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US 10,280,133 B2Granted
Process for the manufacture of 4-aminobenzoamidine dihydrochloride
AssigneeBoehringer Ingelheim International GmbH
InventorsWeitong Dong, Christian Wolfgang Hemp, Xiangle Jin, Jun Lu, Ulrich Scholz, Shengmin Su, Wei Xu, Jinsong Yang
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Abstract
The present invention relates to a process for the preparation of 4-aminobenzoamidine (4-AMBA) salts of general formula (I) preferably the salts thereof with hydrochloric or hydrobromic acid, particularly preferred the dichloride salt.
Claims1
A compound of formula (II),
- wherein R is methyl and X is Cl.
Dependencies are inferred from the claim text.