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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 525669Generated: October 26, 2026

5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrazole → 6-(Ethyl(2-hydroxyethyl)amino)-5-(1H-pyrazol-5-yl)-N-(4-(trifluoromethoxy)phenyl)nicotinamide

https://huagongshe.com/reaction/525669

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrazoleHCID 44755201—
ReactantHCID 89906577HCID 89906577—
Product6-(Ethyl(2-hydroxyethyl)amino)-5-(1H-pyrazol-5-yl)-N-(4-(trifluoromethoxy)phenyl)nicotinamideHCID 89908352—

Reaction Steps

The title compound was prepared in an analogous fashion to that described in Example 19 using 5-bromo-6-(ethyl(2-hydroxyethyl)amino)-N-(4-(trifluoromethoxy)phenyl)nicotinamide (Stage 21.1) and 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrazole to afford a yellow wax UPLC-MS (Condition 3) tR=0.97 min, m/z=436.2 [M+H]+, m/z=434.3 [M−H]−; 1H-NMR (400 MHz, DMSO-d6) δ ppm 0.93 (t, J=6.97 Hz, 3H) 3.26 (br. s, 2H) 3.36-3.44 (m, 2H) 3.44-3.52 (m, 2H) 4.59 (br. s, 1H) 6.53 (d, J=1.96 Hz, 1H) 7.34 (d, J=8.31 Hz, 2H) 7.80 (br. s, 1H) 7.84-7.90 (m, 2H) 8.13 (s, 1H) 8.71 (d, J=1.96 Hz, 1H) 10.28 (s, 1H) 12.94 (br. s, 1H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09340537B2
Source datasetuspto-grants-2016_05
ORD IDord-4b787b3aad974797b0e965d23360c282
Source noteuspto-grants-2016_05