911701-75-2

Upstream product

• 97152-19-7 dimethyl 4,4',5,5',6,6'-hexakis(benzyloxy)-[1,1'-biphenyl]-2,2'-dicarboxylate 

Downstream Products

• 911701-76-3 (R)-3,3'-bis(3,4,5-trifluorophenyl)-4,5,6,4',5',6'-hexabenzyloxydiphenate dimethyl ester 
• 911701-76-3 (S)-3,3'-bis(3,4,5-trifluorophenyl)-4,5,6,4',5',6'-hexabenzyloxydiphenate dimethyl ester 

Relevant academic research and scientific papers

OPTICALLY ACTIVE QUATERNARY AMMONIUM SALT HAVING AXIAL ASYMMETRY AND PROCESS FOR PRODUCING -AMINO ACID AND DERIVATIVE THEREOF WITH THE SAME

The present invention provides a chiral phase-transfer catalyst of the following formula (I): The compound (I) can be produced by reacting a 2,2'-dimethylene bromide-1,1'-biphenyl derivative, which can be produced through comparatively small number of steps, with an easily available secondary amine.