Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1349104Generated: October 26, 2026

O-Phenylenediamine → (2EZ)-[5-(1H-benzimidazol-2-yl)-1-([1,1'-biphenyl]-4-ylcarbonyl)-3-pyrrolidinylidene]ethanenitrile

https://huagongshe.com/reaction/1349104

Reaction equation

Participants

RoleNameHCIDCharge
ReactantO-PhenylenediamineHCID 7243—
Reactant4-Phenylbenzoyl chlorideHCID 84151—
Reactant(2S,4EZ)-1-(tertbutoxycarbonyl)-4-(cyanomethylene)-2-pyrrolidinecarboxylic acidHCID 69250314—
Product(2EZ)-[5-(1H-benzimidazol-2-yl)-1-([1,1'-biphenyl]-4-ylcarbonyl)-3-pyrrolidinylidene]ethanenitrileHCID 69250189—

Reaction Steps

Following the general method as outlined in Example 22, starting from (2S,4EZ)-1-(tert-butoxycarbonyl)-4-(cyanomethylene)-2-pyrrolidinecarboxylic acid, [1,1′-biphenyl]-4-carbonyl chloride, and 1,2-benzenediamine the title compound was obtained in 70% purity by LC/MS. MS(ESI+): m/z=405.2.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07211601B2
Source datasetuspto-grants-2007_05
ORD IDord-9e29f46cb3d24781b97e3e8c87a9199d
Source noteuspto-grants-2007_05