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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1349023Generated: October 26, 2026

N-Methyl-o-phenylenediamine → (3Ez,5s)-5-(1-methyl-1h-benzimidazol-2-yl)-1-[(2'-methyl[1,1'-biphenyl]-4-yl)carbonyl]-3-pyrrolidinone o-methyloxime

https://huagongshe.com/reaction/1349023

Reaction equation

Participants

RoleNameHCIDCharge
ReactantN-Methyl-o-phenylenediamineHCID 78498—
Reactant2'-Methyl-biphenyl-4-carboxylic acidHCID 2759815—
Reactant(2S,4EZ)-1(tert-butoxycarbonyl)-4-(methoxyimino)-2-pyrrolidinecarboxylic acidHCID 58714586—
Product(3Ez,5s)-5-(1-methyl-1h-benzimidazol-2-yl)-1-[(2'-methyl[1,1'-biphenyl]-4-yl)carbonyl]-3-pyrrolidinone o-methyloximeHCID 131725407—

Reaction Steps

Following the general method as outlined in Example 11, starting from (2S,4EZ)-1-(tert-butoxycarbonyl)-4-(methoxyimino)-2-pyrrolidinecarboxylic acid, 2′-methyl[1,1′-biphenyl]-4-carboxylic acid, and N1-methyl-1,2-benzenediamine, the title compound was obtained in 83% purity by HPLC. MS(ESI+): m/z=439.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07211601B2
Source datasetuspto-grants-2007_05
ORD IDord-01e02ce1209d460fbf58851e093ec483
Source noteuspto-grants-2007_05