Quantum chemical investigation of the formation of spiroheterocyclic compounds via the (3 + 2) cycloaddition reaction of 1-methyl-3-(2,2,2-trifluoroethylidene) pyrrolidin-2-one with diazomethane and nitrone derivatives
Sign Up to like & getrecommendations! Published in 2021 at "Tetrahedron"
DOI: 10.1016/j.tet.2021.132306
Abstract: Abstract The chemo-, regio- and stereoselectivities of the formation of spiroheterocycles via the (3 + 2) cycloaddition (32CA) reaction of 1-methyl-3-(2,2,2-trifluoroethylidene) pyrrolidin-2-one (A1) derivatives with diazomethane and nitrone derivative have been studied at the M06–2X/6-311G level of… read more here.
Keywords: trifluoroethylidene pyrrolidin; reaction methyl; pyrrolidin one; nitrone ... See more keywords
NHC-Catalyzed Cascade Reaction between β-Methyl Enals and Dienones for Quick Construction of Complex Multicyclic Lactones.
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DOI: 10.1021/acs.orglett.0c00533
Abstract: A NHC-promoted cascade reaction between β-methyl enal and dienone is developed for quick access to multicyclic lactone molecules bearing quaternary chiral carbon centers. Our study constitutes the first 1,6-addition of the acylazolium vinyl enolate γ-carbon… read more here.
Keywords: cascade reaction; nhc catalyzed; reaction methyl; catalyzed cascade ... See more keywords
Some Features of Reaction of 2-Methyl-1,4-naphthoquinone with H-Phosphonium Salts Based on Diphenylphosphine
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DOI: 10.1134/s1070363219110094
Abstract: It was shown that the direction of the reaction of 2-methyl-1,4-naphthoquinone with H-phosphonium salts obtained from diphenylphosphine and trifluoromethanesulfonic or trifluoroacetic acids depends on the nature of the anion. Structure of the obtained mono- and… read more here.
Keywords: phosphonium; methyl naphthoquinone; reaction methyl; naphthoquinone phosphonium ... See more keywords