Results 291 to 300 of about 1,004,074 (357)

Intermolecular direct catalytic cross-Michael/Michael reactions and tandem Michael/Michael/aldol reactions to linear compounds

open access: yesIntermolecular direct catalytic cross-Michael/Michael reactions and tandem Michael/Michael/aldol reactions to linear compounds
openaire  

Insight into the Mechanism of the Michael Reaction

ChemPhysChem, 2016
AbstractThe mechanism for the nucleophilic addition step of the Michael reaction between methanethiol as a model Michael donor and several α‐substituted methyl acrylates (X=F, Cl, Me, H, CN, NO2) as model Michael acceptors is described in detail.
Carolina, Giraldo   +3 more
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Organocatalytic aza‐Michael/retro‐aza‐Michael reaction: Pronounced chirality amplification in aza‐Michael reaction and racemization via retro‐aza‐Michael reaction

Chirality, 2011
AbstractA detailed experimental investigation of an aza‐Michael reaction of aniline and chalcone is presented. A series of Cinchona alkaloid‐derived organocatalysts with different functional groups were prepared and used in the aza‐Michael and retro‐aza‐Michael reaction.
Yong-Feng, Cai   +6 more
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The Michael Reaction

Journal of Chemical Education, 2002
A brief account of the Michael reaction is provided, illustrating its versatility as a topic in undergraduate chemistry courses. Included is a short biography of the reaction's namesake, examples of its use in organic synthesis, and its unique role in the defense mechanism of the bacterium Micromonospora echinospora.
Thomas Poon   +2 more
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Organocatalytic Enantioselective Michael and Hetero‐Michael Reactions

ChemInform, 2007
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Jose Vicario   +2 more
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Asymmetric Michael Reactions

ChemInform, 2001
AbstractFor Abstract see ChemInform Abstract in Full Text.
Motomu Kanai, Masakatsu Shibasaki
openaire   +1 more source

THE NEW MICHAEL REACTION

Chemistry Letters, 1974
Abstract It was found that silyl enol ethers react with α,β-unsaturated ketones and esters in the presence of TiCl4 under mild (−78°C) conditions to give 1,5-dicarbonyl compounds in good yields. Further, it was also found that 1-phenyl-1,5-hexanedione and its monoacetal were obtained by the TiCl4-promoted reaction of methyl vinyl ketone ...
Koichi Narasaka   +2 more
openaire   +1 more source

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