Tetradehydro-Diels–Alder reactions of flexible arylalkynes via folding inside a molecular cage

GR Genov, H Takezawa, H Hayakawa… - Journal of the American …, 2023 - ACS Publications
The tetradehydro-Diels–Alder (TDDA) reaction is a useful transformation for the rapid
assembly of polycyclic scaffolds from simple linear precursors in a single synthetic step …

Laser desorption ionization mass spectrometry: Recent progress in matrix‐free and label‐assisted techniques

A Mandal, M Singha, PS Addy… - Mass spectrometry …, 2019 - Wiley Online Library
The MALDI‐based mass spectrometry, over the last three decades, has become an
important analytical tool. It is a gentle ionization technique, usually applicable to detect and …

Cyclization reactions for the synthesis of phthalans and isoindolines

G Albano, LA Aronica - Synthesis, 2018 - thieme-connect.com
Oxygen and nitrogen heterocycles are present in a vast number of natural substrates and
biologically active molecules. In particular, phthalan and isoindoline subunits are found in …

A facile synthetic strategy to polysiloxanes containing sulfonyl side groups with high dielectric permittivity

SJ Dünki, E Cuervo-Reyes, DM Opris - Polymer Chemistry, 2017 - pubs.rsc.org
The chemical modification of polymers with lateral polar groups increases their dielectric
permittivity above the glass transition temperature, making them attractive materials for …

Nanomolar level detection of explosive and pollutant TNP by fluorescent aryl naphthalene sulfones: DFT study, in vitro detection and portable prototype fabrication

P Ghosh, J Das, A Basak, SK Mukhopadhyay… - Sensors and Actuators B …, 2017 - Elsevier
Abstract Luminescent Aryl Naphthalene Sulfones have been prepared via Garratt-
Braverman cyclization of γ-substituted bis-propargyl sulfones for explosive and pollutant 2 …

[HTML][HTML] Cobalt and iron metallates as catalysts for cyclization reactions of diynes and triynes:[2+ 2+ 2] Cycloaddition vs. Garratt-Braverman reaction

BN Baumann, H Lange, F Seeberger… - Molecular …, 2023 - Elsevier
Highly reduced anthracene and naphthalene cobaltates and ferrates catalyze the cyclization
of diynes and triynes, furnishing expected [2+ 2+ 2] cycloaddition products as well as …

Double SO2 Insertion into 1,7-Diynes Leading to Functionalized Naphtho[1,2-c]thiophene 2,2-dioxides

AF Wang, WJ Hao, YL Zhu, G Li, P Zhou, SJ Tu… - ACS …, 2018 - ACS Publications
A novel metal-free double SO2 insertion/multicomponent bicyclization cascade of benzene-
linked 1, 7-diynes has been established by treatment with aryldiazonium tetrafluoroborates …

Recent advances in phthalan and coumaran chemistry

E Ilya, L Kulikova, EV Van der Eycken… - …, 2018 - Wiley Online Library
Oxygen‐containing heterocycles are common in biologically active compounds. In
particular, phthalan and coumaran cores are found in pharmaceuticals, organic electronics …

Effect of substituent on the mechanism and chemoselectivity of the gold (I)-catalyzed propargyl ester tandem cyclization

Y Li, AM Kirillov, R Fang, L Yang - Organometallics, 2017 - ACS Publications
This study reports a detailed theoretical analysis of the mechanisms and chemoselectivity for
the formation of benzo [b] fluorenes or benzofulvenes from propargyl esters catalyzed by an …

Recent advances in Garratt-Braverman cyclization: Mechanistic and synthetic explorations

P Bhattacharya, M Singha, E Das, A Mandal, M Maji… - Tetrahedron …, 2018 - Elsevier
Garratt-Braverman cyclization has emerged as one of the simplest synthetic tool to construct
two consecutive Csingle bondC bonds leading to the formation of various important …