HuagongsheHuagongshe Chemistry Print Report · For research reference only
3,4-Difluorobenzeneboronic acid → 2-[4-(3,5-Dichloropyridin-2-yl)piperazin-1-yl]-7-(3,4-difluorophenyl)-5-(trifluoromethyl)-1H-benzoimidazole
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 3,4-Difluorobenzeneboronic acid | HCID 2734337 | — |
| Reactant | 4-Bromo-2-[4-(3,5-dichloropyridin-2-yl)piperazin-1-yl]-6-trifluoromethyl-1H-benzoimidazole | HCID 57835076 | — |
| Product | 2-[4-(3,5-Dichloropyridin-2-yl)piperazin-1-yl]-7-(3,4-difluorophenyl)-5-(trifluoromethyl)-1H-benzoimidazole | HCID 178505509 | — |
Reaction Steps
The reaction of 4-bromo-2-[4-(3,5-dichloropyridin-2-yl)piperazin-1-yl]-6-trifluoromethyl-1H-benzoimidazole (99 mg, 0.2 mmol, Example 9) and 3,4-difluorophenylboronic acid (40 mg, 0.25 mmol, Aldrich) under the conditions of Example 10 gave the title compound as a light-yellow amorphous solid. MS (ESI, pos. ion) m/z: 528 (M+1).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07582761B2 |
| Source dataset | uspto-grants-2009_09 |
| ORD ID | ord-ad4f0232de6f4ebb92771b5bea5cf0e8 |
| Source note | uspto-grants-2009_09 |