HuagongsheHuagongshe Chemistry Print Report · For research reference only
Piperazin-4-ylacetophenone → HCID 19367137, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Piperazin-4-ylacetophenone | HCID 97269 | — |
| Reactant | 6-Chloro-2-(chloromethyl)imidazo[1,2-a]pyridine | HCID 4868389 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Product | HCID 19367137 | HCID 19367137 | 50.1% |
Reaction Steps
Following the general procedure of Example 39, Step 2, 6-chloro-2-(chloromethyl) imidazo[1,2-α]pyridine (Example 4. Step 1; 0.294 g), 4-piperazinoacetophenone (Aldrich; 0.366 g), and THF (3 mL) are converted to product, which is chromatographed on silica gel using methanol/dichlormethane (2/98), followed by crystallization from ethyl acetate/dichloromethane, to give 0.270 g of the title compound in two crops; mp 185.5-187° C.; MS m/z 368; IR (mineral oil) 1600, 1661, 1252, 1327, 1197 cm-1 ; 1H NMR (CDCl3) δ2.52, 2.72, 3.40, 3.76, 6.86, 7.13, 7.52, 7.54, 7.86, 8.15.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05912246 |
| Source dataset | uspto-grants-1999_06 |
| ORD ID | ord-e620e6ef62b541ec83164b0550638a42 |
| Source note | uspto-grants-1999_06 |