HuagongsheHuagongshe Chemistry Print Report · For research reference only
Piperazine → N-ethyl-4-(piperazin-1-yl)benzamide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Piperazine | HCID 4837 | — |
| Reactant | N-ethyl-4-fluorobenzamide | HCID 4693101 | — |
| Product | N-ethyl-4-(piperazin-1-yl)benzamide | HCID 28749590 | 77% |
Reaction Steps
Using N-ethyl-4-fluorobenzamide in the general procedure for nucleophilic aromatic substitution reactions with piperazine, the title compound was obtained (77% yield) as a white solid. 1H NMR (400 MHz, DMSO-d6) δ ppm 1.10 (t, J=7.07 Hz, 3 H) 2.25 (br. s., 1 H) 2.76-2.86 (m, 4 H) 3.09-3.18 (m, 4H) 3.21-3.28 (m, 2 H) 6.90 (m, J=8.84 Hz, 2 H) 7.67-7.75 (m, 2 H) 8.11 (t, J=5.31 Hz, 1 H). ESI-MS: m/z 234.2 (M+H)+. mp=131.3-134.4° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08822470B2 |
| Source dataset | uspto-grants-2014_09 |
| ORD ID | ord-58c49c44c11643dbb717aee78d1928f3 |
| Source note | uspto-grants-2014_09 |