HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 45771Generated: October 29, 2026
Sodium Carbonate → HCID 67997101, compound
https://huagongshe.com/reaction/45771
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Sodium Carbonate | HCID 10340 | — |
| Reactant | Propanoic acid, 2-bromo-2-methyl-, ethyl ester | HCID 11745 | — |
| Reactant | HCID 178527728 | HCID 178527728 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | HCID 67997101 | HCID 67997101 | 88% |
Reaction Steps
A mixture of 3-bromopyridine-4-thiol (step A, 4.75 g, 25 mmol), ethyl 2-bromoisobutyrate (9.75 g, 50 mmol), and sodium carbonate (7.95 g, 75 mmol) in DMF (50 mL) was stirred at 60° C. for 1 hour. The reaction mixture was partitioned between water (100 mL) and ethyl acetate (100 mL). The organic layer was washed with water (2×100 mL) and saturated sodium chloride (100 mL). The aqueous washes were back extracted with ethyl acetate (2×100 mL). The combined organic layers were dried over sodium sulfate, concentrated, and purified by normal phase chromatography (a gradient of 0-25% ethyl acetate in hexane) to yield ethyl 2-(3-bromopyridin-4-ylthio)-2-methylpropanoate as a pale yellow oil (6.6 g, 88%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US08541589B2 |
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| Source dataset | uspto-grants-2013_09 |
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| ORD ID | ord-3c7ac6e252394783b61fd703cdb00c62 |
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| Source note | uspto-grants-2013_09 |
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