Organocatalytic Conjugate-Addition Polymerization of Linear and Cyclic Acrylic Monomers by N-Heterocyclic Carbenes: Mechanisms of Chain Initiation, Propagation, and Termination

2013 ◽  
Vol 135 (47) ◽  
pp. 17925-17942 ◽  
Author(s):  
Yuetao Zhang ◽  
Meghan Schmitt ◽  
Laura Falivene ◽  
Lucia Caporaso ◽  
Luigi Cavallo ◽  
...  
Keyword(s):  
Conjugate Addition ◽  
Heterocyclic Carbenes ◽  
Chain Initiation ◽  
Addition Polymerization ◽  
Acrylic Monomers

Asymmetric Synthesis with N-Heterocyclic Carbenes. Application to the Copper-Catalyzed Conjugate Addition.

ChemInform ◽  
2003 ◽  
Vol 34 (28) ◽  
Author(s):  
Alexandre Alexakis ◽  
Caroline L. Winn ◽  
Frederic Guillen ◽  
Julien Pytkowicz ◽  
Sylvain Roland ◽  
...  
Keyword(s):  
Asymmetric Synthesis ◽  
Conjugate Addition ◽  
Heterocyclic Carbenes

Enantioselective copper catalysed 1,4-conjugate addition reactions using chiral N-heterocyclic carbenes

2005 ◽  
Vol 690 (24-25) ◽  
pp. 5672-5695 ◽  
Author(s):  
Caroline L. Winn ◽  
Frédéric Guillen ◽  
Julien Pytkowicz ◽  
Sylvain Roland ◽  
Pierre Mangeney ◽  
...  
Keyword(s):  
Conjugate Addition ◽  
Heterocyclic Carbenes ◽  
Addition Reactions

Oxa-Michael addition polymerization of acrylates catalyzed by N-heterocyclic carbenes

2015 ◽  
Vol 6 (2) ◽  
pp. 294-301 ◽  
Author(s):  
Shin-ichi Matsuoka ◽  
Shoko Namera ◽  
Masato Suzuki
Keyword(s):  
Michael Addition ◽  
Room Temperature ◽  
Heterocyclic Carbenes ◽  
Addition Polymerization ◽  
Acrylate Monomers ◽  
Zwitterionic Intermediate ◽  
Michael Addition Polymerization

N-heterocyclic carbenes (NHCs) smoothly catalyze the oxa-Michael addition polymerization of hydroxyl functionalized acrylate monomers at room temperature via a zwitterionic intermediate.

1,4‐Conjugate Addition of Aryl boronic Acids on Cyclohexenone as Catalyzed by Rhodium(I) Complexes of C 2 ‐Symmetric Bioxazoline Fused N‐heterocyclic Carbenes

2019 ◽  
Vol 4 (29) ◽  
pp. 8526-8533 ◽  
Author(s):  
Balasubramaniyam Ramasamy ◽  
A. P. Prakasham ◽  
Manoj Kumar Gangwar ◽  
Prasenjit Ghosh
Keyword(s):  
Conjugate Addition ◽  
Boronic Acids ◽  
Heterocyclic Carbenes

Asymmetric Synthesis withN-Heterocyclic Carbenes. Application to the Copper-Catalyzed Conjugate Addition

2003 ◽  
Vol 345 (3) ◽  
pp. 345-348 ◽  
Author(s):  
Alexandre Alexakis ◽  
Caroline L. Winn ◽  
Frederic Guillen ◽  
Julien Pytkowicz ◽  
Sylvain Roland ◽  
...  
Keyword(s):  
Asymmetric Synthesis ◽  
Conjugate Addition ◽  
Heterocyclic Carbenes

scholarly journals N-Heterocyclic Carbene-Promoted Rauhut–Currier Reactions between Vinyl Sulfones and ?,?-Unsaturated Aldehydes

2011 ◽  
Vol 64 (8) ◽  
pp. 1158 ◽  
Author(s):  
Roxanne L. Atienza ◽  
Karl A. Scheidt
Keyword(s):  
Reaction Pathway ◽  
Conjugate Addition ◽  
Heterocyclic Carbenes ◽  
Vinyl Sulfone ◽  
Type Reaction ◽  
Unsaturated Aldehydes

N-heterocyclic carbenes (NHCs) promote the addition of 1,1-bis(phenylsulfonyl)ethylene to the α-position of α,β-unsaturated aldehydes. The proposed reaction pathway for this Rauhut–Currier-type reaction includes an unusual conjugate addition of an NHC to a bis-vinyl sulfone.

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