HuagongsheHuagongshe Chemistry Print Report · For research reference only
1-(3-(Trifluoromethyl)phenyl)piperazine → 5,7-dimethoxy-4-methyl-3-{2-[4-(3-trifluoromethylphenyl)-1-piperazinyl]ethyl}-2H-1-benzopyran-2-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 1-(3-(Trifluoromethyl)phenyl)piperazine | HCID 4296 | — |
| Reactant | 3-(2-chloroethyl)-5,7-dimethoxy-4-methyl-2H-1-benzopyran-2-one | HCID 19428161 | — |
| Solvent | Isopropanol | HCID 3776 | — |
| Product | 5,7-dimethoxy-4-methyl-3-{2-[4-(3-trifluoromethylphenyl)-1-piperazinyl]ethyl}-2H-1-benzopyran-2-one | HCID 19428167 | 47% |
Reaction Steps
Process B; starting materials: 3-(2-chloroethyl)-5,7-dimethoxy-4-methyl-2H-1-benzopyran-2-one (Example 39) and 1-(3-trifluoromethylphenyl)piperazine; yield 47%; m.p. 138°-139° C. (from isopropanol).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05550129 |
| Source dataset | uspto-grants-1996_08 |
| ORD ID | ord-9e2494fbeab2428ca06a1ba639d89e6f |
| Source note | uspto-grants-1996_08 |