Asymmetric Synthesis of cis-3,4-Disubstituted Chromans and Dihydrocoumarins via an Organocatalytic Michael Addition/ Hemiacetalization Reaction

2010 ◽  
Vol 352 (17) ◽  
pp. 2869-2874 ◽  
Author(s):  
Dieter Enders ◽  
Chuan Wang ◽  
Xuena Yang ◽  
Gerhard Raabe
2016 ◽  
Vol 22 (46) ◽  
pp. 16429-16432 ◽  
Author(s):  
Yuki Kaji ◽  
Naohiro Uemura ◽  
Yoshio Kasashima ◽  
Hiroki Ishikawa ◽  
Yasushi Yoshida ◽  
...  

2018 ◽  
Vol 16 (48) ◽  
pp. 9390-9401 ◽  
Author(s):  
Yong-Xing Song ◽  
Da-Ming Du

A bifunctional squaramide-catalyzed asymmetric cascade aza-Michael/Michael addition reaction for the synthesis of chiral spirothiazolidinone tetrahydroquinolines with three contiguous stereocenters has been developed.


2019 ◽  
Vol 43 (25) ◽  
pp. 9771-9775 ◽  
Author(s):  
Vijay Gupta ◽  
Ravi P. Singh

An efficient organocatalyzed asymmetric synthesis of 2-amino-4H-(2-furanone)-3-carbonitrile via vinylogous Michael addition of non-activated β,γ-unsaturated butenolide to 2-iminochromenes has been realized.


2008 ◽  
Vol 2008 (16) ◽  
pp. 2759-2766 ◽  
Author(s):  
Noriko Saito ◽  
Akemi Ryoda ◽  
Waka Nakanishi ◽  
Takuya Kumamoto ◽  
Tsutomu Ishikawa

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