An efficient synthesis of (E)-α,β-unsaturated ketones and esters with total stereoselectivity by using chromium dichloride

Tetrahedron ◽  
2006 ◽  
Vol 62 (14) ◽  
pp. 3292-3300 ◽  
Author(s):  
José M. Concellón ◽  
Humberto Rodríguez-Solla ◽  
Carmen Méjica
Keyword(s):  
Efficient Synthesis ◽  
Unsaturated Ketones

Brønsted acid cocatalysis in photocatalytic intramolecular coupling of tertiary amines: efficient synthesis of 2-arylindols

2016 ◽  
Vol 14 (31) ◽  
pp. 7447-7450 ◽  
Author(s):  
Xiaoqian Yuan ◽  
Xinxin Wu ◽  
Shupeng Dong ◽  
Guibing Wu ◽  
Jinxing Ye
Keyword(s):  
Visible Light ◽  
Visible Light Irradiation ◽  
Room Temperature ◽  
Coupling Reaction ◽  
Bronsted Acid ◽  
Tertiary Amines ◽  
Brønsted Acid ◽  
Efficient Synthesis ◽  
Unsaturated Ketones ◽  
Brönsted Acid

We report herein a highly efficient intramolecular coupling reaction of tertiary amines and ketones (α,β-unsaturated ketones) by using a Brønsted acid as a cocatalyst, affording 2-arylindols in good to excellent yields (up to 92%) under visible light irradiation at room temperature.

Tandem Cohalogenation-Dehydrohalogenation: A New Efficient Synthesis of 2-Acylfurans from α,β-Unsaturated Ketones

Synlett ◽  
1992 ◽  
Vol 1992 (09) ◽  
pp. 737-738 ◽  
Author(s):  
J. -P. Dulcère ◽  
R. Faure ◽  
J. Rodriguez
Keyword(s):  
Efficient Synthesis ◽  
Unsaturated Ketones

ChemInform Abstract: An Efficient Synthesis of 2,3,5-Trisubstituted Furans from α,β-Unsaturated Ketones.

ChemInform ◽  
2010 ◽  
Vol 31 (9) ◽  
pp. no-no
Author(s):  
Catherine D. Brown ◽  
J. Michael Chong ◽  
Lixin Shen
Keyword(s):  
Efficient Synthesis ◽  
Unsaturated Ketones ◽  
Trisubstituted Furans
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