HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1656596Generated: October 31, 2026
Dimethylformamide → N-2-(4-nitrophenoxy)ethyl-4-(4-nitrophenoxy)piperidine
https://huagongshe.com/reaction/1656596
Participants
| Role | Name | HCID | Charge |
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| Reactant | Dimethylformamide | HCID 6228 | — |
| Reactant | Potassium Carbonate | HCID 11430 | — |
| Reactant | 1-(2-Bromoethoxy)-4-nitrobenzene | HCID 235987 | — |
| Reactant | 4-(4-Nitrophenoxy)piperidine hydrochloride | HCID 22591401 | — |
| Solvent | Dichloromethane | HCID 6344 | — |
| Product | N-2-(4-nitrophenoxy)ethyl-4-(4-nitrophenoxy)piperidine | HCID 19788723 | 80% |
Reaction Steps
A mixture of 4-(4-nitrophenoxy)piperidine hydrochloride (1.15 g, 5.80 mmol), 1-bromo-2-(4-nitrophenoxy)ethane (1.43 g, 5.80 mmol), K2CO3 (1.60 g, 11.80 mmol), and DMF (15 mL) was heated at 90° C. for 6 hours. The mixture was cooled, diluted with CH2Cl2, and washed with water. The organic phase was dried (MgSO4) and concentrated to give 1.70 g (80%) of N-2-(4-nitrophenoxy)ethyl-4-(4-nitrophenoxy)piperidine as a yellow solid. 1H NMR (DMSO-d6): δ 8.10 (m, 4H), 7.05 (d, 4H), 4.60 (m, 1H), 4.15 (t, 2H), 2.78 (m, 4H), 2.40 (t, 2H), 1.95 (m, 2H), 1.65 (m, 2H).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US05254689 |
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| Source dataset | uspto-grants-1993_10 |
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| ORD ID | ord-f4a687344b824e449e7b500a083f4aae |
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| Source note | uspto-grants-1993_10 |
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