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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1967607Generated: October 29, 2026

Diazald → HCID 53379981, compound

https://huagongshe.com/reaction/1967607

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiazaldHCID 6628—
ReactantPotassium HydroxideHCID 14797—
ReactantHCID 21225595HCID 21225595—
ReactantHCID 67387135HCID 67387135—
SolventMethanolHCID 887—
ProductHCID 53379981HCID 53379981—

Reaction Steps

The compound was synthesized starting from KOH (15 eq in water), diazald (8 eq), ethylene glycol/Et2O (1/2 v/v, 30 ml), 1-(1H-Benzo[d]imidazol-6-yl)-5-isopropyl-3-hydroxy-4-methyl-1H-pyrrol-2(5H)-one (0.500 g, 1.83 mmol, 1 eq) and MeOH (10 ml); yield: 0.040 g (7.6%); MS m/z: 286.1 [M+H]+; 1H-NMR: (400 MHz, DMSO-D6) δ: 0.54 (d, 3H), 0.94-0.92 (q, 3H), 1.95 (t, 3H), 3.86 (s, 1H), 4.73 (s, 1H), 7.26-7.15 (m, 1H), 7.65-7.51 (m, 2H), 8.22 (d, 1H), 12.46 (d, 1H); HPLC (METHOD [A]): rt 8.32 min (96.64%)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08420828B2
Source datasetuspto-grants-2013_04
ORD IDord-fac02b3b4b614ba3ad9e8f33f1f1c6c0
Source noteuspto-grants-2013_04