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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1642115Generated: November 1, 2026

Hydrochloric Acid → HCID 66755777, compound

https://huagongshe.com/reaction/1642115

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantBenzenesulfonyl chloride, 3,4-dichloro-HCID 7383—
ReactantTriethylamineHCID 8471—
ReactantMethyl (1,2,3,4-tetrahydroisoquinolin-1-yl)acetateHCID 45588337—
SolventDichloromethaneHCID 6344—
ProductHCID 66755777HCID 66755777—

Reaction Conditions

Temperature0 °C

Reaction Steps

2-(1,2,3,4-Tetrahydroisoquinolin-1-yl)acetic acid methyl ester (7.49 g, 36.5 mmol) was dissolved in DCM (200 ml), and triethylamine (11.7 ml, 83 mmol) was added thereto. The reaction solution was cooled to 0° C., and a solution of 3,4-dichlorobenzenesulfonyl chloride (8.14 g, 33.2 mmol) in DCM (100 ml) was added dropwise. After 3 h, 0.5 M HCl (100 ml) was added. After phase separation, the organic phase was washed with water, dried (sodium sulfate) and concentrated. Purification was carried out by column chromatography on silica gel (heptane/ethyl acetate 4:1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08119633B2
Source datasetuspto-grants-2012_02
ORD IDord-b8234c9624f441e8bde4a6b88b4a8108
Source noteuspto-grants-2012_02