Recent advances in 8π electrocyclization reactions

L Liu, L Du, B Li - Chemical Communications, 2023 - pubs.rsc.org
Medium-ring systems, which constitute a class of structurally intriguing and biologically
important molecules, are present in many natural products and pharmaceuticals. However …

Synthesis of Polysubstituted Pyrimidines through Palladium-Catalyzed Isocyanide Insertion to 2H-Azirines

L Saeifard, K Amiri, F Rominger… - The Journal of …, 2023 - ACS Publications
The domino process of the palladium-catalyzed coupling reaction of isocyanides with 2 H-
azirine provides various tetrasubstituted pyrimidines via one C–C bond and two C–N bond …

Construction of Unique Spiro[dibenzo[a,f]azulene-6,2′-indenes] via Unprecedented Annulation of ortho-C–H Bond of Benzylidene Group

YW He, WQ Ma, Y Han, J Sun… - The Journal of Organic …, 2023 - ACS Publications
The domino reaction of alkyl and aryl isocyanides with two molecules of 2-arylidene-1, 3-
indanediones in acetonitrile at 80° C resulted in unique functionalized spiro [dibenzo [a, f] …

Synthesis of dihydrotropone derivatives using an anionic 8π-electrocyclic reaction

R Kato, T Suzuki, K Tanino - Chemical Communications, 2024 - pubs.rsc.org
A new method to synthesise functionalised cycloheptatrienes was established using the
anonic 8π-electrocyclic reaction of β-ketoester-derived dienyne substrates. The cyclised …

Anionic aza 8π-electrocyclization as an unprecedented pathway versus 7-endo-dig: DFT study on the mechanism of base-catalyzed benzofuroazepine synthesis via …

O Amiri, A Bazgir - Physical Chemistry Chemical Physics, 2024 - pubs.rsc.org
DFT calculations are used to disclose the mechanism of Brønsted base-mediated cyclization
of (2-alkynylbenzyl) oxy nitriles for the synthesis of benzofuroazepines. In 2015, the …

Decarboxylative Cyclization of Proline with o-Alkynylbenzaldehyde through an Unexploited 8π-Electrocyclization: A DFT Study

H Khosravi, S Mirzaei, S Balalaie - The Journal of Organic …, 2022 - ACS Publications
We employed density functional theory (DFT) methods to investigate the most plausible
mechanism of cyclization/ring expansion of proline with o-alkynylbenzaldehyde. This one …

Technetium-99m-labeled peptides and their applications in radio imaging: advancements in Latin American research

VF Vavsari, S Balalaie - Exploration of Drug Science, 2024 - explorationpub.com
A very new and highly specialized category of radiotracers that is still growing is
radiolabeled peptides. Radiolabeled peptides, or radiopeptides, are powerful elements for …