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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 618638Generated: October 31, 2026

2,4-Difluoronitrobenzene → N-(2-nitro-5-fluorophenyl)aminomethanephosphonic acid diethyl ester

https://huagongshe.com/reaction/618638

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2,4-DifluoronitrobenzeneHCID 67967—
ReactantDiethyl (aminomethyl)phosphonateHCID 1596920—
ProductN-(2-nitro-5-fluorophenyl)aminomethanephosphonic acid diethyl esterHCID 1780077775.6%

Reaction Steps

1.1 g of 2,4-difluoronitrobenzene is heated with 2.8 g of aminomethanephosphonic acid diethyl ester for 2 hours to 40° C. Then, it is chromatographed on silica gel with methylene chloride:ethanol=10:1. 1.6 g of N-(2-nitro-5-fluorophenyl)aminomethanephosphonic acid diethyl ester is obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05955461
Source datasetuspto-grants-1999_09
ORD IDord-724abf23646947bb8df5a5e55e71e904
Source noteuspto-grants-1999_09