. at a rate not exceeding the rate at which it is consumed in the suspension, until from 100 to 110% of the theoretically required amount of chlorine gas has been taken up by the suspension, and the 2,4-dichloro- or 2-methyl-4-chloro-phenoxyacetic acid or alpha -2,4-dichloro- or alpha -2-methyl-4-chloro-phenoxypropionic acid is isolated from the suspension.

公开(公告)号：CS221983B2

公开(公告)日：1983-04-29

申请号：CS570981

申请日：1981-07-27

Applicant: BASF AG

Inventor： VARWIG JUERGEN ,  HUSSLEIN GERD ,  HAMPRECHT GERHARD ,  WUERZER BRUNO

IPC: C07C69/712 ,  A01N37/00 ,  A01N39/02 ,  A01N43/40 ,  A01N43/56 ,  C07C15/30 ,  C07C51/00 ,  C07C59/135 ,  C07C59/60 ,  C07C59/68 ,  C07C67/00 ,  C07C69/736 ,  C07C231/00 ,  C07C233/00 ,  C07C235/06 ,  C07C235/16 ,  C07C235/22 ,  C07C235/26 ,  C07C235/34 ,  C07C239/14 ,  C07C241/00 ,  C07C245/08 ,  C07C325/00 ,  C07C327/22 ,  C07C327/42 ,  C07C327/44

公开(公告)号：DK157672C

公开(公告)日：1990-07-16

申请号：DK569681

申请日：1981-12-22

Applicant: BASF AG

Inventor： HUSSLEIN GERD ,  HAMPRECHT GERHARD ,  KOENIG KARL-HEINZ ,  BOEHM WALTER ,  GAENG MANFRED

IPC: C07C59/68 ,  C07C51/00 ,  C07C51/363 ,  C07C51/367 ,  C07C59/70 ,  C07C67/00

Abstract: A process for the preparation of 2,4-dichloro- or 2-methyl-4-chlorophenoxyacetic acid or alpha -2,4-dichloro- or alpha -2-methyl-4-chlorophenoxypropionic acid by reacting phenoxyacetic or 2-methylphenoxyacetic acid or alpha -phenoxypropionic or alpha -2-methylphenoxypropionic acid with chlorine in water, wherein phenoxyacetic acid or phenoxypropionic acid is precipitated from an aqueous solution thereof, chlorine gas is passed into the resulting suspension of phenoxyacetic or 2-methylphenoxyacetic acid or alpha -phenoxypropionic or alpha -2-methylphenoxypropionic acid in water at from 30 DEG to 70 DEG C. at a rate not exceeding the rate at which it is consumed in the suspension, until from 100 to 110% of the theoretically required amount of chlorine gas has been taken up by the suspension, and the 2,4-dichloro- or 2-methyl-4-chloro-phenoxyacetic acid or alpha -2,4-dichloro- or alpha -2-methyl-4-chloro-phenoxypropionic acid is isolated from the suspension.

公开(公告)号：AU542994B2

公开(公告)日：1985-03-28

申请号：AU7347381

申请日：1981-07-27

Applicant: BASF AG

Inventor： VARWIG JUERGEN ,  HUSSLEIN GERD ,  HAMPRECHT GERHARD ,  WUERZER BRUNO

IPC: C07C69/712 ,  A01N37/00 ,  A01N39/02 ,  A01N43/40 ,  A01N43/56 ,  C07C15/30 ,  C07C51/00 ,  C07C59/135 ,  C07C59/60 ,  C07C59/68 ,  C07C67/00 ,  C07C69/736 ,  C07C231/00 ,  C07C233/00 ,  C07C235/06 ,  C07C235/16 ,  C07C235/22 ,  C07C235/26 ,  C07C235/34 ,  C07C239/14 ,  C07C241/00 ,  C07C245/08 ,  C07C325/00 ,  C07C327/22 ,  C07C327/42 ,  C07C327/44 ,  A01N43/42 ,  A01N43/54 ,  C07C51/363 ,  C07C67/08 ,  C07C67/307 ,  C07C102/04 ,  C07C103/76 ,  C07C153/11 ,  C07D213/64 ,  C07D213/65 ,  C07D215/26 ,  C07D231/12 ,  C09B27/00

公开(公告)号：DD200066A5

公开(公告)日：1983-03-16

申请号：DD23212581

申请日：1981-07-27

Applicant: BASF AG

Inventor： VARWIG JUERGEN ,  HUSSLEIN GERD ,  HAMPRECHT GERHARD ,  WUERZER BRUNO

IPC: C07C69/712 ,  A01N37/00 ,  A01N39/02 ,  A01N43/40 ,  A01N43/56 ,  C07C15/30 ,  C07C51/00 ,  C07C59/135 ,  C07C59/60 ,  C07C59/68 ,  C07C67/00 ,  C07C69/736 ,  C07C231/00 ,  C07C233/00 ,  C07C235/06 ,  C07C235/16 ,  C07C235/22 ,  C07C235/26 ,  C07C235/34 ,  C07C239/14 ,  C07C241/00 ,  C07C245/08 ,  C07C325/00 ,  C07C327/22 ,  C07C327/42 ,  C07C327/44

公开(公告)号：BR8108547A

公开(公告)日：1982-10-19

申请号：BR8108547

申请日：1981-12-30

Applicant: BASF AG

Inventor： HUSSLEIN GERD ,  HAMPRECHT GERHARD ,  KOENIG KARL HEINZ ,  BOEHM WALTER ,  GAENG MANFRED

IPC: C07C59/68 ,  C07C51/00 ,  C07C51/363 ,  C07C51/367 ,  C07C59/70 ,  C07C67/00

Abstract: A process for the preparation of 2,4-dichloro- or 2-methyl-4-chlorophenoxyacetic acid or alpha -2,4-dichloro- or alpha -2-methyl-4-chlorophenoxypropionic acid by reacting phenoxyacetic or 2-methylphenoxyacetic acid or alpha -phenoxypropionic or alpha -2-methylphenoxypropionic acid with chlorine in water, wherein phenoxyacetic acid or phenoxypropionic acid is precipitated from an aqueous solution thereof, chlorine gas is passed into the resulting suspension of phenoxyacetic or 2-methylphenoxyacetic acid or alpha -phenoxypropionic or alpha -2-methylphenoxypropionic acid in water at from 30 DEG to 70 DEG C. at a rate not exceeding the rate at which it is consumed in the suspension, until from 100 to 110% of the theoretically required amount of chlorine gas has been taken up by the suspension, and the 2,4-dichloro- or 2-methyl-4-chloro-phenoxyacetic acid or alpha -2,4-dichloro- or alpha -2-methyl-4-chloro-phenoxypropionic acid is isolated from the suspension.

公开(公告)号：ZA8105164B

公开(公告)日：1982-08-25

申请号：ZA8105164

申请日：1981-07-28

Applicant: BASF AG

Inventor： VARWIG JUERGEN ,  HUSSLEIN GERD ,  HAMPRECHT GERHARD ,  WUERZER BRUNO

IPC: C07C69/712 ,  A01N37/00 ,  A01N39/02 ,  A01N43/40 ,  A01N43/56 ,  C07C15/30 ,  C07C51/00 ,  C07C59/135 ,  C07C59/60 ,  C07C59/68 ,  C07C67/00 ,  C07C69/736 ,  C07C231/00 ,  C07C233/00 ,  C07C235/06 ,  C07C235/16 ,  C07C235/22 ,  C07C235/26 ,  C07C235/34 ,  C07C239/14 ,  C07C241/00 ,  C07C245/08 ,  C07C325/00 ,  C07C327/22 ,  C07C327/42 ,  C07C327/44 ,  C07C

CPC classification number: C07C59/68 ,  A01N39/02 ,  C07C327/00