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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1255974Generated: October 26, 2026

Triethylamine → methanesulfonic acid 2-(2-{2-[2-(2-{2-[4-(4,5-Dichloro-2-fluoro-phenylamino)-6-nitro-quinazolin-7-yloxy]-ethoxy}-ethoxy)-ethoxy]-ethoxy}-ethoxy-)-ethyl ester

https://huagongshe.com/reaction/1255974

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
ReactantMethanesulfonyl chlorideHCID 31297—
Reactant2-[2-(2-{2-[2-(2-[4-(4,5-Dichloro-2-fluoro-phenylamino)-6-nitro-quinazoline-7-yloxy]-ethoxy]-ethoxy)-ethoxy}-ethoxy]-ethoxy)-ethanolHCID 69261526—
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-(2-{2-[4-(4,5-Dichloro-2-fluoro-phenylamino)-6-nitro-quinazolin-7-yloxy]-ethoxy}-ethoxy)-ethoxy]-ethoxy}-ethoxy-)-ethyl esterHCID 86618843—

Reaction Steps

Compound 32c was prepared as described hereinabove for Compound 32a, using Compound 29c (0.067 gram, 0.1 mmol), methanesulfonyl chloride (0.036 gram, 0.32 mmol) and triethylamine (0.053 gram, 0.53 mmol) in dichloromethane (6.7 ml), yielding 0.02 gram of the product (26% yield).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08461166B2
Source datasetuspto-grants-2013_06
ORD IDord-06e4645fffd8406390317165e7936824
Source noteuspto-grants-2013_06