scholarly journals Nucleophilic vinylic substitution in bicyclic methyleneaziridines: SNVπ or SNVσ?

2021 ◽  
Author(s):  
Vitalii Palchykov ◽  
Peter C. Dale ◽  
Jeremy Robertson
Keyword(s):  
Ring Opening ◽  
Stereoselective Synthesis ◽  
Nucleophilic Vinylic Substitution ◽  
Vinylic Substitution

A stereoselective synthesis of the monodeuterated methyleneaziridine shown allowed the stereochemical course of formal SNV-mode ring-opening with copper-based organometallics to be assigned.

scholarly journals Stereoselective Synthesis of Tetraalkyl Cyclobutene-1,2,3,4-tetracarboxylates. Synthesis of Tetraalkyl (Z,Z)-Buta-1,3-diene-1,2,3,4-tetracarboxylates

1999 ◽  
Vol 23 (8) ◽  
pp. 512-513
Author(s):  
Issa Yavari ◽  
Farahnaz Nourmohammadian
Keyword(s):  
Ring Opening ◽  
Wittig Reaction ◽  
Stereoselective Synthesis ◽  
Intramolecular Wittig Reaction ◽  
Ring Opening Reactions ◽  
Boiling Toluene

Tetraalkyl cyclobutene-1,2,3,4-tetracarboxylates, prepared by intramolecular Wittig reaction between a vinylphosphonium salt and diethyl 2-oxobutanedioate, undergo electrocyclic ring-opening reactions, in boiling toluene, to produce highly electron-deficient 1,3-dienes.

Nucleophilic Vinylic Substitution in Perfluoroacylchromenes. Diastereoselective Synthesis of Push–Pull Enamino Ketones

2021 ◽  
Vol 57 (7) ◽  
pp. 1053-1062
Author(s):  
V. A. Osyanin ◽  
K. S. Korzhenko ◽  
D. A. Rashchepkina ◽  
D. V. Osipov ◽  
Yu. N. Klimochkin
Keyword(s):  
Diastereoselective Synthesis ◽  
Enamino Ketones ◽  
Nucleophilic Vinylic Substitution ◽  
Vinylic Substitution

scholarly journals Stereoselective Synthesis of Tropanes via a 6π‐Electrocyclic Ring‐Opening/ Huisgen [3+2]‐Cycloaddition Cascade of Monocyclopropanated Heterocycles

2020 ◽  
Vol 59 (41) ◽  
pp. 18110-18115
Author(s):  
Carina M. Sonnleitner ◽  
Saerom Park ◽  
Robert Eckl ◽  
Thomas Ertl ◽  
Oliver Reiser
Keyword(s):  
Ring Opening ◽  
Stereoselective Synthesis
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