1346945-64-9

Upstream product

• 35132-20-8 (R,R)-1,2-diphenylethylenediamine 
• 1252644-48-6 (1R,2R)-1,2-bis(3-nitrophenyl)ethane-1,2-diamine 
• 24424-99-5 di-tert-butyl dicarbonate 
• 1252644-42-0 N-((1R,2R)-2-amino-1,2-bis(3-nitrophenyl)ethyl)-4-methylbenzenesulfonamide 

Downstream Products

• 1235572-14-1 tert-butyl (1R,2R)-1,2-bis(3-aminophenyl)-2-(4-methylphenylsulfonamido)ethylcarbamate 
• 1346945-65-0 N-(p-toluenesulfonyl)-N-tert-butyloxycarbonyl-1,2-bis(3-(N,N'-di-tert-butyloxycarbonylguanidino)phenyl)ethylenediamine 

Relevant academic research and scientific papers

Synthesis of Chiral Polyamides Containing an (R,R)-1,2-Diphenylethylenediamine Monosulfonamide Structure and Their Application to Asymmetric Transfer Hydrogenation Catalysis

A chiral main-chain polyamide containing an (R,R)-1,2-diphenylethylenediamine monotoluenesulfonamide (TsDPEN) repeating unit was prepared. Polycondensation of dicarboxylic acid dichloride with the chiral bisaniline of N-tert-butoxycarbonyl-protected TsDPE

Synthesis of a water-soluble cationic chiral diamine ligand bearing a diguanidinium and application in asymmetric transfer hydrogenation

A novel water-soluble cationic N-monosulfonated chiral diamine ligand diguanidinium 1c was easily prepared from (R,R)-DPEN and its rhodium complex and was successfully applied in the asymmetric transfer hydrogenation of prochiral ketones and imines in water by using sodium formate and formic acid as co-hydrogen donors. Various substrates were reduced with high yields and good to excellent enantioselectivities (up to >99% ee).