Synthesis of enaminones containing diverse N,N-disubstitution via simple transamination: a study with sustainable catalyst-free operation
Sign Up to like & getrecommendations! Published in 2017 at "Research on Chemical Intermediates"
DOI: 10.1007/s11164-017-2946-z
Abstract: A systematic investigation on the synthesis of β-enaminones containing diverse N,N-disubstitution via the transamination of N,N-dimethyl amino functionalized β-enaminones and secondary amines has been conducted by employing biomass available green solvent ethyl lactate as reaction… read more here.
Keywords: diverse disubstitution; containing diverse; synthesis enaminones; disubstitution via ... See more keywords
Silver-catalyzed efficient synthesis of enaminones from propargyl alcohols and amines
Sign Up to like & getrecommendations! Published in 2017 at "Tetrahedron Letters"
DOI: 10.1016/j.tetlet.2017.09.054
Abstract: Abstract Enaminones are used as the key intermediates to construct heterocyclic compounds with various bioactivities. In this study, a simple and efficient approach for the synthesis of enaminones via amination of propargyl alcohols was developed.… read more here.
Keywords: silver catalyzed; propargyl alcohols; efficient synthesis; catalyzed efficient ... See more keywords
Copper-Catalyzed Divergent C-H Functionalization Reaction of Quinoxalin-2(1H)-ones and Alkynes Controlled by N1-Substituents for the Synthesis of (Z)-Enaminones and Furo[2,3-b]quinoxalines.
Sign Up to like & getrecommendations! Published in 2022 at "Organic letters"
DOI: 10.1021/acs.orglett.2c00454
Abstract: With control by N1-substituents, the switchable divergent C-H functionalization reaction of quinoxalin-2(1H)-ones is achieved for the synthesis of (Z)-enaminones and furo[2,3-b]quinoxalines using the combination of a copper catalyst and an oxidant. This new protocol features… read more here.
Keywords: divergent functionalization; functionalization reaction; reaction; reaction quinoxalin ... See more keywords
Decatungstate-Catalyzed Photochemical Synthesis of Enaminones from Vinyl Azides and Aldehydes.
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DOI: 10.1021/acs.orglett.2c03364
Abstract: Visible light-induced synthesis of enaminones from vinyl azides and aldehydes under decatungstate photocatalysis was developed. The reaction proceeds via acyl radical generation from aldehyde, followed by its addition to vinyl azide, nitrogen elimination, hydrogen atom… read more here.
Keywords: azides aldehydes; photochemical synthesis; enaminones vinyl; vinyl azides ... See more keywords