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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1734538Generated: October 31, 2026

Phosphorus oxychloride → HCID 19437744, compound

https://huagongshe.com/reaction/1734538

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhosphorus oxychlorideHCID 24813—
ReactantHCID 19437758HCID 19437758—
ProductHCID 19437744HCID 1943774476%

Reaction Steps

17.8 g (66 mmol) of 1-(4-methoxybenzyl)-2-methyl-6,7-dihydropyrrolo[2,3-d]pyridazine-7-one are reacted at 100° C. for 2 h in 130 ml of phosphorus oxychloride. Purification: chromatography on silica gel (eluent: ethyl acetate). Yield: 76%. M.p.: 126°-128° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05534515
Source datasetuspto-grants-1996_07
ORD IDord-dde5dd5296624b569fa4056d00424cc5
Source noteuspto-grants-1996_07