HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 513186Generated: October 30, 2026
Potassium Carbonate → HCID 71212573, compound
https://huagongshe.com/reaction/513186
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Potassium Carbonate | HCID 11430 | — |
| Reactant | 2,5-Dibromothiazole | HCID 312394 | — |
| Reactant | 3-Methylpyrrolidine--hydrogen chloride (1/1) | HCID 12464314 | — |
| Solvent | Water | HCID 962 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | HCID 71212573 | HCID 71212573 | 92% |
Reaction Steps
2,5-Dibromothiazole (250 mg, 1.029 mmole), 3-methyl-pyrrolidine hydrochloride (188 mg, 1.544 mmole), and K2CO3 (569 mg, 4.12 mmole) were combined in DMF (5 mL) then heated to 100° C. After stirring overnight the mixture was cooled to RT, diluted with H2O and extracted with EtOAc (3×). The combined organic layers were washed with H2O and brine, dried (MgSO4), filtered, and concentrated. Flash column chromatography (Biotage-SNAP-10 g SiO2, 0-50% EtOAc/hexanes) gave the title compound (234 mg, 92%) as a pale yellow oil. 1H NMR (399 MHz, CDCl3): δ 7.06 (s, 1 H); 3.58-3.45 (m, 2 H); 3.45-3.35 (m, 1 II); 2.97 (dd, J=9.7, 7.7 Hz, 1 H); 2.47-2.36 (m, 1 H); 2.20-2.10 (m, 1 H); 1.73-1.63 (m, 1 H); 1.12 (d, J=6.7 Hz, 3H).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US09102673B2 |
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| Source dataset | uspto-grants-2015_08 |
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| ORD ID | ord-61ea1cea5c5240718fac87406668c620 |
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| Source note | uspto-grants-2015_08 |
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