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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1878336Generated: November 2, 2026

Triethylamine → HCID 57917695, compound

https://huagongshe.com/reaction/1878336

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
ReactantPropylphosphonic anhydrideHCID 111923—
Reactant4-Amino-3,5-difluorobenzoic acidHCID 282133—
ReactantN-tert-butyl-3-(piperazin-1-ylmethyl)benzamideHCID 66877987—
SolventDichloromethaneHCID 6344—
SolventEthyl AcetateHCID 8857—
ProductHCID 57917695HCID 5791769590%

Reaction Steps

To a stirred solution of 4-ammo-3,5-difluorobenzoic acid (1 g, 5.78 mmoles), N-tert-butyl-3-(piperazin-1-ylmethyl)benzamide (1.59 g, 5.78 mmoles) and triethylamine (4 mL) in dichloromethane (30 mL) was added 1-propanephosphonic acid cyclic anhydride (8 mL, 50% solution in ethyl acetate). After 2 hours stirring, the reaction mixture was diluted with ethyl acetate and washed with sodium carbonate (aqueous) (3×), dried (magnesium sulfate) and concentrated under reduced pressure to give the title compound (2.24 g) as an off-white foam.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08314091B2
Source datasetuspto-grants-2012_11
ORD IDord-5bbc9fc86f4c4c3ea7d4d0b906b2f5a2
Source noteuspto-grants-2012_11