HuagongsheHuagongshe Chemistry Print Report · For research reference only
1-Methylpiperazine → N-(2,4-difluorophenyl)-N-methyl-8-(4-methylpiperazin-1-yl)-4H-thieno[3,2-c]chromene-2-carboxamide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 1-Methylpiperazine | HCID 53167 | — |
| Reactant | 8-bromo-N-(2,4-difluorophenyl)-N-methyl-4H-thieno[3,2-c]chromene-2-carboxamide | HCID 57900337 | — |
| Product | N-(2,4-difluorophenyl)-N-methyl-8-(4-methylpiperazin-1-yl)-4H-thieno[3,2-c]chromene-2-carboxamide | HCID 44242026 | — |
Reaction Steps
Following Example 70 and General Procedure D, 8-bromo-N-(2,4-difluorophenyl)-N-methyl-4H-thieno[3,2-c]chromene-2-carboxamide 160bp and N-methylpiperazine were reacted to give 128bp. 1H NMR (400 MHz, CDCl3) δ 7.30 (m, 1H), 6.94-7.00 (m, 2H), 6.85 (m, 1H), 6.75-6.82 (m, 2H), 6.68 (s, 1H), 5.03 (s, 2H), 3.69 (m, 2H), 3.46 (m, 2H), 3.39 (s, 3H), 3.30 (m, 2H), 3.07 (m, 2H), 2.90 (s, 3H). LCMS (ESI) m/z: 456.2.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07928248B2 |
| Source dataset | uspto-grants-2011_04 |
| ORD ID | ord-3325222dc60347bc9bb5e51f0f3e2aa3 |
| Source note | uspto-grants-2011_04 |