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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 574491Generated: October 30, 2026

Potassium Hydroxide → 8-chloro-5-(2-(6-(trifluoromethyl)pyridin-3-yl)ethyl)-2,3,4,5-tetrahydro-2,3-dimethyl-1H-pyrido[4,3-b]indole

https://huagongshe.com/reaction/574491

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium HydroxideHCID 14797—
Reactant5-Ethenyl-2-(trifluoromethyl)pyridineHCID 57416848—
Reactant8-Chloro-2,3-dimethyl-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indoleHCID 67309634—
SolventN-methyl-2-pyrrolidoneHCID 13387—
Product8-chloro-5-(2-(6-(trifluoromethyl)pyridin-3-yl)ethyl)-2,3,4,5-tetrahydro-2,3-dimethyl-1H-pyrido[4,3-b]indoleHCID 57875934—

Reaction Steps

The title compound is prepared from a mixture of 8-chloro-2,3,4,5-tetrahydro-2,3-dimethyl-1H-pyrido[4,3-b]indole, 2-(trifluoromethyl)-5-vinylpyridine and KOH (5-7 equiv) in NMP at a temperature ranging between 25 deg C. to 100 deg C. The product obtained is isolated by preparative HPLC.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09034880B2
Source datasetuspto-grants-2015_05
ORD IDord-0760d3e53cef47ba9fc11dcac6d4a20d
Source noteuspto-grants-2015_05