First sequential Mukaiyama–Michael reaction/crossed-Claisen condensation using two molar ketene silyl acetals and one molar α,β-unsaturated esters promoted by a NaOH catalyst

2010 ◽  
Vol 46 (32) ◽  
pp. 5930 ◽  
Author(s):  
Hiroaki Tamagaki ◽  
Yuuya Nawate ◽  
Ryohei Nagase ◽  
Yoo Tanabe
Keyword(s):  
Michael Reaction ◽  
Claisen Condensation ◽  
Unsaturated Esters ◽  
Silyl Acetals

ChemInform Abstract: A Highly syn-Selective Michael Reaction of Enamines with α,β-Unsaturated Esters via Cationic Intermediates.

ChemInform ◽  
1990 ◽  
Vol 21 (3) ◽  
Author(s):  
Y. HASHIMOTO ◽  
S. MACHIDA ◽  
K. SAIGO ◽  
J. INOUE ◽  
M. HASEGAWA
Keyword(s):  
Michael Reaction ◽  
Unsaturated Esters

Sequential Michael addition/retro-Claisen condensation of aromatic β-diketones with α,β-unsaturated esters: an approach to obtain 1,5-ketoesters

2016 ◽  
Vol 14 (8) ◽  
pp. 2390-2394 ◽  
Author(s):  
Gui-Xin Cai ◽  
Jing Wen ◽  
Ting-Ting Lai ◽  
Dan Xie ◽  
Cheng-He Zhou
Keyword(s):  
Michael Addition ◽  
Bond Formation ◽  
One Pot ◽  
Claisen Condensation ◽  
Unsaturated Esters ◽  
Mild Conditions

A K2CO3-catalyzed one-pot protocol involving sequential C–C bond formation and cleavage of aromatic β-diketones with α,β-unsaturated esters is developed to obtain 1,5-ketoesters, proceeding smoothly under mild conditions in up to 98% isolated yield.

scholarly journals Powerful Ti-Crossed Claisen Condensation Between Ketene Silyl Acetals or Thioacetals and Acid Chlorides or Acids.

ChemInform ◽  
2007 ◽  
Vol 38 (11) ◽  
Author(s):  
Akira Iida ◽  
Syogo Nakazawa ◽  
Tomohito Okabayashi ◽  
Atsushi Horii ◽  
Tomonori Misaki ◽  
...  
Keyword(s):  
Acid Chlorides ◽  
Claisen Condensation ◽  
Silyl Acetals
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