Convenient Preparation of Chiral trans-9,10-Dihydrophenanthrene-9,10-diamine

Abstract

Chiral trans-9,10-dihydrophenanthrene-9,10-diamine was conveniently prepared from biphenyl-2,2′-dialdehyde using intramolecular imino pinacol coupling and oxidative cleavage of aminoalcohol as key steps.

Keywords:

• trans-9,10-Dihydrophenanthrene-9,10-diamine
• imino pinacol coupling
• oxidative cleavage
• salen
• vicinal diamine