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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1903119Generated: November 2, 2026

Water → HCID 13136251, compound

https://huagongshe.com/reaction/1903119

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantPiperidineHCID 8082—
Reactant1,5-Diazabicyclo(5,4,0)undec-5-eneHCID 314112—
ReactantHCID 13136250HCID 13136250—
SolventEthanolHCID 702—
ProductHCID 13136251HCID 1313625128.3%

Reaction Steps

156 mg of 6-(3-chloro-1-propinyl)-beta-carboline-3-carboxylic-acid-ethylester is stirred together with 85 mg of piperidine and 76 mg of 1.5-diazabicyclo-[5.4.0]undec-5-ene in 10 ml of absolute ethanol under nitrogen and exclusion of water for 11/2 h at 60° C. After evaporation, the residue is chromatographed on 25 g of silica gel with methylene-chloride/methanol (10/2) as the eluant. 51 mg of 6-[3-(1-piperidinyl)-1-propinyl]-beta-carboline-3-carboxylic-acid-ethylester is obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04435403
Source datasetuspto-grants-1984_03
ORD IDord-e81c5445080e43c69ee592818c3377b3
Source noteuspto-grants-1984_03