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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2361822Generated: October 31, 2026

4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole → 2-(4-Chloro-phenyl)-2-[4-(1H-pyrazol-4-yl)-phenyl]-morpholine

https://huagongshe.com/reaction/2361822

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazoleHCID 2774010—
Reactant2-(4-Chlorophenyl)-2-(4-iodophenyl)morpholineHCID 59331935—
CatalystTetrakis(triphenylphosphine)palladiumHCID 11979704—
Product2-(4-Chloro-phenyl)-2-[4-(1H-pyrazol-4-yl)-phenyl]-morpholineHCID 11461921—

Reaction Steps

2-(4-chloro-phenyl)-2-(4-iodo-phenyl)-morpholine 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 to give the title compound. LCMS (PS-A3) Rt 6.88 min [M+H]+ 340. 1H NMR (Me-d3-OD) δ 2.84-2.88 (2H, m), 3.32-3.36 (1H, m), 3.45-3.49 (1H, m), 3.69-3.72 (2H, m), 7.31 (2H, d), 7.40 (4H, apparent d), 7.56 (2H, d), 7.92 (2H, br.s).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08691806B2
Source datasetuspto-grants-2014_04
ORD IDord-afa73185518a412e9086f3753b6080b4
Source noteuspto-grants-2014_04