HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2066613Generated: October 29, 2026
tert-Butyl piperazine-1-carboxylate → HCID 59332343, compound
https://huagongshe.com/reaction/2066613
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | tert-Butyl piperazine-1-carboxylate | HCID 143452 | — |
| Reactant | N,N-Diethyl-2-propanamine | HCID 521913 | — |
| Reactant | 4-Chloro-3-nitropyridine | HCID 2735781 | — |
| Solvent | Dichloromethane | HCID 6344 | — |
| Product | HCID 59332343 | HCID 59332343 | — |
Reaction Steps
3-Nitro-4-Chloro pyridine (10 mmol) dissolved in dichloromethane (25 mL) and diethyl iso propyl amine (20 mmol) followed Boc piperazine(10 mmol) was added to the above solution while cooling at 0° C. and the reaction mixture was stirred at room temperature for overnight . The dichloromethane was evaporated under vacuum. The resulting solid is extracted in to dichloromethane and washed with citric acid and brine solution. The evaporation of dichloromethane gave a yellow solid, 4-(3-Nitro-pyridin-4-yl)-piperazine-1-carboxylic acid tert-butyl ester which is used for next step without purification.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US08293747B2 |
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| Source dataset | uspto-grants-2012_10 |
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| ORD ID | ord-995d34cb4cd3417ca37b0837391ee486 |
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| Source note | uspto-grants-2012_10 |
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