HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1889884Generated: October 26, 2026
4-(1-Methylpiperidin-4-yl)aniline → N(8)-(2-Methanesulfonyl-benzyl)-N(2)-[4-(1-methyl-piperidin-4-yl)-phenyl]-[1,2,4]triazolo[1,5-a]pyridine-2,8-diamine
https://huagongshe.com/reaction/1889884
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | 4-(1-Methylpiperidin-4-yl)aniline | HCID 21959529 | — |
| Reactant | 2,2'-Bis(dicyclohexylphosphino)-1,1'-biphenyl | HCID 24946987 | — |
| Reactant | (2-Chloro-[1,2,4]triazolo[1,5-a]pyridin-8-yl)-(2-methanesulfonyl-benzyl)-amine | HCID 67479011 | — |
| Product | N(8)-(2-Methanesulfonyl-benzyl)-N(2)-[4-(1-methyl-piperidin-4-yl)-phenyl]-[1,2,4]triazolo[1,5-a]pyridine-2,8-diamine | HCID 49839375 | — |
Reaction Steps
N(8)-(2-Methanesulfonyl-benzyl)-N(2)-[4-(1-methyl-piperidin-4-yl)-phenyl]-[1,2,4]triazolo[1,5-a]pyridine-2,8-diamine was prepared from (2-chloro-[1,2,4]triazolo[1,5-a]pyridin-8-yl)-(2-methanesulfonyl-benzyl)-amine (75.0 mg, 0.223 mmol) and 4-(1-methyl-piperidin-4-yl)-phenylamine (47.0 mg, 0.247 mmol) with 2,2′-bis-dicyclohexylphosphanyl-biphenyl (25.0 mg, 0.0457 mmol) as the ligand in a manner analogous to Example 2d. Product isolated as a tan foam (0.042 g, 38%). 1H NMR (400 MHz, CDCl3, δ, ppm): 8.11 (d, J=8.2 Hz. 1H), 7.85 (d, J=6.7 Hz, 1H), 7.67-7.59 (m, 2H), 7.55-7.46 (m, 3H), 7.20 (d, J=8.5 Hz, 2H), 6.69 (t, J=7.4 Hz, 1H), 6.37 (s, 1H), 6.42 (d, J=7.6 Hz, 1H), 5.29 (t, J=6.1 Hz, 1H), 4.96 (d, J=6.1 Hz, 2H), 3.16 (s, 3H), 3.01-2.94 (m, 2H), 2.50-2.39 (m, 1H), 2.33 (s, 3H), 2.10-2.00 (m, 2H), 1.86-1.73 (m, 4H). MS=491 (MH)+.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US08501936B2 |
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| Source dataset | uspto-grants-2013_08 |
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| ORD ID | ord-635561b7ad9342df9f36d4bc56aa943a |
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| Source note | uspto-grants-2013_08 |
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