Triflic acid catalyzed formal [3 + 2] cycloaddition of donor-acceptor oxiranes and nitriles: a facile access to 3-oxazolines.
A TfOH-catalyzed chemoselective [3 + 2] cycloaddition of donor-acceptor oxiranes and nitriles is described. This reaction provides an efficient and practical method for the preparation of useful 3-oxazolines in good to excellent yields (up to 99%).
†College of Chemistry and Materials Engineering, Quzhou University, Quzhou 324000, China.
Hai
H
Zhou
‡College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 310018, China.
Xiaofei
X
Zeng
‡College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 310018, China.
Liyuan
L
Ding
†College of Chemistry and Materials Engineering, Quzhou University, Quzhou 324000, China.
Yan
Y
Xie
‡College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 310018, China.
Guofu
G
Zhong