Catalytic Asymmetric Cycloadditions of Silyl Nitronates Bearing α-Aryl Group.
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DOI: 10.1021/acs.orglett.7b00558
Abstract: 1,3-Dipolar cycloadditions of 2-alkylacroleins or atropaldehyde with triisopropylsilyl nitronates bearing an α-aryl group produced 3-aryl-2-isoxazolines having a chiral quaternary center in up to 94% ee and up to 88% yield with the aid of Corey's… read more here.
Keywords: aryl group; nitronates bearing; bearing aryl; group ... See more keywords
Theoretical Study of Substituent Effect in Aryl Group Migration in (para-C6H4X)Mn(CO)5 Complexes
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DOI: 10.1134/s0036023618070240
Abstract: In this study, we report substituent effect on aryl group migration in (para-C6H4X)Mn(CO)5 complexes using mpw1pw91 quantum chemical calculations. These calculations reveal good linear relationships between barrier energy (ΔE), activation energy (ΔH‡), activation free energy… read more here.
Keywords: substituent effect; c6h4x; aryl group; para c6h4x ... See more keywords