Heavy‐Atom Tunneling in Organic Reactions
In the past few years, numerous investigations have been reported on the role of heavy‐
atom tunneling in the area of pericyclic reactions, π‐bond‐shifting, and other processes …
atom tunneling in the area of pericyclic reactions, π‐bond‐shifting, and other processes …
Strategies for design of potential singlet fission chromophores utilizing a combination of ground-state and excited-state aromaticity rules
Singlet exciton fission photovoltaic technology requires chromophores with their lowest
excited states arranged so that 2 E (T1)< E (S1) and E (S1)< E (T2). Herein, qualitative …
excited states arranged so that 2 E (T1)< E (S1) and E (S1)< E (T2). Herein, qualitative …
Quantum Tunneling Instability in Pericyclic Reactions
A Frenklach, H Amlani, S Kozuch - Journal of the American …, 2024 - ACS Publications
Several cycloreversion reactions of the retro-Diels–Alder type were computationally
assessed to understand their quantum tunneling (QT) reactivity. N2, CO, and other leaving …
assessed to understand their quantum tunneling (QT) reactivity. N2, CO, and other leaving …
Switch chemistry at cryogenic conditions: quantum tunnelling under electric fields
While the influence of intramolecular electric fields is a known feature in enzymes, the use of
oriented external electric fields (EEF) to enhance or inhibit molecular reactivity is a …
oriented external electric fields (EEF) to enhance or inhibit molecular reactivity is a …
Fulvalene as a platform for the synthesis of a dimetallic dysprosocenium single-molecule magnet
The dinucleating fulvalenyl ligand [1, 1′, 3, 3′-(C5tBu2H2) 2] 2−(Fvtttt) was used to
synthesize the dimetallic dysprosocenium cation [{Dy (η5-Cp*)} 2 (μ-BH4)(η5: η5-Fvtttt)]+(3) …
synthesize the dimetallic dysprosocenium cation [{Dy (η5-Cp*)} 2 (μ-BH4)(η5: η5-Fvtttt)]+(3) …
Quantum mechanical tunnelling: the missing term to achieve sub-kJ mol− 1 barrier heights
To predict barrier heights at low temperatures, it is not enough to employ highly accurate
electronic structure methods. We discuss the influence of quantum tunnelling on the …
electronic structure methods. We discuss the influence of quantum tunnelling on the …
Tunneling by 16 carbons: planar bond shifting in [16] annulene
Midsized annulenes are known to undergo rapid π-bond shifting. Given that heavy-atom
tunneling plays a role in planar bond shifting of cyclobutadiene, we computationally …
tunneling plays a role in planar bond shifting of cyclobutadiene, we computationally …
Heavy Atom Quantum Tunnelling in N‐Heterocyclic Pentalenes
Heavy atom quantum tunnelling was already observed in several π‐bond‐shifting reactions
of antiaromatic molecules. In these, their Jahn‐Teller distortions create sharp energy profiles …
of antiaromatic molecules. In these, their Jahn‐Teller distortions create sharp energy profiles …
Computational Evidence for Tunneling and a Hidden Intermediate in the Biosynthesis of Tetrahydrocannabinol
EM Greer, V Siev, A Segal, A Greer… - Journal of the …, 2022 - ACS Publications
Quantum tunneling is computed for a reaction sequence that models the conversion of the
ortho-quinone methide of cannabigerolic acid 1 to the decarboxylated product (−)-trans-Δ9 …
ortho-quinone methide of cannabigerolic acid 1 to the decarboxylated product (−)-trans-Δ9 …
Thioxobimanes
Dioxobimanes, colloquially known as bimanes, are a well-established family of N-
heterobicyclic compounds that share a characteristic core structure, 1, 5-diazabicyclo [3.3. 0] …
heterobicyclic compounds that share a characteristic core structure, 1, 5-diazabicyclo [3.3. 0] …