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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 420995Generated: October 31, 2026

Hydrochloric Acid → [5-(4-tert-Butylphenyl)-2-carboxy-1-(4-isopropoxyphenyl)indol-3-ylmethyl]-carboxymethylmethylammonium chloride

https://huagongshe.com/reaction/420995

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant5-(4-tert-Butylphenyl)-3-[(ethoxycarbonylmethylmethylamino)methyl]-1-(4-isopropoxyphenyl)indole-2-carboxylic acidHCID 66657582—
Solvent1,4-DioxaneHCID 31275—
Product[5-(4-tert-Butylphenyl)-2-carboxy-1-(4-isopropoxyphenyl)indol-3-ylmethyl]-carboxymethylmethylammonium chlorideHCID 86628823—

Reaction Steps

An excess of HCl (4 M in dioxane) was added to a suspension of 5-(4-tert-butylphenyl)-3-[(ethoxycarbonylmethylmethyl-amino)methyl]-1-(4-isopropoxyphenyl)indole-2-carboxylic acid ethyl ester (189 mg, 0.35 mmol; see step (e) above) in dioxane (4 mL). After 10 min the mixture was concentrated and the residue treated with Et2O and filtered to give the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08097623B2
Source datasetuspto-grants-2012_01
ORD IDord-49a4a5ba15e3490fb1da1f98aefc2d46
Source noteuspto-grants-2012_01