HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 595846Generated: October 31, 2026
Acetyl chloride → HCID 118045233, compound
https://huagongshe.com/reaction/595846
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Acetyl chloride | HCID 6367 | — |
| Reactant | Diisopropylethylamine | HCID 81531 | — |
| Reactant | HCID 118045729 | HCID 118045729 | — |
| Solvent | Dichloromethane | HCID 6344 | — |
| Product | HCID 118045233 | HCID 118045233 | — |
Reaction Steps
To 3-bromo-5-(piperidin-4-yl)pyrazin-2-amine (50 mg, 0.194 mmol) in DCM (4 mL) in ice bath was added DIEA (0.136 mL, 0.778 mmol) and acetyl chloride (0.017 mL, 0.233 mmol). The reaction mixture was stirred at in ice bath 30 min. The reaction mixture was partitioned between DCM and water. The DCM layer was separated and washed with brine. Dried over sodium sulfate, filtered and evaporated. Proceed for next step. LCMS (m/z): 299.1/301.1 (MH+), 0.508 min. 1H NMR (400 MHz, CD3OD) δ ppm 7.81-7.69 (m, 2 H), 7.62-7.45 (m, 2H), 7.37-7.09 (m, 6H), 6.5 (dd, J=8.61, 2.35 Hz, 1H), 6.50 (dd, J=13.50, 2.15 Hz, 1H), 5.17-5.01 (m, 1H), 4.55 (d, J=13.30 Hz, 1H), 3.94 (d, J=13.69 Hz, 1H), 3.83-3.63 (m, 2H), 2.88 (tt, J=11.84, 3.62 Hz, 1H), 2.67 (td, J=12.91, 2.35 Hz, 1H), 2.03 (s, 3H), 1.96-1.79 (m, 2H), 1.78-1.50 (m, 2H).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|
| Patent number | US09242996B2 |
|---|
| Source dataset | uspto-grants-2016_01 |
|---|
| ORD ID | ord-ea4dcc114fcb40c7880793a8bf076a2b |
|---|
| Source note | uspto-grants-2016_01 |
|---|