Acid-Catalyzed [3,3] Sigmatropic Rearrangement of N-Cbz-Diaryl Hydrazide for the Synthesis of Mono-N-Cbz-1,1′-biaryl-2,2′-diamine
作者:Sung-Eun Suh、In-Keol Park、Byeong-Yun Lim、Cheon-Gyu Cho
DOI:10.1002/ejoc.201001461
日期:2011.1
N-Cbz-Diaryl hydrazides undergo acid-catalyzed [3,3] sigmatropicrearrangement to afford N-Cbz-1,1'-biaryl-2,2'-diamines. The resultant products can be versatile synthetic platforms for a wide variety of C-2- and/or nonsymmetric axially chiral ligands and organocatalysts.