Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 574531Generated: October 30, 2026

1,2,3,4-Tetrahydroisoquinoline → 2-(1,2,3,4-tetrahydro-2,8-dimethylpyrido[4,3-b]indol-5-yl)-1-(3,4-dihydroisoquinolin-2(1H)-yl)ethanone

https://huagongshe.com/reaction/574531

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,2,3,4-TetrahydroisoquinolineHCID 7046—
ReactantDicyclohexylcarbodiimideHCID 10868—
Reactant2-(1,2,3,4-Tetrahydro-2,8-dimethylpyrido[4,3-b]indol-5-yl)acetic acidHCID 59161628—
Catalyst4-(Dimethylamino)pyridineHCID 14284—
SolventDichloromethaneHCID 6344—
Product2-(1,2,3,4-tetrahydro-2,8-dimethylpyrido[4,3-b]indol-5-yl)-1-(3,4-dihydroisoquinolin-2(1H)-yl)ethanoneHCID 5787640210.3%

Reaction Steps

A mixture of 2-(1,2,3,4-tetrahydro-2,8-dimethylpyrido[4,3-b]indol-5-yl) acetic acid (50 mg, 0.205 mmol), 1,2,3,4 Tetrahydroisoquinoline (25 mg, 0.205 mmol), DCC (46 mg, 0.22 mmol), and DMAP (27 mg, 0.22 mmol) in dry DCM (2.0 mL) was stirred at room temperature for 3 h. The reaction mixture was filtered through Celite and concentrated using rotary evaporator afforded 7.9 mg of 2-(1,2,3,4-tetrahydro-2,8-dimethylpyrido[4,3-b]indol-5-yl)-1-(3,4-dihydroisoquinolin-2(1H)-yl)ethanone as TFA Salt after purification by reverse-phase chromatography (C-18, 500 mm×50 mm, Mobile Phase A=0.05% TFA in water, B=0.05% TFA in acetonitrile, Gradient: 10% B to 80% B in 30 min, injection vol. 5 mL).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09034880B2
Source datasetuspto-grants-2015_05
ORD IDord-1af1d597ac24487d999eb506f41ff6ad
Source noteuspto-grants-2015_05