Radical Abstraction vs Cyclisation in Reactions of ortho-Bromophenyl Sulfone Systems: Stereoselective Synthesis of Benz-fused Six and Seven-Membered Ring Sulfones

Synlett ◽  
1995 ◽  
Vol 1995 (09) ◽  
pp. 943-944 ◽  
Author(s):  
Christopher D. S. Brown ◽  
Allan P. Dishington ◽  
Oleg Shishkin ◽  
Nigel S. Simpkins
Keyword(s):  
Stereoselective Synthesis ◽  
Membered Ring

Towards the Total Synthesis of Schisandrene: Stereoselective Synthesis of the Dibenzocyclooctadiene Lignan Core

Synlett ◽  
2018 ◽  
Vol 29 (07) ◽  
pp. 908-911 ◽  
Author(s):  
K. Babu ◽  
Arramshetti Venkanna ◽  
Borra Poornima ◽  
Bandi Siva ◽  
B. Babu
Keyword(s):  
Total Synthesis ◽  
Stereoselective Synthesis ◽  
Asymmetric Reduction ◽  
Cross Coupling ◽  
Membered Ring ◽  
Stille Reaction ◽  
Reaction Sequence ◽  
Ring Closing Metathesis ◽  
Synthetic Strategy ◽  
First Time

A stereoselective synthesis of the dibenzocyclooctadiene ­lignan core of the natural product schisandrene is described. Starting from readily available gallic acid, the synthetic strategy involves Suzuki–Miyaura cross-coupling, Stille reaction, and ring-closing metathesis (RCM) in the reaction sequence. The required asymmetric center at C-7′ was established by an asymmetric reduction of a keto compound using the Corey–Bakshi–Shibata (CBS) catalyst. In our approach, the eight-membered ring was achieved by RCM for the first time.

A Biomimetic Approach to Taxol: Stereoselective Synthesis of a 12-Membered Ring Ene-Epoxide

1997 ◽  
Vol 37 (1) ◽  
pp. 31-37 ◽  
Author(s):  
Takashi Takahashi ◽  
Tadashi Okabe ◽  
Hajime Iwamoto ◽  
Yoichiro Hirose ◽  
Haruo Yamada ◽  
...  
Keyword(s):  
Stereoselective Synthesis ◽  
Membered Ring ◽  
Biomimetic Approach

scholarly journals Stereoselective synthesis of three-membered ring compounds via ylide routes

1999 ◽  
Vol 71 (3) ◽  
pp. 369-376 ◽  
Author(s):  
L.-X. Dai ◽  
X.-L. Hou ◽  
Y.-G. Zhou
Keyword(s):  
Stereoselective Synthesis ◽  
Membered Ring ◽  
Ring Compounds

ChemInform Abstract: Stereoselective Synthesis of Three-Membered Ring Compounds via Ylide Routes

ChemInform ◽  
2010 ◽  
Vol 30 (52) ◽  
pp. no-no
Author(s):  
Li-Xin Dai ◽  
Xue-Long Hou ◽  
Yong-Gui Zhou
Keyword(s):  
Stereoselective Synthesis ◽  
Membered Ring ◽  
Ring Compounds
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