Topic
1,3-Dipolar cycloaddition
About: 1,3-Dipolar cycloaddition is a research topic. Over the lifetime, 5560 publications have been published within this topic receiving 98615 citations.
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24 Oct 2011
TL;DR: In this article, the authors proposed an anti-selective isomerization method for cycloaddition of silyl ketene acetals to CX and aldehydes to CO.
Abstract: This article has no abstract
Keywords:
enantioselective isomerization;
4-substituted butenolides;
chiral sulfoxides;
α, α-disubstituted amines;
mukaiyama aldol reaction;
2-(α-hydroxyalkyl)-1,3-butadienes;
(R)1-phenylpropanol;
homoallylic alcohols;
propargylic alcohols;
α-acyloxy ketones;
chiral sulfoxides;
addition of silyl ketene acetals to CX;
diels-alder reactions;
alkylations;
aldol reactions;
cyclization;
addition to aldehydes;
1,3-dipolar cycloaddition;
addition to CO;
α-cyanohydrin derivatives;
cycloaddition;
opening of aziridines;
addition to CO;
cycloaddition
TL;DR: The 1,3-Dipolar cycloaddition reaction of aromatic nitrones with 3-alkenoyl-2-oxazolidinones in the presence of chiral 2,6-bis(4 R -trialkylsiloxymethyloxazolinyl)pyridine/Ni(II) system proceeds smoothly with high enantioselectivity in up to 99% ee.
Abstract: 1,3-Dipolar cycloaddition reaction of aromatic nitrones with 3-alkenoyl-2-oxazolidinones in the presence of chiral 2,6-bis(4 R -trialkylsiloxymethyloxazolinyl)pyridine/Ni(II) system proceeds smoothly with high enantioselectivity in up to 99% ee.