Definition of Electrocyclizations. Meaning of Electrocyclizations. Synonyms of Electrocyclizations

- reactions occur frequently in nature. One of the most common such electrocyclizations is the biosynthesis of vitamin D3. The first step involves a photochemically...
- further thermally allowed sequential 6π electron and 8π electron electrocyclizations. The Nicolaou group therefore sought to synthesize endiandric acid...
- reactions, including sigmatropic reactions and cycloadditions, and electrocyclizations, can be classified as either suprafacial or antarafacial, and this...
- azomethine ylides are capable of [1,5]- and [1,7]-electrocyclizations. An example of a [1,7]-electrocyclization of a diphenylethenyl-substituted azomethine...
- yield for E-Z isomerization is very rarely greater than 0.5. 6π electrocyclizations of the Z form, leading to an additional bond between the two aryl...
- 3-butadiene (a 4π-electrocyclization) is [π4a]. The conrotatory electrocyclic ring opening of cyclobutene (a reverse 4π-electrocyclization) is [σ2a + π2s]...
- nucleophile. Its formation can otherwise be viewed as a 2-electron electrocyclization of a 1,3-dipole, which can be captured in Diels Alder reactions. The...
- rare example of a stereoselective pericyclic reaction, whereas most electrocyclizations are stereospecific. The example below uses triethylsilane to trap...
- PMID 27722705. Lee YR, Kim JH (2007). "Efficient Synthesis of Polycycles by Electrocyclizations of Substituted Trihydroxybenzenes: Synthesis of Rubranine and Deoxybruceol"...
- therefore the intermediate's formation cannot be viewed as a 2-electron electrocyclization reaction. The selectivity is similar to the Favorskii rearrangement...