Stereoselective Synthesis of Eight-Membered Cyclic Ethers by Tandem Nicholas Reaction/Ring-Closing Metathesis:  A Short Synthesis of (+)-cis-Lauthisan

2006 ◽  
Vol 8 (5) ◽  
pp. 871-873 ◽  
Author(s):  
Nuria Ortega ◽  
Tomás Martín ◽  
Víctor S. Martín
Keyword(s):  
Stereoselective Synthesis ◽  
Cyclic Ethers ◽  
Ring Closing Metathesis ◽  
Nicholas Reaction ◽  
Short Synthesis

scholarly journals Stereoselective Synthesis of Medium-Sized Cyclic Ethers by Sequential Ring-Closing Metathesis and Tsuji–Trost Allylation

2018 ◽  
Vol 20 (9) ◽  
pp. 2782-2786 ◽  
Author(s):  
James Skardon-Duncan ◽  
Michael Sparenberg ◽  
Alexandre Bayle ◽  
Sam Alexander ◽  
J. Stephen Clark
Keyword(s):  
Stereoselective Synthesis ◽  
Cyclic Ethers ◽  
Ring Closing Metathesis

Fluorinative Ring-Expansion of Cyclic Ethers Using p-Iodotoluene Difluoride. Stereoselective Synthesis of Fluoro Cyclic Ethers.

ChemInform ◽  
2003 ◽  
Vol 34 (33) ◽  
Author(s):  
Tomotake Inagaki ◽  
Yutaka Nakamura ◽  
Masanori Sawaguchi ◽  
Norihiko Yoneda ◽  
Shinichi Ayuba ◽  
...  
Keyword(s):  
Stereoselective Synthesis ◽  
Ring Expansion ◽  
Cyclic Ethers

Synthesis of Dibenzo-Fused 10-Membered Cyclic Ethers from Isovanillin via Ring-Closing Metathesis.

ChemInform ◽  
2006 ◽  
Vol 37 (22) ◽  
Author(s):  
Eng-Chi Wang ◽  
Yu-Li Lin ◽  
Hsing-Ming Chen ◽  
Sie-Rong Li ◽  
Chizuko Kabuto ◽  
...  
Keyword(s):  
Cyclic Ethers ◽  
Ring Closing Metathesis

scholarly journals A short stereoselective synthesis of (+)-(6R,2′S)-cryptocaryalactone via ring-closing metathesis

2009 ◽  
Vol 5 ◽  
Author(s):  
Palakodety Radha Krishna ◽  
Krishnarao Lopinti ◽  
K L N Reddy
Keyword(s):  
Stereoselective Synthesis ◽  
Metathesis Reaction ◽  
Ring Closing Metathesis ◽  
Propargylic Alcohol ◽  
Key Steps

A short stereoselective synthesis of (+)-(6R,2′S)-cryptocaryalactone was successfully completed. Key steps included the application of Carreira’s asymmetric alkynylation reaction to form a propargylic alcohol and subsequently lactone formation using the powerful ring-closing metathesis reaction.

Stereoselective Synthesis of Cyclic Ethers by SmI2-Induced Reductive Intramolecular Cyclization

2002 ◽  
Vol 31 (2) ◽  
pp. 148-149 ◽  
Author(s):  
Goh Matsuo ◽  
Hitomi Kadohama ◽  
Tadashi Nakata
Keyword(s):  
Intramolecular Cyclization ◽  
Stereoselective Synthesis ◽  
Cyclic Ethers

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.

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