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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2388601Generated: November 1, 2026

Diazald → HCID 53380261, compound

https://huagongshe.com/reaction/2388601

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiazaldHCID 6628—
ReactantPotassium HydroxideHCID 14797—
ReactantHCID 21225595HCID 21225595—
ReactantHCID 67386574HCID 67386574—
SolventMethanolHCID 887—
ProductHCID 53380261HCID 53380261—

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)-3-hydroxy-4-methyl-5-(4-morpholinophenyl)-1H-pyrrol-2(5H)-one (0.500 g, 1.28 mmol, 1 eq) and MeOH (10 ml), the product was purified by prep TLC using 4% methanol in chloroform as eluent; yield: 0.100 g (19.34%); MS m/z: 405.1 [M+H]+;1H-NMR: (400 MHz, DMSO-D6) δ: 12.37 (s, 1H), 8.13 (d, 1H), 7.68-7.64 (m, 1H), 7.50-7.48 (m, 1H), 7.38 (m, 1H), 7.25-7.22 (m, 1H), 7.08-7.06 (m, 2H), 6.82-6.80 (m, 2H), 5.68 (d, 1H), 3.93 (s, 3H), 3.66-3.63 (m, 4H), 3.17-3.01 (m, 4H), 1.66 (s, 3H); HPLC (METHOD [A]): rt 9.33 min (96.37%)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08269019B2
Source datasetuspto-grants-2012_09
ORD IDord-61bc869f3e234a48a15978f5033f5fa3
Source noteuspto-grants-2012_09