Matches in SemOpenAlex for { <https://semopenalex.org/work/W2313303662> ?p ?o ?g. }
- W2313303662 endingPage "1124" @default.
- W2313303662 startingPage "1113" @default.
- W2313303662 abstract "The N-heterocyclic carbene catalyzed (4 + 2) cycloaddition between α,β-unsaturated acid fluorides and TMS dienol ethers provides cyclohexene fused β-lactone intermediates stable below −20 °C. These can be intercepted reductively or with organolithium reagents to produce diastereomerically pure cyclohexenes (>20:1 dr) with up to four contiguous stereocenters. The mechanism has been investigated using theoretical calculations and by examining secondary kinetic isotope effects. Together these studies implicate the formation of a diastereomerically pure β-lactone intermediate by a stepwise (4 + 2) cycloaddition involving Michael addition, aldol cyclization, and lactonization." @default.
- W2313303662 created "2016-06-24" @default.
- W2313303662 creator A5006430396 @default.
- W2313303662 creator A5008812521 @default.
- W2313303662 creator A5045764159 @default.
- W2313303662 creator A5067989556 @default.
- W2313303662 date "2012-01-06" @default.
- W2313303662 modified "2023-10-07" @default.
- W2313303662 title "Synthetic and Quantum Mechanical Studies into the <i>N-</i>Heterocyclic Carbene Catalyzed (4 + 2) Cycloaddition" @default.
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