Sultams: recent syntheses and applications

S Debnath, S Mondal - European Journal of Organic Chemistry, 2018 - Wiley Online Library
Sultams are very important scaffolds both in medicinal chemistry and in synthetic organic
chemistry. Very important methodologies for the asymmetric and non‐asymmetric synthesis …

Recent advances in catalytic synthesis of benzosultams

QQ Zhao, XQ Hu - Molecules, 2020 - mdpi.com
Benzosultams represent one category of multi-heteroatom heterocyclic scaffolds, which
have been frequently found in pharmaceuticals, agricultural agents, and chiral catalysts …

Cyclic hypervalent iodine reagents for azidation: safer reagents and photoredox-catalyzed ring expansion

S Alazet, J Preindl, R Simonet-Davin… - The Journal of …, 2018 - ACS Publications
Azides are building blocks of increasing importance in synthetic chemistry, chemical biology,
and materials science. Azidobenziodoxolone (ABX, Zhdankin reagent) is a valuable azide …

Nanosized CdS as a reusable photocatalyst: the study of different reaction pathways between tertiary amines and aryl sulfonyl chlorides through visible-light-induced …

S Firoozi, M Hosseini-Sarvari - The Journal of Organic Chemistry, 2021 - ACS Publications
It has been found that the final products of the reaction of sulfonyl chlorides and tertiary
amines in the presence of cadmium sulfide nanoparticles under visible light irradiation are …

Recent Advances in Alkyne Hydroamination as a Powerful Tool for the Construction of C− N Bonds

Z Tashrifi… - Asian Journal of …, 2020 - Wiley Online Library
Alkyne hydroamination reaction has attracted many researchers due to its capability to form
the required C− N bonds in the synthesis of the biologically and pharmacologically active N …

Transition-Metal-Free Tandem Cyclization/N-Arylation Reaction: A Method To Access Biaryl Sultam Derivatives via a Diradical Pathway

VH Thorat, JC Hsieh, CH Cheng - Organic Letters, 2020 - ACS Publications
A novel procedure for the transition-metal-free tandem cyclization/N-arylation reaction
sequence of an aryne with a 1, 2, 3, 4-benzothiatriazine-1, 1-dioxide is reported. This …

Novel water-soluble phosphatriazenes: versatile ligands for Suzuki–Miyaura, Sonogashira and Heck reactions of nucleosides

S Bhilare, V Gayakhe, AV Ardhapure, YS Sanghvi… - RSC …, 2016 - pubs.rsc.org
Two new water-soluble phosphatriazene ligands have been synthesized as versatile
ligands for complexation reactions with Pd (OAc) 2 and utilized for catalyzing column-free …

Palladium‐Catalyzed Tandem‐Cyclization of Functionalized Ynamides: An Approach to Benzosultams

A Siva Reddy, AL Siva Kumari, S Saha… - Advanced Synthesis …, 2016 - Wiley Online Library
A palladium‐catalyzed tandem‐cyclization of functionalized ynamides to afford a wide range
of hetero‐substituted benzosultams (1, 2‐benzothiazine 1, 1‐dioxides) has been achieved …

Nickel-Catalyzed Denitrogenative Cyclization of 1,2,3,4-Benzothiatriazin-1,1(2H)-dioxides with Arynes To Synthesize Biaryl Sultams

VH Thorat, YL Tsai, YR Huang, CH Cheng… - Organic …, 2022 - ACS Publications
Herein, we report the nickel-catalyzed denitrogenative cyclization reaction of 1, 2, 3, 4-
benzothiatriazine-1, 1-dioxides with arynes to generate the polysubstituted biaryl sultams …

CuI-catalyzed Sonogashira reaction for the efficient synthesis of 1H-imidazo [2, 1-a] isoquinoline derivatives

MY Gang, JQ Liu, XS Wang - Tetrahedron, 2017 - Elsevier
The Sonogashira reaction first, and then intra-molecular hydroamination of alkyne catalyzed
by CuI/o-phen was proved to be an efficient method for the synthesis of imidazo [2, 1-a] …