HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 859621Generated: October 29, 2026
Sodium Hydroxide → HCID 58764222, compound
https://huagongshe.com/reaction/859621
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Sodium Hydroxide | HCID 14798 | — |
| Reactant | Phosphorus tribromide | HCID 24614 | — |
| Reactant | HCID 67084376 | HCID 67084376 | — |
| Solvent | Dichloromethane | HCID 6344 | — |
| Product | HCID 58764222 | HCID 58764222 | — |
Reaction Steps
Phosphorous tribromide (5.5 mL) was added to a solution of 4-bromo-2-ethyl-5-methoxy-pyridine 1-oxide (1.25 g, 5.4 mmol) dissolved in CH2Cl2 (40 mL). The reaction mixture was heated to 50° C. for 1 hour. After cooling to room temperature the mixture was poured into ice and made basic with 15% NaOH and extracted with CH2Cl2. The organic extracts were dried over Na2SO4 and concentrated to a clear oil (1.13 g, 97%). 1H NMR (400 MHz, CDCl3): δ 1.28 (t, J=7.6 Hz, 3 H), 2.75 (q, J=7.6 Hz, 2 H), 3.97 (s, 3 H), 7.37 (s, 1 H), 8.13 (s, 1 H)
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US07151105B2 |
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| Source dataset | uspto-grants-2006_12 |
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| ORD ID | ord-c8703d9c2d994d0a8736e733cb38448b |
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| Source note | uspto-grants-2006_12 |
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