Gold‐Catalyzed Oxidative Aminocyclizations of Propargyl Alcohols and Propargyl Amines to Form Two Distinct Azacyclic Products: Carbene Formation versus a 3,3‐Sigmatropic Shift of an Initial Intermediate

2020 ◽  
Vol 26 (70) ◽  
pp. 16932-16938
Author(s):  
Amit Vijay Sasane ◽  
Antony Sekar Kulandai Raj ◽  
Tzu‐Hsuan Chao ◽  
Mu‐Jeng Chen ◽  
Rai‐Shung Liu
Author(s):  
Ping Bao ◽  
Feiyan Yu ◽  
Fu-Sheng He ◽  
Zhimei Tang ◽  
Wei-Ping Deng ◽  
...  

A photoinduced sulfonylvinylation of unactivated C(sp3)-H bond through a three-component reaction of propargyl alcohols, potassium metabisulfite and cycloketone oxime esters is developed. This approach enables rapid access to cyanoalkylated vinyl...


2021 ◽  
Author(s):  
Chandra MR Volla ◽  
Shreemoyee Kumar ◽  
Akshay Murali Nair
Keyword(s):  

We hereby report a Ru(II)-catalyzed C(sp2)-H allenylation of N-tosylbenzamides to access multi-substituted allenylamides. Furthermore, the allenylamides were converted to the corresponding isoquinolone derivatives via base mediated annulation. The current protocol...


2015 ◽  
Vol 51 (2) ◽  
pp. 380-383 ◽  
Author(s):  
Masahiro Egi ◽  
Kaori Shimizu ◽  
Marin Kamiya ◽  
Yuya Ota ◽  
Shuji Akai

An asymmetric synthesis of highly substituted indenes has been developed via the central–axial–central chirality transfer from optically active propargyl alcohols.


Author(s):  
Mark J. M. Vlaar ◽  
Pieter Valkier ◽  
Marius Schakel ◽  
Andreas W. Ehlers ◽  
Martin Lutz ◽  
...  
Keyword(s):  

2011 ◽  
Vol 353 (1) ◽  
pp. 133-146 ◽  
Author(s):  
Nicola Della Ca' ◽  
Bartolo Gabriele ◽  
Giuseppe Ruffolo ◽  
Lucia Veltri ◽  
Tito Zanetta ◽  
...  

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