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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1270697Generated: October 30, 2026

Imidazole → 1-Phenylpyrazole

https://huagongshe.com/reaction/1270697

Reaction equation

Participants

RoleNameHCIDCharge
ReactantImidazoleHCID 795—
ReactantAcetonitrileHCID 6342—
ReactantBromobenzeneHCID 7961—
Product1-PhenylpyrazoleHCID 70769—

Reaction Steps

Operating protocol A (82° C., 48 hours) was followed using 117 mg of Chxn-Py-Al (0.4 mmoles), 211 μl of bromobenzene (2 mmoles), 204 mg of imidazole (3 mmoles) and 1.2 ml of acetonitrile.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07202367B2
Source datasetuspto-grants-2007_04
ORD IDord-fc48c0b25fa447c6ab1628cd8a372c6b
Source noteuspto-grants-2007_04