Unexpected Dramatic Substituent Effect for Tuning the Selectivity in the Double Ring-Closing Metathesis Reaction of N-Containing Tetraenes. An Efficient Synthesis of Bicyclic Izidine Alkaloid Skeletons

2002 ◽  
Vol 4 (4) ◽  
pp. 639-641 ◽  
Author(s):  
Shengming Ma ◽  
Bukuo Ni
Keyword(s):  
Substituent Effect ◽  
Efficient Synthesis ◽  
Metathesis Reaction ◽  
Ring Closing Metathesis ◽  
Double Ring

A Double Ring Closing Metathesis Reaction in the Rapid, Enantioselective Synthesis of NK-1 Receptor Antagonists

2001 ◽  
Vol 3 (5) ◽  
pp. 671-674 ◽  
Author(s):  
Debra J. Wallace ◽  
Jonathan M. Goodman ◽  
Derek J. Kennedy ◽  
Antony J. Davies ◽  
Cameron J. Cowden ◽  
...  
Keyword(s):  
Enantioselective Synthesis ◽  
Metathesis Reaction ◽  
Receptor Antagonists ◽  
Ring Closing Metathesis ◽  
Double Ring

An efficient synthesis of 3,4-dihydropyridone via a tandem olefin isomerization–ring-closing metathesis reaction

2014 ◽  
Vol 55 (40) ◽  
pp. 5529-5532 ◽  
Author(s):  
Chong Si ◽  
Kevin R. Fales ◽  
Robert D. Boyer ◽  
F. George Njoroge
Keyword(s):  
Efficient Synthesis ◽  
Metathesis Reaction ◽  
Ring Closing Metathesis ◽  
Olefin Isomerization

ChemInform Abstract: A Double Ring Closing Metathesis Reaction in the Rapid, Enantioselective Synthesis of NK-1 Receptor Antagonists.

ChemInform ◽  
2010 ◽  
Vol 32 (26) ◽  
pp. no-no
Author(s):  
Debra J. Wallace ◽  
Jonathan M. Goodman ◽  
Derek J. Kennedy ◽  
Antony J. Davies ◽  
Cameron J. Cowden ◽  
...  
Keyword(s):  
Enantioselective Synthesis ◽  
Metathesis Reaction ◽  
Receptor Antagonists ◽  
Ring Closing Metathesis ◽  
Double Ring

Diastereoselective double ring closing metathesis reactions as an approach to symmetrical bicyclodienes

2000 ◽  
Vol 78 (6) ◽  
pp. 868-883 ◽  
Author(s):  
Mark Lautens ◽  
Gregory Hughes ◽  
Valentin Zunic
Keyword(s):  
Ring Closing Metathesis ◽  
Double Ring ◽  
New Class ◽  
Wide Range ◽  
Metathesis Reactions ◽  
Bicyclic Dienes

A new class of bicyclic dienes which contain a σ plane of symmetry are efficiently prepared in a diastereoselective fashion using ring closing metathesis reactions. These molecules have potential as starting materials for a wide range of organic targets.Key words: metathesis, catalysis, stereoselective, decalin, desymmetrization.

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