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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 47368Generated: October 25, 2026

Trifluoroacetic acid → 1,3-Dichloro-5,6,6a,7,8,12b-hexahydrobenzo[k]phenanthridine-6-carboxylic acid ethyl ester

https://huagongshe.com/reaction/47368

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant1,2-DihydronaphthaleneHCID 9938—
Reactant3,5-DichloroanilineHCID 12281—
Reactant2-KetobutyrateHCID 3593277—
SolventAcetonitrileHCID 6342—
Product1,3-Dichloro-5,6,6a,7,8,12b-hexahydrobenzo[k]phenanthridine-6-carboxylic acid ethyl esterHCID 1019951685%

Reaction Steps

Compound 12 was prepared in a yield of 85% by the basic process from 5.0 mmol 3,5-dichloroaniline, 5.5 mmol ethylglyoxalate solution (50% toluene), 15.0 mmol 1,2-Dihydronaphthalene and 5.0 mmol trifluoroacetic acid in 30.0 ml acetonitrile.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06699877B2
Source datasetuspto-grants-2004_03
ORD IDord-3d54656f7e5948219183190a4e02e3bf
Source noteuspto-grants-2004_03