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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2388607Generated: October 28, 2026

Diazald → HCID 53380358, compound

https://huagongshe.com/reaction/2388607

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiazaldHCID 6628—
ReactantPotassium HydroxideHCID 14797—
ReactantHCID 21225595HCID 21225595—
ReactantHCID 67387244HCID 67387244—
SolventMethanolHCID 887—
ProductHCID 53380358HCID 53380358—

Reaction Steps

The compound was synthesized starting from KOH (15 eq in water), diazald (8 eq), ethylene glycol/Et2O (1/2.5 v/v, 28 ml), 1-(1H-Benzo[d]imidazol-6-yl)-5-(4-(4,4-difluorocyclohexyl)-phenyl)-3-hydroxy-4-methyl-1H-pyrrol-2(5H)-one (0.800 g, 1.88 mmol, 1 eq) and MeOH (10 ml); yield: 0.060 g (7.3%); MS m/z: 438.3 [M+H]+; 1H-NMR: (400 MHz, DMSO-D6) δ: 12.39 (s, 1H), 8.14 (d, 1H), 7.69 (d, 1H), 7.49 (d, 1H), 7.26-7.15 (m, 4H), 5.79 (s, 1H), 3.93 (s, 3H), 2.67-2.54 (m, 1H), 2.03-1.88 (m, 3H), 1.83-1.76 (m, 3H), 1.69 (s, 3H), 1.59-1.50 (m, 2H); HPLC (METHOD [A]): rt 14.64 min (95.14%)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08269019B2
Source datasetuspto-grants-2012_09
ORD IDord-a0c071e6d12a44e6883955d2a38560c4
Source noteuspto-grants-2012_09