公开(公告)号：US3652581A

公开(公告)日：1972-03-28

申请号：US3652581D

申请日：1968-12-16

Applicant: BASF AG

Inventor： SPAENIG HERMANN ,  STEIMMIG ANNA ,  SAND JAKOB

IPC: C07D49/36 ,  C07D49/38

CPC classification number: C07D235/08

Abstract: PRODUCTION OF IMIDAZOLES SUBSTITUTED ON NITROGEN BY REACTING IMIDAZOLES WITH ALIPHATIC ALCOHOLS OR ETHERS AT 200450*C. IN THE PRESENCE OF, AS CATALYST, ALUMINA, PUMICE OR TITANIUM OXIDE HAVING AT LEAST 5% PHOSPHORIC ACID DEPOSITED THEREON OR ALUMINA IMPREGNATED WITH AT LEAST 5% OF CA(H2PO4)2 OR THORIUM OXIDE IN AN AMOUNT EQUIVALENT TO AT LEAST 5% TH(NO3)4. THE PRODUCTS ARE VALUABLE INTERMEDIATE FOR THE PRODUCTION OF DYES, TEXTILE AUXILIARIES AND INSECTICIDES.

公开(公告)号：BE601125A

公开(公告)日：1961-09-11

申请号：BE601125

申请日：1961-03-09

Applicant: BASF AG

Inventor： SAND JAKOB ,  PLATZ ROLF ,  WIRTH FRIEDRICH

IPC: C07C

公开(公告)号：FR1426741A

公开(公告)日：1966-01-28

申请号：FR9735

申请日：1965-03-18

Applicant: BASF AG

Inventor： KROEPER HUGO ,  SAND JAKOB

IPC: C07D233/54 ,  C07D233/56