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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 892346Generated: October 30, 2026

Diisobutylaluminum hydride → 1,3-Dihydro-5-(hydroxymethyl)-2H-benzimidazol-2-one

https://huagongshe.com/reaction/892346

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiisobutylaluminum hydrideHCID 14487—
Reactantmethyl 2-oxo-2,3-dihydro-1H-1,3-benzodiazole-5-carboxylateHCID 10352553—
SolventTetrahydrofuranHCID 8028—
Product1,3-Dihydro-5-(hydroxymethyl)-2H-benzimidazol-2-oneHCID 14518358—

Reaction Steps

24.6 g (0.128 mol) of 20a are suspended in THF and stirred with 624.8 ml (0.768 mol) of DIBAL (20% strength solution in toluene) at -70° C. overnight in analogy to Example 1a.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUSRE033948
Source datasetuspto-grants-1992_06
ORD IDord-4fd945ec6cfa414a82b6540699ada811
Source noteuspto-grants-1992_06