公开(公告)号：DE2329375A1

公开(公告)日：1975-01-16

申请号：DE2329375

申请日：1973-06-08

Applicant: HOECHST AG

Inventor： KUNSTMANN WALTER DIPL CHEM DR ,  RIBKA JOACHIM DIPL CHEM DR

IPC: C08K5/00 ,  C08K5/22 ,  C08L1/00 ,  C08L27/00 ,  C09B33/153 ,  C09D11/00 ,  C09D11/02 ,  C09B33/14 ,  C09B31/10

公开(公告)号：DE2453055A1

公开(公告)日：1976-05-13

申请号：DE2453055

申请日：1974-11-08

Applicant: HOECHST AG

Inventor： KUNSTMANN WALTER DIPL CHEM DR ,  MEES BERNHARD DIPL CHEM DR

IPC: C07B61/00 ,  B01J23/00 ,  C07C67/00 ,  C07C209/00 ,  C07C209/36 ,  C07C211/50 ,  C07D235/26 ,  C07C87/50

Abstract: 1,2,4-TRIAMINO BENZENES ARE OBTAINED IN HIGH YIELD AND PURITY BY CATALYTIC HYDROGENATION OF 2,4-DINITRO ANILINES IN WATER CONTAINING AT LEAST ONE MOLAR EQUIVALENT OF A MONO- OR DI-CARBOXYLIC ACID. The products are known and useful as intermediates for dyes and biocides.

公开(公告)号：DE2302522A1

公开(公告)日：1974-08-15

申请号：DE2302522

申请日：1973-01-19

Applicant: HOECHST AG

Inventor： KUNSTMANN WALTER DIPL CHEM DR ,  RIBKA JOACHIM DIPL CHEM DR

IPC: C08K5/00 ,  C08K5/3442 ,  C08K5/45 ,  C08L1/00 ,  C08L27/00 ,  C09B35/34 ,  C09D7/00 ,  C09D7/12 ,  D06P3/00

公开(公告)号：DE2137241A1

公开(公告)日：1973-02-08

申请号：DE2137241

申请日：1971-07-26

Applicant: HOECHST AG

Inventor： DIETZ ERICH DIPL CHEM DR ,  SCHILLING KARL DIPL CHEM DR ,  RIBKA JOACHIM DIPL CHEM DR ,  PRETZER WOLFGANG DIPL CHEM DR ,  KUNSTMANN WALTER DIPL CHEM DR

IPC: C09B67/00 ,  C07D29/40

公开(公告)号：DE2144908A1

公开(公告)日：1973-03-15

申请号：DE2144908

申请日：1971-09-08

Applicant: HOECHST AG

Inventor： KUNSTMANN WALTER DIPL CHEM DR ,  RIBKA JOACHIM DIPL CHEM DR ,  JUNKER PETER DIPL CHEM DR

IPC: C07D235/26 ,  C07D49/34

Abstract: 1399627 5 - (Aminobenzonesulphonylamino)- benzimidazolones HOECHST AG 8 Sept 1972 [8 Sept 1971] 41863/72 Heading C2C Novel 5 - (aminobenzenesulphonylamino)- benzimidazolones having the general formula wherein the amino group is meta or para to the sulphonamido group; X 1 and X 2 are hydrogen or halogen atoms or (C 1 -C 4 ) alkyl or alkoxy groups, and R is a hydrogen or halogen atom or a methyl, ethyl, methoxy or ethoxy group; are prepared by reacting a benzenesulphochloride of the general formula with a 5-aminobenzimidazolone of the general formula wherein A is a nitro or acetylamino group, and the acetyl group in the product thus obtained is hydrolysed, or the nitro group in the product is reduced to the amino group.

公开(公告)号：DE2144907A1

公开(公告)日：1973-03-15

申请号：DE2144907

申请日：1971-09-08

Applicant: HOECHST AG

Inventor： JUNKER PETER DIPL CHEM DR ,  RIBKA JOACHIM DIPL CHEM DR ,  KUNSTMANN WALTER DIPL CHEM DR

IPC: C08L27/00 ,  C08K5/34 ,  C08L1/00 ,  C09B29/33 ,  C09B33/153 ,  C09B43/30 ,  C09B43/32 ,  C09B29/00