Regio- and Enantioselective Catalytic Cyclization of Pyrroles ontoN-Acyliminium Ions

2008 ◽  
Vol 10 (8) ◽  
pp. 1577-1580 ◽  
Author(s):  
Izzat T. Raheem ◽  
Parvinder S. Thiara ◽  
Eric N. Jacobsen
Keyword(s):  
Acyliminium Ions ◽  
Catalytic Cyclization

ChemInform Abstract: Regio- and Enantioselective Catalytic Cyclization of Pyrroles onto N-Acyliminium Ions.

ChemInform ◽  
2008 ◽  
Vol 39 (36) ◽  
Author(s):  
Izzat T. Raheem ◽  
Parvinder S. Thiara ◽  
Eric N. Jacobsen
Keyword(s):  
Acyliminium Ions ◽  
Catalytic Cyclization

Olefin cyclisations of hindered α-acyliminium ions

Tetrahedron ◽  
1982 ◽  
Vol 38 (1) ◽  
pp. 209-217 ◽  
Author(s):  
B.P. Wijnberg ◽  
W.N. Speckamp ◽  
A.R.C. Oostveen
Keyword(s):  
Acyliminium Ions

Stereoselective synthesis of O-tosyl azabicyclic derivatives via aza Prins reaction of endocyclic N-acyliminium ions: application to the total synthesis of (±)-epi-indolizidine 167B and 209D

2014 ◽  
Vol 12 (36) ◽  
pp. 7026-7035 ◽  
Author(s):  
Anil K. Saikia ◽  
Kiran Indukuri ◽  
Jagadish Das
Keyword(s):  
Total Synthesis ◽  
Stereoselective Synthesis ◽  
Cyclization Reaction ◽  
Diastereoselective Synthesis ◽  
Prins Reaction ◽  
Prins Cyclization ◽  
Acyliminium Ions

A diastereoselective synthesis of 4-O-tosyl piperidine containing azabicyclic derivatives has been established via Prins cyclization reaction. This protocol has been applied for the total synthesis of (±)-epi-indolizidine 167B and 209D.

ChemInform Abstract: A Highly Enantioselective Mannich Reaction of Aldehydes with Cyclic N-Acyliminium Ions by Synergistic Catalysis.

ChemInform ◽  
2016 ◽  
Vol 47 (1) ◽  
Author(s):  
Francesco Berti ◽  
Federico Malossi ◽  
Fabio Marchetti ◽  
Mauro Pineschi
Keyword(s):  
Mannich Reaction ◽  
Acyliminium Ions ◽  
Synergistic Catalysis

The stereochemistry of the addition of titanium enolates of N-propionyl-oxazolidin-2-ones to 5- and 6-membered N-acyliminium ions

1999 ◽  
Vol 40 (15) ◽  
pp. 2891-2894 ◽  
Author(s):  
Ronaldo A. Pilli ◽  
Conceição de Fátima Alves ◽  
Maria Alice Böckelmann ◽  
Yvonne P. Mascarenhas ◽  
J. Geraldo Nery ◽  
...  
Keyword(s):  
Acyliminium Ions ◽  
Titanium Enolates

scholarly journals Dual metal and Lewis base catalysis approach for asymmetric synthesis of dihydroquinolines and the α-arylation of aldehydes via N-acyliminium ions

2015 ◽  
Vol 51 (87) ◽  
pp. 15788-15791 ◽  
Author(s):  
Chandra M. R. Volla ◽  
Eleonora Fava ◽  
Iuliana Atodiresei ◽  
Magnus Rueping
Keyword(s):  
Asymmetric Synthesis ◽  
Catalytic System ◽  
Optically Active ◽  
Lewis Base ◽  
Base Catalysis ◽  
Asymmetric Addition ◽  
Acyliminium Ions ◽  
Indium Triflate ◽  
Dual Metal

A dual catalytic system consisting of indium triflate and a chiral imidazolidinone catalyzes the asymmetric addition of aldehydes to N-acyl quinoliniums furnishing optically active dihydroquinolines in good yields and excellent selectivities.

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