公开(公告)号：DE3641514A1

公开(公告)日：1988-06-09

申请号：DE3641514

申请日：1986-12-04

Applicant: BASF AG

Inventor： DOCKNER TONI DR ,  KEMPE UWE DR ,  KOEHLER HERMANN DR

IPC: C07D233/92 ,  C07D233/94

公开(公告)号：DE3164055D1

公开(公告)日：1984-07-19

申请号：DE3164055

申请日：1981-03-04

Applicant: BASF AG

Inventor： SCHWARZ HELMUT DR ,  DOCKNER TONI DR ,  KEMPE UWE DR ,  KRUG HERBERT ,  PRAETORIUS WERNER DR ,  MAGNUSSEN PETER DR ,  GALLEI EWALD DR ,  FEHR ERICH DR

IPC: B01J23/00 ,  B01J27/00 ,  B01J27/19 ,  C07B61/00 ,  C07D233/54 ,  C07D233/56 ,  C07D233/58

Abstract: Imidazoles are prepared by reacting 2-imidazolines at from 250 DEG to 500 DEG C. in the presence of molybdenum oxide and nickel oxide and/or cobalt oxide and aluminum oxide, silicon dioxide and/or silicates as catalysts. The imidazoles obtainable by the process according to the invention are valuable starting materials for the preparation of dyes, crop protection agents, textile auxiliaries, catalysts for polyurethanes and epoxy resins, surfactants and drugs, for example the corresponding nitroimidazoles.

公开(公告)号：DE3160092D1

公开(公告)日：1983-04-07

申请号：DE3160092

申请日：1981-03-04

Applicant: BASF AG

Inventor： DOCKNER TONI DR ,  GALLEI EWALD DR ,  KEMPE UWE DR ,  KRUB HERBERT ,  MAGNUSSEN PETER DR ,  PRAETORIUS WERNER DR ,  SCHWARZ HELMUT DR ,  ROMBERG HELMUT DR

IPC: C07D233/54 ,  C07D233/56 ,  C07D233/58

公开(公告)号：DE3620430A1

公开(公告)日：1987-12-23

申请号：DE3620430

申请日：1986-06-18

Applicant: BASF AG

Inventor： KEMPE UWE DR ,  DOCKNER TONI DR ,  KARN HELMUT ,  BLUEMEL THOMAS DR ,  LEYRER REINHOLD J DR ,  LOERZER THOMAS DR

IPC: C07B61/00 ,  C07D233/54 ,  C07D233/61 ,  C07D233/64 ,  C07D233/58 ,  C07D235/20

Abstract: Hexaarylbisimidazoles I I where Ar1, Ar2 and Ar3 are each aryl, of which Ar2 and Ar3 can be linked to form an anellated ring system, are prepared by oxidizing the corresponding triarylimidazoles II II in an aqueous/organic two-phase system in the presence of active amounts of an onium salt III.

公开(公告)号：DE3063510D1

公开(公告)日：1983-07-07

申请号：DE3063510

申请日：1980-08-28

Applicant: BASF AG

Inventor： DOCKNER TONI DR ,  KEMPE UWE DR ,  KRUG HERBERT ,  MAGNUSSEN PETER DR ,  PRAETORIUS WERNER DR ,  ROMBERG HELMUT DR

IPC: C07D233/54 ,  C07D233/58

公开(公告)号：DE3060433D1

公开(公告)日：1982-07-08

申请号：DE3060433

申请日：1980-02-29

Applicant: BASF AG

Inventor： KEMPE UWE DR ,  DOCKNER TONI DR ,  FRANK ANTON ,  KARN HELMUT

IPC: C07D233/54 ,  C07D233/64

Abstract: A process for the manufacture of 5-hydroxymethylimidazoles by reaction of an imidazole with formaldehyde or an oligomer of formaldehyde in aqueous hydrochloric acid solution containing from 5 to 18% by weight of hydrogen chloride, at from 80 DEG to 160 DEG C., if desired in a closed system under pressure, followed by isolation in the form of its hydrochloride of the 5-hydroxymethylimidazole obtained.

公开(公告)号：DE3861297D1

公开(公告)日：1991-01-31

申请号：DE3861297

申请日：1988-03-23

Applicant: BASF AG

Inventor： BRUNO SANDER DR ,  SIEGFRIED MARQUARDT ,  GERO LUETH DR ,  HORN ROBERT K DR ,  KEMPE UWE DR

IPC: C02F1/52 ,  C02F1/66

公开(公告)号：DE3427136A1

公开(公告)日：1986-02-06

申请号：DE3427136

申请日：1984-07-24

Applicant: BASF AG

Inventor： KEMPE UWE DR ,  DOCKNER TONI DR ,  SCHLICK ROLF

IPC: C07D233/60 ,  C07D233/66 ,  C07D233/90

Abstract: Imidazole-4(5)-monocarboxylic acids and their salts or betaines are prepared by reacting an imidazole with carbon dioxide and an alkali metal carbonate, an alkali metal bicarbonate and/or an alkali metal hydroxide at from 140 DEG to 230 DEG C. and under from 2 to 350 bar and, if desired, then reacting the product with an acid. The imidazole-4(5)-monocarboxylic acids which can be prepared by the process of the invention are useful starting materials for the preparation of dyes, crop protection agents and drugs.

公开(公告)号：DE3426081A1

公开(公告)日：1986-01-16

申请号：DE3426081

申请日：1984-07-14

Applicant: BASF AG

Inventor： KEMPE UWE DR ,  DOCKNER TONI DR

IPC: C07D233/00 ,  C07D233/54 ,  C07D233/64

公开(公告)号：DE3301717A1

公开(公告)日：1984-07-26

申请号：DE3301717

申请日：1983-01-20

Applicant: BASF AG

Inventor： DOCKNER TONI DR ,  KEMPE UWE DR ,  FRANK ANTON

IPC: C07D233/90

Abstract: Imidazole-4,5-dicarboxylic acid is prepared by a process in which imidazole is reacted with formaldehyde, and the reaction mixture is treated with nitric acid.