HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1798397Generated: October 30, 2026
4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole → 4-{-4-[4-(1H-Pyrazol-4-yl)-phenyl]-piperidin-4-yl}-benzonitrile
https://huagongshe.com/reaction/1798397
Participants
| Role | Name | HCID | Charge |
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| Reactant | 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole | HCID 2774010 | — |
| Reactant | 4-[4-(4-Chlorophenyl)piperidin-4-yl]benzonitrile | HCID 67235769 | — |
| Catalyst | Tetrakis(triphenylphosphine)palladium | HCID 11979704 | — |
| Product | 4-{-4-[4-(1H-Pyrazol-4-yl)-phenyl]-piperidin-4-yl}-benzonitrile | HCID 11163265 | — |
Reaction Steps
4-[4-(4-chloro-phenyl)-piperidin-4-yl]-benzonitrile was reacted with 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole following the procedure set out in Example 1, but using tetrakis(triphenylphosphine) palladium (0) as the catalyst and heating at 100° C. for 15 minutes, to obtain the title compound. LCMS (PS-A3) Rt 6.68 min [M+H]+329. 1H NMR (Me-d3-OD) δ 2.65-2.73 (4H, m), 2.77-2.85 (4H, m), 3.75 (3H, s), 7.46 (2H, d), 7.59 (2H, d), 7.68 (2H, d), 7.71 (2H, d), 8.42 (2H, br.s).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US08343953B2 |
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| Source dataset | uspto-grants-2013_01 |
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| ORD ID | ord-ce7faae4105442abbabc7b760e6470b4 |
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| Source note | uspto-grants-2013_01 |
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