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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 463560Generated: October 23, 2026

4-Chloro-1,2-dinitrobenzene → ethyl P-methyl-2-nitro-5-chlorophenylphosphinate

https://huagongshe.com/en/reaction/463560

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Chloro-1,2-dinitrobenzeneHCID 33097—
ReactantDiethyl methylphosphoniteHCID 85063—
SolventAcetonitrileHCID 6342—
Productethyl P-methyl-2-nitro-5-chlorophenylphosphinateHCID 53860251—

Reaction Steps

To 4-chloro-1,2-dinitrobenzene (13.2 g, 65.0 mmol) dissolved in acetonitrile (150 ml) is added, dropwise, diethyl methylphosphonite (16.0 g, 117.6 mmol). The mixture is stirred at RT for 20 hours, after which it is concentrated. The crude product is purified by column chromatography (developing with 50% ethyl acetate/hexane) to yield ethyl P-methyl-2-nitro-5-chlorophenylphosphinate.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04520197
Source datasetuspto-grants-1985_05
ORD IDord-cd5e6dca7b5048fab9a1583e2647bcfa
Source noteuspto-grants-1985_05