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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1039031Generated: November 2, 2026

Hydrochloric Acid → HCID 67235730, compound

https://huagongshe.com/reaction/1039031

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantDichloromethaneHCID 6344—
ReactantHCID 67236014HCID 67236014—
SolventDiethyl EtherHCID 3283—
ProductHCID 67235730HCID 67235730—

Reaction Steps

A 50 mL round bottom flask was charged with 4-[5-(3,4-dimethoxy-phenyl)-1H-indol-2-yl]-piperidine-1-carboxylic acid tert-butyl ester (500 mg, 1.15 mmol), dichloromethane (5.8 mL), and 1M hydrochloric acid in diethyl ether (5.8 mL) and the resulting mixture stirred for 2 h. The resulting mixture was then concentrated in vacuo, the residue triturated with diethyl ether, and then placed under high vacuum to yield 5-(3,4-dimethoxyphenyl)-2-(piperidin-4-yl)-1H-indole. 1H NMR (300 MHz, DMSO-d6) δ 7.69 (s, 1H), 7.29-7.37 (m, 2H), 7.09-7.22 (m, 2H), 6.99 (d, J=8.2 Hz, 1H), 6.22 (s, 1H), 3.84 (s, 3H), 3.78 (s, 3H), 3.67-3.74 (m, 1H), 3.02-3.15 (m, 4H), 2.50-2.61 (m, 2H), and 1.81-2.01 (m, 2H); MS (ES+) 337 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08552032B2
Source datasetuspto-grants-2013_10
ORD IDord-72b300c86d964f95a2aebd359b2a8724
Source noteuspto-grants-2013_10