HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1988403Generated: October 25, 2026
1,5-Dibromopentane → Ethyl 1-cyanocyclohexane-1-carboxylate
https://huagongshe.com/reaction/1988403
Participants
| Role | Name | HCID | Charge |
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| Reactant | 1,5-Dibromopentane | HCID 8100 | — |
| Reactant | Ethyl Acetate | HCID 8857 | — |
| Reactant | Cesium carbonate | HCID 10796 | — |
| Reactant | Cyanoacetate | HCID 1551036 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | Ethyl 1-cyanocyclohexane-1-carboxylate | HCID 10997650 | 57% |
Reaction Steps
To a solution of cyanoacetate (1 eq) in DMF at 0° C. was slowly added cesium carbonate (2.5 eq), followed by the slow addition of 1,5-dibromopentane. This mixture was allowed to stir for 30 minutes at 0° C. and at room temperature for two hours. The crude reaction mixture was diluted with ethyl acetate and washed three times with water, dried with anhydrous sodium sulfate, filtered, and concentrated. The compound was clean enough to continue without purification. 57% yield. 1H NMR (300 MHz, CDCl3) δ 4.25 (q, 2H), 2.12-1.68 (m, 10H), 1.31 (t, 3H).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US07553854B2 |
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| Source dataset | uspto-grants-2009_06 |
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| ORD ID | ord-b8e61372ddba4ebe8cacd34b1d40c29d |
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| Source note | uspto-grants-2009_06 |
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