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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1469745Generated: October 29, 2026

Oxalyl chloride → tert-Butyl 4-chloro-2-fluoro-3-((4-((3-(trifluoromethyl)phenyl)amino)quinazolin-8-yl)carbamoyl)benzylcarbamate

https://huagongshe.com/reaction/1469745

Reaction equation

Participants

RoleNameHCIDCharge
ReactantOxalyl chlorideHCID 65578—
ReactantDiisopropylethylamineHCID 81531—
ReactantN4-(3-(trifluoromethyl)phenyl)quinazoline-4,8-diamineHCID 71680392—
Reactant3-(((Tert-butoxycarbonyl)amino)methyl)-6-chloro-2-fluorobenzoic acidHCID 86692239—
CatalystDimethylformamideHCID 6228—
SolventDichloromethaneHCID 6344—
Producttert-Butyl 4-chloro-2-fluoro-3-((4-((3-(trifluoromethyl)phenyl)amino)quinazolin-8-yl)carbamoyl)benzylcarbamateHCID 7167788647.6%

Reaction Steps

The title compound was prepared following the procedure described in Example-1 using N4-(3-(trifluoromethyl)phenyl)quinazoline-4,8-diamine (Intermediate-7, 87 mg, 0.285 mmol), 3-(((tert-butoxycarbonyl)amino)methyl)-6-chloro-2-fluorobenzoic acid (130 mg, 0.428 mmol), oxalyl chloride (81 mg, 0.64 mmol), DMF (1 drop) and DIPEA (111 mg, 0.86 mmol) in CH2Cl2 (4 mL) to afford 80 mg of the title product. 1H NMR (300 MHz, DMSO-d6): δ 10.66 (s, 1H), 10.14 (s, 1H), 8.82 (d, 1H), 8.71 (s, 1H), 8.36 (m, 2H), 8.23 (d, 1H), 7.73 (t, 1H), 7.66 (t, 1H), 7.51 (m, 2H), 7.42 (m, 2H), 4.18 (d, 2H), 1.40 (s, 9H); MS [M+H]+: 590.08.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09006257B2
Source datasetuspto-grants-2015_04
ORD IDord-895f886fb2624cb99a54855898c75baa
Source noteuspto-grants-2015_04