HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2406455Generated: November 1, 2026
2,5-Dibromopyridine → 5-Bromo-2-methoxypyridine
https://huagongshe.com/reaction/2406455
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | 2,5-Dibromopyridine | HCID 69353 | — |
| Reactant | Sodium Methoxide | HCID 10942334 | — |
| Solvent | Methanol | HCID 887 | — |
| Solvent | Water | HCID 962 | — |
| Product | 5-Bromo-2-methoxypyridine | HCID 2734895 | 58% |
Reaction Steps
A mixture of 2,5-dibromopyridine (5.5 g, 23.2 mmol) and NaOMe (3.76 g, 69.6 mmol) in MeOH (60 mL) was heated at 70° C. for 1 hour and then allowed to cool to room temperature. The reaction mixture was diluted with water (50 mL) and extracted with EtOAc (2×100 mL). The combined organic layers were dried over Na2SO4 and concentrated under reduced pressure to give a pale yellow volatile oil (2.5 g, 58% yield). 1H NMR (400 MHz, DMSO-d6): δ 8.26 (s, 1H), 7.87 (dd, 1H), 6.81 (d, 1H), 3.82 (s, 3H).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US08809372B2 |
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| Source dataset | uspto-grants-2014_08 |
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| ORD ID | ord-7914594bfc0b4005bcd00d41611bc29f |
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| Source note | uspto-grants-2014_08 |
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