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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1796639Generated: October 31, 2026

Dichloromethane → 5,6-Dimethoxy-4-(4-phenoxy-phenylamino)-pyrrolo[1,2-b]pyridazine-3-carbonitrile

https://huagongshe.com/reaction/1796639

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDichloromethaneHCID 6344—
ReactantDimethyl SulfateHCID 6497—
ReactantPotassium CarbonateHCID 11430—
Reactant6-Hydroxy-5-methoxy-4-(4-phenoxy-phenylamino)-pyrrolo[1,2-b]pyridazine-3-carbonitrileHCID 22179655—
SolventAcetoneHCID 180—
Product5,6-Dimethoxy-4-(4-phenoxy-phenylamino)-pyrrolo[1,2-b]pyridazine-3-carbonitrileHCID 2217960288.5%

Reaction Steps

A mixture of compound from Example 399 (14 mg, 0.038 mmol), dimethyl sulfate (4 μl, 0.042 mmol), K2CO3 (14 mg, 0.101 mmol) in acetone (0.5 ml) was stirred at rt overnight. After regular workup, the title compound (13 mg, 88%) was obtained after silica gel flash column chromatography (100% CH2Cl2). LCMS Found: (M+H)+=387.1

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07030112B2
Source datasetuspto-grants-2006_04
ORD IDord-6c8d19d4128445d29015e5c3110982b9
Source noteuspto-grants-2006_04