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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1734539Generated: October 29, 2026

Phosphorus oxychloride → HCID 19437771, compound

https://huagongshe.com/reaction/1734539

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhosphorus oxychlorideHCID 24813—
ReactantHCID 19437757HCID 19437757—
ProductHCID 19437771HCID 1943777175%

Reaction Steps

3.8 g (12 mmol) of 1-isobutyl-2-methyl-6,7-dihydropyrrolo[2,3-d]pyridazine are reacted at 100° C. for 2 h in 30 ml of phosphorus oxychloride. Purification: chromatography on silica gel (eluent: toluene/dioxane=2:1). Yield: 75%. M.p.: 96°-99° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05534515
Source datasetuspto-grants-1996_07
ORD IDord-e48478e986ba425583895dff5839998e
Source noteuspto-grants-1996_07