Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 455875Generated: October 30, 2026

Diisopropylethylamine → N-(4-fluorophenyl)-N'-(4-{[2-methyl-6,7-bis(methyloxy)quinazolin-4-yl]oxy}phenyl)cyclopropane-1,1-dicarboxamide

https://huagongshe.com/reaction/455875

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiisopropylethylamineHCID 81531—
ReactantMethanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 9886157—
Reactant1-[(4-Fluorophenyl)carbamoyl]cyclopropanecarboxylic AcidHCID 21081530—
Reactant4-(6,7-Dimethoxy-2-methyl-quinazolin-4-yloxy)-phenylamineHCID 57810251—
SolventDimethylformamideHCID 6228—
SolventEthyl AcetateHCID 8857—
ProductN-(4-fluorophenyl)-N'-(4-{[2-methyl-6,7-bis(methyloxy)quinazolin-4-yl]oxy}phenyl)cyclopropane-1,1-dicarboxamideHCID 578104141.9%

Reaction Steps

To a mixture of 4-(6,7-dimethoxy-2-methyl-quinazolin-4-yloxy)-phenylamine (0.100 g, 0.321 mmol) and 1-(4-fluoro-phenylcarbamoyl)-cyclopropanecarboxylic acid (0.056 g, 0.386 mmol) in DMF was added DIEA (0.168 mL, 0.963 mmol), followed by HATU (0.183 g, 0.482 mmol). The reaction mixture was stirred at RT for 15 hours. The mixture was diluted with EtOAc, washed with 5% LiCl aq solution three times, dried over Na2SO4, and concentrated in vacuo. The crude product was purified on preparative HPLC to give ′N-(4-fluorophenyl)-N′-(4-{[2-methyl-6,7-bis(methyloxy)quinazolin-4-yl]oxy}phenyl)cyclopropane-1,1-dicarboxamide (3.2 mg) as a white solid. 1H NMR (DMSO-d6) 10.15 (bs, 1H), 10.01 (bs, 1H), 7.69-7.75 (m, 2H), 7.61-7.68 (m, 2H), 7.52 (s, 1H), 7.32 (s, 1H), 7.23-7.29 (m, 2H), 7.12-7.19 (m, 2H), 3.93 (d, 6H), 2.43 (s, 3H), 1.53 (s, 4H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08497284B2
Source datasetuspto-grants-2013_07
ORD IDord-b6117cb1d0bc48d5979fa09c0852be04
Source noteuspto-grants-2013_07