Synthesis 2021; 53(16): 2889-2896
DOI: 10.1055/a-1488-4467
paper

Yb(OTf)3-Mediated Regioselective Hydroamination of Ynamides with Anilines and p-Toluenesulfonamide

Xiaobao Zeng
,
Qingyun Gu
,
Wenjing Dai
,
Yushan Xie
,
Xinyi Liu
,
Guixia Wu
This study was supported by National College Students Innovation and Entrepreneurship Training Program (202010304044Z), the Jiangsu’s Mass Entrepreneurship and Innovation Program, the Start-Up Funding for Research of Nantong University (03081231), and the Large Instruments Open Foundation of Nantong University (KFJN2175; KFJN2176).


Abstract

A rare-earth salt Yb(OTf)3-catalyzed regioselective hydroamination of ynamides with anilines and p-toluenesulfonamide has been developed. This protocol provided facile access to a diverse range of amidines with good functional group tolerance in moderate to high yields.

Supporting Information



Publikationsverlauf

Eingereicht: 23. März 2021

Angenommen nach Revision: 21. April 2021

Accepted Manuscript online:
21. April 2021

Artikel online veröffentlicht:
19. Mai 2021

© 2021. Thieme. All rights reserved

Georg Thieme Verlag KG
Rüdigerstraße 14, 70469 Stuttgart, Germany