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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2388598Generated: November 2, 2026

Diazald → HCID 53380165, compound

https://huagongshe.com/reaction/2388598

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiazaldHCID 6628—
ReactantPotassium HydroxideHCID 14797—
ReactantHCID 21225595HCID 21225595—
ReactantHCID 67387268HCID 67387268—
SolventMethanolHCID 887—
ProductHCID 53380165HCID 53380165—

Reaction Steps

The compound was synthesized starting from KOH (15 eq in water), diazald (9 eq), ethylene glycol/Et2O (1/2.8 v/v, 34 ml), 1-(1H-Benzo[d]imidazol-6-yl)-5-(2,3-difluorophenyl)-3-hydroxy-4-phenyl-1H-pyrrol-2(5H)-one (1 g, 2.48 mmol, 1 eq) and MeOH (10 ml); yield: 0.160 g (60%); MS m/z: 418.1 [M+H]+; 1H-NMR: (400 MHz, CDCl3) δ: 7.87 (s, 1H), 7.74 (s, 1H), 7.58-7.50 (m, 3H), 7.36-7.2 (m, 5H), 4.18 (s, 3H); HPLC (METHOD [A]): rt 14.70 min (99.68%)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08269019B2
Source datasetuspto-grants-2012_09
ORD IDord-2c9ab57689e1423582e0eaae88b6c012
Source noteuspto-grants-2012_09