scholarly journals Asymmetric Michael addition reactions of pyrrolones with chalcones catalyzed by vicinal primary-diamine salts

RSC Advances ◽  
2017 ◽  
Vol 7 (39) ◽  
pp. 24547-24550 ◽  
Author(s):  
Xiaolei Du ◽  
Dawei Yin ◽  
Zemei Ge ◽  
Xin Wang ◽  
Runtao Li
Keyword(s):  
Michael Addition ◽  
Addition Reaction ◽  
Addition Reactions ◽  
Michael Addition Reaction ◽  
Asymmetric Michael Addition

The asymmetric Michael addition reaction of pyrrolones with chalcones catalyzed by vicinal primary-diamine salts has been developed in good yields and high enantioselectivities.

Synthesis of pyrrolidine-3-carboxylic acid derivatives via asymmetric Michael addition reactions of carboxylate-substituted enones

2017 ◽  
Vol 15 (29) ◽  
pp. 6089-6092 ◽  
Author(s):  
Feng Yin ◽  
Ainash Garifullina ◽  
Fujie Tanaka
Keyword(s):  
Carboxylic Acid ◽  
Michael Addition ◽  
Addition Reaction ◽  
Reaction System ◽  
Addition Reactions ◽  
Michael Addition Reaction ◽  
Asymmetric Michael Addition

An enantioselective Michael addition reaction system was developed. Using the reaction system, 5-methylpyrrolidine-3-carboxylic acid was synthesized in two steps.

The design of a spiro-pyrrolidine organocatalyst and its application to catalytic asymmetric Michael addition for the construction of all-carbon quaternary centers

2015 ◽  
Vol 51 (49) ◽  
pp. 9979-9982 ◽  
Author(s):  
Jin-Miao Tian ◽  
Yong-Hai Yuan ◽  
Yong-Qiang Tu ◽  
Fu-Min Zhang ◽  
Xiao-Bo Zhang ◽  
...  
Keyword(s):  
Michael Addition ◽  
Addition Reaction ◽  
Silyl Ether ◽  
Michael Addition Reaction ◽  
Quaternary Centers ◽  
Asymmetric Michael Addition ◽  
Catalytic Asymmetric

A novel chiral spiro-pyrrolidine silyl ether organocatalyst has been designed and applied to an asymmetric Michael addition reaction.

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.

Asymmetric Michael addition of ketones to nitroolefins: pyrrolidinyl-oxazole-carboxamides as new efficient organocatalysts

2014 ◽  
Vol 12 (40) ◽  
pp. 8008-8018 ◽  
Author(s):  
Ahmed Kamal ◽  
Manda Sathish ◽  
Vunnam Srinivasulu ◽  
Jadala Chetna ◽  
Kunta Chandra Shekar ◽  
...  
Keyword(s):  
Michael Addition ◽  
Addition Reaction ◽  
Mechanistic Studies ◽  
Michael Addition Reaction ◽  
Asymmetric Michael Addition

New pyrrolidinyl-oxazole-carboxamides were synthesized and utilized as efficient organocatalysts for asymmetric Michael addition reaction. In addition, computational mechanistic studies were performed.

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