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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1626208Generated: November 2, 2026

Diisopropylethylamine → 5-chloro-thiophene-2-carboxylic acid [3-(4-chloro-2-methyl-2H-pyrazol-3-yl)-4-(2-morpholin-4-yl-ethoxy)-phenyl]-amide

https://huagongshe.com/reaction/1626208

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiisopropylethylamineHCID 81531—
Reactant5-Chloro-2-thiophenecarboxylic acidHCID 95048—
ReactantMethanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 9886157—
Reactant3-(4-chloro-2-methyl-2H-pyrazol-3-yl)-4-(2-morpholin-4-yl-ethoxy)-phenylamineHCID 58964255—
SolventDimethylformamideHCID 6228—
Product5-chloro-thiophene-2-carboxylic acid [3-(4-chloro-2-methyl-2H-pyrazol-3-yl)-4-(2-morpholin-4-yl-ethoxy)-phenyl]-amideHCID 1158385715.1%

Reaction Steps

To a mixture of 3-(4-chloro-2-methyl-2H-pyrazol-3-yl)-4-(2-morpholin-4-yl-ethoxy)-phenylamine (0.100 g, 0.3 mmol), 5-chlorothiophene-2-carboxylic acid (0.049 g, 0.3 mmol), and HATU (0.114 g, 0.3 mmol) in DMF (4 mL), DIEA (0.157 mL, 0.9 mmol) was added, then the reaction mixture stirred at room temperature overnight. The crude product was purified by prep HPLC. The corresponding fractions were collected and lyophilized to give a TFA-salt of Compound 333 as a brown solid in 15.1% yield. LCMS m/z (%)=481.2 (M+H, 100). 1H NMR (400 MHz, DMSO-d6) δ: 10.41 (s, 1H), 9.95 (bs, 1H), 7.90-7.87 (m, 2H), 7.66 (s, 1H), 7.63 (d, J=2.6 Hz, 1H), 7.31-7.23 (m, 2H), 4.48-4.27 (m, 2H), 3.66 (s, 3H), 3.81-2.87 (m, 10H and water).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08785441B2
Source datasetuspto-grants-2014_07
ORD IDord-10208bcf911c49a499e26d681d193785
Source noteuspto-grants-2014_07