ChemInform Abstract: An Efficient Catalyst Free Synthesis of Nitrogen Containing Spiro Heterocycles via [5 + 1] Double Michael Addition Reaction.

ChemInform ◽  
2014 ◽  
Vol 45 (46) ◽  
pp. no-no
Author(s):  
Komal Aggarwal ◽  
Kanika Vij ◽  
Jitender M. Khurana
Keyword(s):  
Michael Addition ◽  
Addition Reaction ◽  
Michael Addition Reaction ◽  
Efficient Catalyst ◽  
Catalyst Free

Synthesis of functionalized isoxazole–oxindole hybrids via on water, catalyst free vinylogous Henry and 1,6-Michael addition reactions

RSC Advances ◽  
2015 ◽  
Vol 5 (100) ◽  
pp. 81768-81773 ◽  
Author(s):  
Sakkani Nagaraju ◽  
Neeli Satyanarayana ◽  
Banoth Paplal ◽  
Anuji K. Vasu ◽  
Sriram Kanvah ◽  
...  
Keyword(s):  
Michael Addition ◽  
Addition Reaction ◽  
Addition Reactions ◽  
Michael Addition Reaction ◽  
Henry Reaction ◽  
Catalyst Free

Various isoxazole–oxindole hybrids were synthesized via vinylogous Henry reaction of 3,5-dimethyl-4-nitroisoxazole and isatin under catalyst free conditions in water. The products obtained were functionalized using 1,6-Michael addition reaction.

Copper Nanoparticles in Ionic Liquid: An Easy and Efficient Catalyst for Selective Carba-Michael Addition Reaction

2008 ◽  
Vol 127 (1-2) ◽  
pp. 119-125 ◽  
Author(s):  
Prashant Singh ◽  
Kamlesh Kumari ◽  
Anju Katyal ◽  
Rashmi Kalra ◽  
Ramesh Chandra
Keyword(s):  
Ionic Liquid ◽  
Copper Nanoparticles ◽  
Michael Addition ◽  
Addition Reaction ◽  
Michael Addition Reaction ◽  
Efficient Catalyst

Preparation of a microsized cerium chloride-based catalyst and its application in the Michael addition of β-diketones to vinyl ketones

2014 ◽  
Vol 38 (4) ◽  
pp. 1493-1502 ◽  
Author(s):  
Alexander O. Terent'ev ◽  
Vera A. Vil' ◽  
Ivan A. Yaremenko ◽  
Oleg V. Bityukov ◽  
Dmitri O. Levitsky ◽  
...  
Keyword(s):  
Michael Addition ◽  
Addition Reaction ◽  
Cerium Chloride ◽  
Michael Addition Reaction ◽  
Efficient Catalyst ◽  
The Michael Addition

A facile method was developed for the preparation of microsized cerium chloride, which is an efficient catalyst in the Michael addition reaction.

Molecular sieve mediated sequential Knoevenagel condensation/decarboxylative Michael addition reaction: efficient and mild conditions for the synthesis of 3,3-disubstituted oxindoles with an all carbon quaternary center

RSC Advances ◽  
2016 ◽  
Vol 6 (78) ◽  
pp. 74683-74690 ◽  
Author(s):  
Yi-Lin Guo ◽  
Yu-Hsun Li ◽  
Hsuan-Hao Chang ◽  
Ting-Shen Kuo ◽  
Jeng-Liang Han
Keyword(s):  
Michael Addition ◽  
Molecular Sieve ◽  
Addition Reaction ◽  
Knoevenagel Condensation ◽  
Michael Addition Reaction ◽  
Mild Conditions ◽  
Catalyst Free ◽  
Quaternary Center ◽  
Broad Scope

A mild, catalyst-free and efficient molecular sieve mediated sequential Knoevenagel condensation/decarboxylative Michael additon reaction has been developed. A broad scope of 3,3-disubstituted oxindoles were synthesized in good to excellent yields.

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