HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 514705Generated: October 29, 2026
Potassium Carbonate → HCID 86729612, compound
https://huagongshe.com/reaction/514705
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Potassium Carbonate | HCID 11430 | — |
| Reactant | 2,4-Dichloro-5-fluoropyrimidine | HCID 250705 | — |
| Reactant | 3,4-Dihydro-2H-1-benzopyran-8-ylboronic acid | HCID 53438464 | — |
| Catalyst | Dichlorobis(triphenylphosphine)palladium | HCID 6102075 | — |
| Solvent | 1,2-Dimethoxyethane | HCID 8071 | — |
| Solvent | Ethyl Acetate | HCID 8857 | — |
| Product | HCID 86729612 | HCID 86729612 | 78.4% |
Reaction Steps
A batch with 2,4-dichloro-5-fluoropyrimidine (565 mg; 3.28 mmol; Aldrich Chemical Company Inc.), 3,4-dihydro-2H-chromen-8-ylboronic acid (643 mg; 3.61 mmol; Parkway Scientific LLC) and bis(triphenylphosphine)palladium(II)chloride (230 mg; 0.33 mmol) in 1,2-dimethoxyethane (5.4 mL) and 2 M solution of potassium carbonate (4.9 mL) was degassed using argon. The batch was stirred under argon for 16 hours at 90° C. After cooling the batch was diluted with ethyl acetate and washed with brine. The organic phase dried (sodium sulfate), filtered and concentrated. The residue was purified by chromatography (hexane/ethyl acetate 2%-20%) to give the desired product (701 mg; 2.57 mmol).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US09108926B2 |
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| Source dataset | uspto-grants-2015_08 |
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| ORD ID | ord-e63fa830c2ef4debb72bfddf796b2301 |
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| Source note | uspto-grants-2015_08 |
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