HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrochloric Acid → 7-(1-Aminomethyl-2-oxa-7-azabicyclo[3.3.0]oct-7-yl)-1-ethyl-6,8-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid hydrochloride
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | 7-(1-Tert-butoxycarbonylaminomethyl-2-oxa-7-azabicyclo[3.3.0]oct-7-yl)-1-ethyl-6,8-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid | HCID 19960965 | — |
| Product | 7-(1-Aminomethyl-2-oxa-7-azabicyclo[3.3.0]oct-7-yl)-1-ethyl-6,8-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid hydrochloride | HCID 67726873 | — |
Reaction Steps
In an analogous manner to Example 1B, the product from step A is reacted with half-concentrated hydrochloric acid to give 7-(1-aminomethyl-2-oxa-7-azabicyclo[3.3.0]oct-7-yl)-1-ethyl-6,8-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid hydrochloride with a melting point of 218°-223° C. (with decomposition).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05395944 |
| Source dataset | uspto-grants-1995_03 |
| ORD ID | ord-fb634e84dbfc4135a34a7ac598210b2b |
| Source note | uspto-grants-1995_03 |