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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1258641Generated: October 30, 2026

Potassium Carbonate → 5-(5-Aza-spiro[2.4]hept-5-yl)-4-chloro-2-nitro-phenylamine

https://huagongshe.com/reaction/1258641

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
Reactant4,5-Dichloro-2-nitroanilineHCID 81149—
ReactantDichloromethane ethanolHCID 21584144—
Reactant5-Azaspiro(2.4)heptaneHCID 21923103—
SolventDimethyl SulfoxideHCID 679—
Product5-(5-Aza-spiro[2.4]hept-5-yl)-4-chloro-2-nitro-phenylamineHCID 67958543—

Reaction Steps

The sub-title compound was prepared from 4,5-dichloro-2-nitroaniline (470 mg, 2.3 mmol), 5-aza-spiro[2.4]heptane (320 mg, 3.3 mmol) and potassium carbonate (470 mg, 3.4 mmol) in DMSO (5 mL) in analogy to example 3, step (a). Yield: 550 mg (91%). Rf(TLC): 0.85 (silica gel, DCM:EtOH 99:1). HPLC-method F: Rf=1.01 min. MS m/z: 533 [2M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08466186B2
Source datasetuspto-grants-2013_06
ORD IDord-093557cfba954537963d9648d837166c
Source noteuspto-grants-2013_06