Unified approach to catechin hetero-oligomers: first total synthesis of trimer EZ–EG–CA isolated from Ziziphus jujuba

2012 ◽  
Vol 10 (38) ◽  
pp. 7685 ◽  
Author(s):  
Takahisa Yano ◽  
Ken Ohmori ◽  
Haruko Takahashi ◽  
Takenori Kusumi ◽  
Keisuke Suzuki
2019 ◽  
Vol 60 (33) ◽  
pp. 150941 ◽  
Author(s):  
Sovan Niyogi ◽  
Arindam Khatua ◽  
Vishnumaya Bisai

2011 ◽  
Vol 50 (18) ◽  
pp. 4222-4226 ◽  
Author(s):  
Henning Jacob Jessen ◽  
Andreas Schumacher ◽  
Travis Shaw ◽  
Andreas Pfaltz ◽  
Karl Gademann

2004 ◽  
Vol 101 (33) ◽  
pp. 12042-12047 ◽  
Author(s):  
A. B. Smith ◽  
C. M. Adams ◽  
S. A. L. Barbosa ◽  
A. P. Degnan

2021 ◽  
Author(s):  
Yasuaki Nakayama ◽  
Michael Maser ◽  
Tatsuya Okita ◽  
Anton V. Dubrovskiy ◽  
Taryn L. Campbell ◽  
...  

<a></a>The first total synthesis of the cytotoxic alkaloid ritterazine B is reported. The synthesis features a unified approach to both steroid subunits, employing a titanium-mediated propargylation reaction to achieve divergence from a common precursor. Other key steps include gold-catalyzed cycloisomerizations that install both spiroketals, and late stage C–H oxidation to incorporate the C7<a></a><a>′</a> alcohol.<br>


Author(s):  
Ruben L. H. Andringa ◽  
Niels A. W. Kok ◽  
Arnold J. M. Driessen ◽  
Adriaan J. Minnaard

2021 ◽  
Author(s):  
Yasuaki Nakayama ◽  
Michael Maser ◽  
Tatsuya Okita ◽  
Anton V. Dubrovskiy ◽  
Taryn L. Campbell ◽  
...  

<a></a>The first total synthesis of the cytotoxic alkaloid ritterazine B is reported. The synthesis features a unified approach to both steroid subunits, employing a titanium-mediated propargylation reaction to achieve divergence from a common precursor. Other key steps include gold-catalyzed cycloisomerizations that install both spiroketals, and late stage C–H oxidation to incorporate the C7<a></a><a>′</a> alcohol.<br>


2018 ◽  
Vol 5 (4) ◽  
pp. 629-632 ◽  
Author(s):  
Kai Chen ◽  
Zhengshuang Xu ◽  
Tao Ye

A unified approach leading to the total synthesis of amphidinins E, F and epi-amphidinin F of a new structural class of linear marine polyketides is described.


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