Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA871708A
Inventor
Weber Karl-Heinz
Zeile Karl
Danneberg Peter
Giesemann Rolf
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Boehringer Ingelheim GmbH
Original Assignee
Boehringer Ingelheim GmbH
Publication date
Application grantedgrantedCritical
Publication of CA871708ApublicationCriticalpatent/CA871708A/en
Method for the production of 7-chloro-2-methyl-amino-5-phenyl-5h-1,4-benzodiazepine-4-oxide, and 7-chloro-2-methylamino-5-phenyl-3h-1,4-benzodiazepine-4-oxide