Silica gel-mediated catalyst-free and solvent-free Michael addition of 1,3-dicarbonyl compounds to highly toxic methyl vinyl ketone without volatilization
Sign Up to like & getrecommendations! Published in 2020 at "Tetrahedron Letters"
DOI: 10.1016/j.tetlet.2020.152142
Abstract: Abstract Silica gel-mediated Michael addition of 1,3-dicarbonyl compounds to methyl vinyl ketone (MVK) and ethyl vinyl ketone (EVK) was carried out to give the corresponding adducts in quite excellent yields. The reactions could be carried… read more here.
Keywords: gel mediated; michael addition; vinyl ketone; silica gel ... See more keywords
Silica gel-mediated chemical degradation of dimeric pyranonaphthoquinones into their monomeric units
Sign Up to like & getrecommendations! Published in 2023 at "New Journal of Chemistry"
DOI: 10.1039/d3nj01957h
Abstract: We present herein the chemical degradation of dimethyl uroleuconaphins A2 and B2 mediated by silica gel. The reaction promoted carbon–carbon bond cleavage of the dimeric structure, resulting in the monomeric... read more here.
Keywords: degradation dimeric; mediated chemical; chemical degradation; gel mediated ... See more keywords