HuagongsheHuagongshe Chemistry Print Report · For research reference only
6-Chloro-3-(trifluoromethyl)-(1,2,4)triazolo(4,3-b)pyridazine → 6-[4-[(1R)-1-(4-fluorophenyl)ethyl]piperazin-1-yl]-3-(trifluoromethyl)[1,2,4]triazolo[4,3-b]pyridazine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 6-Chloro-3-(trifluoromethyl)-(1,2,4)triazolo(4,3-b)pyridazine | HCID 613657 | — |
| Reactant | (R)-1-(1-(4-Fluorophenyl)ethyl)piperazine | HCID 16748801 | — |
| Product | 6-[4-[(1R)-1-(4-fluorophenyl)ethyl]piperazin-1-yl]-3-(trifluoromethyl)[1,2,4]triazolo[4,3-b]pyridazine | HCID 59149798 | 87% |
Reaction Steps
A mixture of (R)-1-[1-(4-fluorophenyl)ethyl]piperazine (obtained as described in J. Med. Chem. 2007, 50, 3528) and 6-chloro-3-(trifluoromethyl)-[1,2,4]triazolo[4,3-b]pyridazine was allowed to react by the method described in Example 306 to give 6-[4-[(1R)-1-(4-fluorophenyl)ethyl]piperazin-1-yl]-3-(trifluoromethyl)[1,2,4]triazolo[4,3-b]pyridazine in 87% yield.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08003649B2 |
| Source dataset | uspto-grants-2011_08 |
| ORD ID | ord-74782aa63b8042edbd9f31b12f207a0e |
| Source note | uspto-grants-2011_08 |