HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1297311Generated: October 30, 2026
2-Bromopyridine → 5-(2-chloro-4-methoxyphenyl)-N-[(3R,4S)-4-ethoxy-1-pyridin-2-ylpyrrolidin-3-yl]-3,6-diethyl pyrazin-2-amine
https://huagongshe.com/reaction/1297311
Participants
| Role | Name | HCID | Charge |
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| Reactant | 2-Bromopyridine | HCID 7973 | — |
| Reactant | 5-(2-chloro-4-methoxyphenyl)-N-[(3R,4S)-4-ethoxypyrrolidin-3-yl]-3,6-diethylpyrazin-2-amine | HCID 10237751 | — |
| Reactant | N-[(3R,4S)-4-ethoxy-1-pyrimidin-2-ylpyrrolidin-3-yl]-3,6-diethyl-5-(6-methoxy-2-methylpyridin-3-yl)pyrazin-2-amine | HCID 11374683 | — |
| Product | 5-(2-chloro-4-methoxyphenyl)-N-[(3R,4S)-4-ethoxy-1-pyridin-2-ylpyrrolidin-3-yl]-3,6-diethyl pyrazin-2-amine | HCID 11167579 | — |
Reaction Steps
Following the procedure for the preparation of N-[(3R,4S)-4-ethoxy-1-pyrimidin-2-ylpyrrolidin-3-yl]-3,6-diethyl-5-(6-methoxy-2-methylpyridin-3-yl)pyrazin-2-amine but substituting 2-bromopyridine and 1,3-Bis(2,6-di-l-propylphenyl)-4,5-dihydro-imidzaolium tetrafluoroborate, and starting with 5-(2-chloro-4-methoxyphenyl)-N-[(3R,4S)-4-ethoxypyrrolidin-3-yl]-3,6-diethylpyrazin-2-amine provided the title compound as an amorphous solid. 1H NMR (CDCl3) δ 1.17, 1.24–1.34, 2.51, 2.76, 3.56, 3.76, 3.86, 3.99, 4.25, 4.91, 5.25, 6.61, 6.90, 7.02, 7.25, 8.41; IR (diffuse reflectance) 2352 (w), 2340 (w), 2062 (w), 1940 (w), 1906 (w), 1600 (s), 1567, 1559, 1555, 1482 (s), 1474 (s), 1441 (s), 1392, 1287, 1229 cm−1 HRMS (ESI) calcd for C26H32N5O2Cl+H1 482.2322. found 482.2332.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US07250418B2 |
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| Source dataset | uspto-grants-2007_07 |
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| ORD ID | ord-b046a613ebd44223bd1575f817c70684 |
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| Source note | uspto-grants-2007_07 |
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