Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 970175Generated: October 29, 2026

Oxalyl chloride → HCID 11740106, compound

https://huagongshe.com/reaction/970175

Reaction equation

Participants

RoleNameHCIDCharge
ReactantOxalyl chlorideHCID 65578—
Reactant3-(Trifluoromethyl)benzylamineHCID 75962—
ReactantN-(2,4-dichlorobenzyl)-3-oxo-6-pyridin-4-yl-2,3-dihydropyridazine-4-carboxamideHCID 10339420—
Reactant3-Oxo-6-(pyridin-4-yl)-2,3-dihydropyridazine-4-carboxylic acidHCID 12790238—
SolventDimethylformamideHCID 6228—
SolventDichloromethaneHCID 6344—
SolventTriethylamineHCID 8471—
ProductHCID 11740106HCID 11740106—

Reaction Steps

Working as in example 2 for the preparation of N-(2,4-dichlorobenzyl)-3-oxo-6-pyridin-4-yl-2,3-dihydropyridazine-4-carboxamide, but starting with 0.3 g of 3-oxo-6-pyridin-4-yl-2,3-dihydropyridazine-4-carboxylic acid, 10 cm3 of dichloromethane, 0.02 cm3 of dimethylformamide, 0.12 cm3 of oxalyl chloride, 0.21 cm3 of 3-(trifluoromethyl)benzylamine and 0.19 cm3 of triethylamine, 0.22 g of 3-oxo-6-pyridin-4-yl-N-[3-(trifluoromethyl)benzyl]-2,3-dihydropyridazine-4-carboxamide was obtained in the form of a cream-colored solid melting at 224° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07309701B2
Source datasetuspto-grants-2007_12
ORD IDord-99f16a794b3b40f290d63edc2da86251
Source noteuspto-grants-2007_12