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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1255973Generated: October 31, 2026

Triethylamine → Methanesulfonic Acid 2-[2-(2-{2-[4-(4,5-Dichloro-2-fluoro-phenylamino)-6-nitro-quinazoline-7-yloxy]-ethoxy}-ethoxy)-ethoxy]-ethyl ester

https://huagongshe.com/reaction/1255973

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
ReactantMethanesulfonyl chlorideHCID 31297—
Reactant2-{2-[2-(2-[4-(4,5-Dichloro-2-fluoro-phenylamino)-6-nitro-quinazoline-7-yloxy]-ethoxy]-ethoxy}-ethoxy)-ethanolHCID 69319925—
Reactantmethanesulfonic acid 2-{2-[4-(4,5-Dichloro-2-fluoro-phenylamino)-6-nitro-quinazolin-7-yloxy]-ethoxy}-ethyl esterHCID 86618842—
SolventDichloromethaneHCID 6344—
ProductMethanesulfonic Acid 2-[2-(2-{2-[4-(4,5-Dichloro-2-fluoro-phenylamino)-6-nitro-quinazoline-7-yloxy]-ethoxy}-ethoxy)-ethoxy]-ethyl esterHCID 87781253—

Reaction Steps

Compound 32b was prepared as described hereinabove for Compound 32a, using Compound 29b (0.023 gram, 0.043 mmol), methanesulfonyl chloride (0.014 gram, 0.12 mmol) and triethylamine (0.021 gram, 0.021 mmol) in dichloromethane (2.3 ml), yielding 0.015 gram of the product (55% yield).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08461166B2
Source datasetuspto-grants-2013_06
ORD IDord-46eabc0e22114d77819030fb4a0561dc
Source noteuspto-grants-2013_06