HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1740621Generated: October 29, 2026
1,2-Dichloroethane → HCID 21837259, compound
https://huagongshe.com/reaction/1740621
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | 1,2-Dichloroethane | HCID 11 | — |
| Reactant | 1-Hydroxybenzotriazole | HCID 75771 | — |
| Reactant | HCID 18700172 | HCID 18700172 | — |
| Reactant | 1-(3-Ethylphenyl)piperazine | HCID 19911473 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | HCID 21837259 | HCID 21837259 | — |
Reaction Steps
1-(3-ethylphenyl)piperazine from the previous step was dissolved in 1 mL dry DMF, and to the solution was added 0.03 g (0.128 mmol) 2-(2,2,2-trifluoroethoxy)phenylacetic acid, 0.017 g (0.128 mmol) HOBT, and 0.024 g (0.128 mmol) EDC. The reaction was stirred for 2 days, after which time the solvent was removed in vacuo and the resulting residue partitioned between EtOAc/H2O. The aqueous phase was extracted with EtOAc and the combined organic phases were washed with H2O, brine, dried over Na2SO4 and filtered. Removal of the solvent and subsequent purification via preparative TLC (2:1 Hexane/EtOAc) yielded the title compound as the free base. This was dissolved in 20 mL EtOAc and an excess of ethanolic HCl was added. The solvent was removed to give the Hcl salt of the title compound.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US05968938 |
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| Source dataset | uspto-grants-1999_10 |
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| ORD ID | ord-66f289cd132b4e0f96507ae2354e72f1 |
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| Source note | uspto-grants-1999_10 |
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