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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 588492Generated: October 30, 2026

Hydrochloric Acid → HCID 67395342, compound

https://huagongshe.com/reaction/588492

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantHCID 86657333HCID 86657333—
ProductHCID 67395342HCID 67395342—

Reaction Conditions

Temperature60 °C

Reaction Steps

To a vial containing 5-[(1R)-1-{[(S)-tert-butylsulfinyl]amino}ethyl]thiophene-2-carboxylate (0.050 g, 0.15 mmol) was added hydrochloric acid (3 mL, 12.0 mmol, 4.0 M of in 1,4-dioxane). This mixture was capped and heated at 60° C. for 2 h, after which it was evaporated to dryness to afford (R)-5-(1-aminoethyl)thiophene-2-carboxylic acid hydrochloride as a white solid. LC-MS: (FA) ES+ 172.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09227951B2
Source datasetuspto-grants-2016_01
ORD IDord-c25802e7c3ab4658961beb1a22b0bba3
Source noteuspto-grants-2016_01