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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1071061Generated: October 25, 2026

tert-butyl 6-(2-hydroxyethyl)-1,4,5,6-tetrahydroazepino[4,5-b]indole-3(2H)-carboxylate → 2-(2,3,4,5-Tetrahydroazepino[4,5-b]indol-6(1H)-yl)ethanol hydrochloride

https://huagongshe.com/reaction/1071061

Reaction equation

Participants

RoleNameHCIDCharge
Reactanttert-butyl 6-(2-hydroxyethyl)-1,4,5,6-tetrahydroazepino[4,5-b]indole-3(2H)-carboxylateHCID 22396751—
Reactant2,3,4,5-tetrahydroazepino[4,5-b]indol-6(1H)-ylacetic acid hydrochlorideHCID 69796466—
Product2-(2,3,4,5-Tetrahydroazepino[4,5-b]indol-6(1H)-yl)ethanol hydrochlorideHCID 2239683148%

Reaction Steps

2-(2,3,4,5-Tetrahydroazepino[4,5-b]indol-6(1H)-yl)ethanol hydrochloride was prepared from tert-butyl 6-(2-hydroxyethyl)-1,4,5,6-tetrahydroazepino[4,5-b]indole-3(2H)-carboxylate by the procedure used to prepare 2,3,4,5-tetrahydroazepino[4,5-b]indol-6(1H)-ylacetic acid hydrochloride in 48% yield. 1H NMR (300 MHz, CDCl3) δ 3.22, 3.37, 3.44-3.52, 3.80, 4.30, 7.07, 7.15, 7.37, 7.48; MS (ESI+) for C14H18N2O m/z 231.3 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06903090B2
Source datasetuspto-grants-2005_06
ORD IDord-794cbcdfb8d84d0b8bade2b39f18e520
Source noteuspto-grants-2005_06