Asymmetric Synthesis of Axially Chiral 2-Aminobiaryls by Rhodium-Catalyzed Benzannulation of 1-Arylalkynes with 2-(Cyanomethyl)phenylboronates
作者:Fei Xue、Tamio Hayashi
DOI:10.1002/anie.201806324
日期:2018.8.6
Asymmetric benzannulation of 1‐arylalkynes, where the aryl group is an ortho‐substituted aromatic group, with 2‐(cyanomethyl)phenylboronate was catalyzed by a rhodium complex coordinated with a chiral diene ligand to give high yields of axially chiral 2‐aminobiaryls with greater than 90 % ee.
An organic molecule having a structure of formula I:
wherein
T and V is independently from another selected from the group consisting of R
1
and R
2
; and
R
1
has a structure of formula II:
which is bonded via the position marked by the dotted line,
wherein Ar
1
is C
6
-C
60
-aryl.