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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2052128Generated: November 2, 2026

Formic Acid → N-(4-Methylbenzoyl)phosphoramidic dichloride

https://huagongshe.com/reaction/2052128

Reaction equation

Participants

RoleNameHCIDCharge
ReactantFormic AcidHCID 284—
ReactantHydrochloric AcidHCID 313—
ReactantPhosphorus pentachlorideHCID 24819—
Reactant4-MethylbenzamideHCID 69274—
SolventCarbon TetrachlorideHCID 5943—
ProductN-(4-Methylbenzoyl)phosphoramidic dichlorideHCID 14115791—

Reaction Steps

A mixture of 53 g (0.39 mole) of 4-methylbenzamide, 81.7 g (0.39 mole) of phosphorus pentachloride and 500 ml of AR carbon tetrachloride was heated at 60°-70° until the HCl gas evolution had ceased. Solution was cooled to 30° where 18.6 g (0.39 mole) of 97% formic acid was added. Continued to stir for 30 min. following the addition, then filtered, washed with AR carbon tetrachloride and air-dried to give 74.5 g, m.p. 96.5°-98°.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04182881
Source datasetuspto-grants-1980_01
ORD IDord-5e357bac1a8a4e8bb0dce389bd4731f2
Source noteuspto-grants-1980_01