HuagongsheHuagongshe Chemistry Print Report · For research reference only
3,4-Difluorobenzeneboronic acid → 5-(3,4-Difluoro-phenyl)-6-trifluoromethyl-2-[4-(3-trifluoromethyl-pyridin-2-yl)-piperazin-1-yl]-1H-benzoimidazole
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 3,4-Difluorobenzeneboronic acid | HCID 2734337 | — |
| Reactant | 5-Bromo-6-trifluoromethyl-2-[4-(3-trifluoromethyl-pyridin-2-yl)-piperazin-1-yl]-1H-benzoimidazole | HCID 11511572 | — |
| Product | 5-(3,4-Difluoro-phenyl)-6-trifluoromethyl-2-[4-(3-trifluoromethyl-pyridin-2-yl)-piperazin-1-yl]-1H-benzoimidazole | HCID 57835146 | — |
Reaction Steps
The reaction of 5-bromo-6-trifluoromethyl-2-[4-(3-trifluoromethyl-pyridin-2-yl)-piperazin-1-yl]-1H-benzoimidazole (250 mg, 0.5 mmol, Example 89 g) with 3,4-difluorophenylboronic acid (95 mg, 0.60 mmol, Aldrich) under the conditions of Example 88 afforded the title compound as a white solid. MS (ESI, pos. ion) m/z: 528.0 (M+1).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08026241B2 |
| Source dataset | uspto-grants-2011_09 |
| ORD ID | ord-d158e36b284d4e8c85519af4061b5a88 |
| Source note | uspto-grants-2011_09 |