HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrochloric Acid → 9H-Fluoren-9-one, 2,7-bis(1-oxo-4-(1-piperidinyl)butyl)-, dihydrochloride
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | 2,7-Bis(1-oxo-4-(1-piperidyl)butyl)-9H-fluoren-9-one | HCID 147584 | — |
| Solvent | Chloroform | HCID 6212 | — |
| Product | 9H-Fluoren-9-one, 2,7-bis(1-oxo-4-(1-piperidinyl)butyl)-, dihydrochloride | HCID 147583 | — |
Reaction Steps
2,7-Bis(4-piperidinobutyryl)fluoren-9-one, prepared in Example 33, was dissolved in chloroform and the resulting solution acidified with ethereal HCl to give the desired product which was recrystallized once from water-isopropyl alcohol. M.P. 322°-323° C, λMaxH2O 284, E1cm1% 1,220.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04064347 |
| Source dataset | uspto-grants-1977_12 |
| ORD ID | ord-406852c9f0104ce28964ecd8b87b1353 |
| Source note | uspto-grants-1977_12 |