HuagongsheHuagongshe Chemistry Print Report · For research reference only
Ethanol → 8-{3-[4-(2-fluorophenyl)-1-piperazinyl]propoxy}-2,3-dihydro-7-methoxy-cyclopenta[c][1]benzopyran-4(1H)-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Ethanol | HCID 702 | — |
| Reactant | 1-(2-Fluorophenyl)piperazine | HCID 70529 | — |
| Reactant | Fumarate | HCID 5460307 | — |
| Reactant | 8-(3-chloropropoxy)-2,3-dihydro-7-methoxycyclopenta[c][1]benzopyran-4(1H)-one | HCID 19927690 | — |
| Solvent | Water | HCID 962 | — |
| Product | 8-{3-[4-(2-fluorophenyl)-1-piperazinyl]propoxy}-2,3-dihydro-7-methoxy-cyclopenta[c][1]benzopyran-4(1H)-one | HCID 19927651 | 59% |
Reaction Steps
Method B (50 h at 60° C.); starting materials: 8-(3-chloropropoxy)-2,3-dihydro-7-methoxy-cyclopenta[c][1]benzopyran-4(1H)-one (example 83) and 1-(2-fluorophenyl)piperazine; yield 59%; fusion point 148°-150° C. (from ethanol). Fumarate (×H2O): method E; yield 78%; the fusion point being 205°-210° C. (from water).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05428038 |
| Source dataset | uspto-grants-1995_06 |
| ORD ID | ord-ffb7d8f8438241a2a755d5adb4e42c60 |
| Source note | uspto-grants-1995_06 |