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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1288897Generated: November 2, 2026

Thioglycolic Acid → {2-[4-(3-Ethynyl-phenylamino)-7-(2-methoxy-ethoxy)-quinazolin-6-yloxy]-ethylsulfanyl}-acetic acid ammonium salt

https://huagongshe.com/reaction/1288897

Reaction equation

Participants

RoleNameHCIDCharge
ReactantThioglycolic AcidHCID 1133—
Reactant6-O-Desmethoxyethyl-6-O-chloroethyl Erlotinib HydrochlorideHCID 18925062—
Product{2-[4-(3-Ethynyl-phenylamino)-7-(2-methoxy-ethoxy)-quinazolin-6-yloxy]-ethylsulfanyl}-acetic acid ammonium saltHCID 131720631—

Reaction Steps

This product was prepared from the title product of Example 30 and mercaptoacetic acid at 22° C. over 10 days according to the method outlined in Example 45. (16%; M.P. 98°-113° C. (dec); LC-MS 454 (MH+); anal. RP-HPLC 3.24 min.)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05747498
Source datasetuspto-grants-1998_05
ORD IDord-87877f2dc4804aa483120ce1a3452074
Source noteuspto-grants-1998_05