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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 392252Generated: October 26, 2026

Chloroacetyl chloride → 8-Chloro-2-chloromethyl-3-(2-chlorophenyl)-3H-quinazolin-4-one

https://huagongshe.com/reaction/392252

Reaction equation

Participants

RoleNameHCIDCharge
ReactantChloroacetyl chlorideHCID 6577—
Reactant2-amino-3-chloro-N-(2-chlorophenyl)benzamideHCID 22316585—
SolventAcetic AcidHCID 176—
Product8-Chloro-2-chloromethyl-3-(2-chlorophenyl)-3H-quinazolin-4-oneHCID 2231658474.1%

Reaction Steps

Prepared according to Procedure B with 1h (500 mg, 1.78 mmol) and chloroacetyl chloride (0.49 mL, 6.13 mmol) in acetic acid (10 mL). Purified by extraction from aqueous K2CO3, followed by recrystallization from isopropanol to afford 448 mg of a yellow solid (74%). 1H NMR (CDCl3) δ: 8.23 (dd, J=1.4, 8.0 Hz, 1H); 7.90 (dd, J=1.4, 7.8 Hz, 1H); 7.61-7.66 (m, 1H); 7.51-7.55 (m, 3H); 7.47 (t, J=8.0 Hz, 1H); 4.48 (d, J=12 Hz, 1H), 4.12 (d, J=12 Hz, 1H). MS (ES): m/z 339.0 (M+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06800620B2
Source datasetuspto-grants-2004_10
ORD IDord-30a869bffae747919eb307a54087f2b3
Source noteuspto-grants-2004_10