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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2388611Generated: November 3, 2026

Diazald → HCID 53380454, compound

https://huagongshe.com/reaction/2388611

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiazaldHCID 6628—
ReactantPotassium HydroxideHCID 14797—
ReactantHCID 21225595HCID 21225595—
ReactantHCID 67387509HCID 67387509—
SolventMethanolHCID 887—
ProductHCID 53380454HCID 53380454—

Reaction Steps

The compound was synthesized starting from KOH (15 eq in water), diazald (9 eq), ethylene glycol/Et2O (1/2 v/v, 60 ml), 1-(1H-Benzo[d]imidazol-6-yl)-3-hydroxy-4-methyl-5-(4-phenylcyclohexyl)-1H-pyrrol-2(5H)-one (1.0 g, 2.58 mmol, 1 eq) and MeOH (20 ml); yield: 0.100 g (10%); MS m/z: 402.2 [M+H]+; 1H-NMR: (400 MHz, DMSO-D6) δ: 12.53 (s, 1H), 8.32 (s, 1H), 7.64 (m, 2H), 7.25-7.08 (m, 7H), 4.81 (s, 1H), 3.87 (s, 3H), 2.20-2.20 (m, 2H), 2.01 (s, 3H), 1.78-1.4 (m, 5H), 1.37-1.14 (m, 7H); HPLC (METHOD [A]): rt 14.80 min (96.02%)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08269019B2
Source datasetuspto-grants-2012_09
ORD IDord-8409c16ad1c34b8caa7b95d22ffdf0c2
Source noteuspto-grants-2012_09