Application of sulfoxonium ylide in transition-metal-catalyzed CH bond activation and functionalization reactions

A Kumar, MS Sherikar, V Hanchate, KR Prabhu - Tetrahedron, 2021 - Elsevier
Sulfoxonium ylides are carbene precursors and safer alternatives for highly reactive and
unstable diazo compounds, and they are used extensively in the field of CH activation. The …

α-Carbonyl sulfoxonium ylides in transition metal-catalyzed C–H activation: a safe carbene precursor and a weak directing group

A Singh, S Kumar, CMR Volla - Organic & Biomolecular Chemistry, 2023 - pubs.rsc.org
Transition metal-catalyzed cross-coupling of sp2 C–H bonds with diazo compounds via
carbene migratory insertion represents an efficient strategy for the construction of C–C and …

Rhodium‐Catalyzed Direct Vinylene Annulation of Sulfoxonium Ylides and N‐carbamoylindoles with Vinylene Carbonate

JL Song, L **ao, SY Chen, YC Zheng… - Advanced Synthesis …, 2023 - Wiley Online Library
In this study, Rh (III)‐catalyzed C− H bifunctionalization and direct vinylene annulation of
sulfoxonium ylides and N‐carbamoylindoles with vinylene carbonate was accomplished …

Rhodium (III)-Catalyzed C–H Activation/[5+ 2] Cascade Annulation of Aroyl Hydrazides with Iodonium Ylides for the Synthesis of Seven-Membered …

H Li, T Chen, Z Wang, Y Li, Y Lu, X **… - The Journal of Organic …, 2024 - ACS Publications
A novel Rh (III)-catalyzed C–H activation/[5+ 2] cascade annulation of aroyl hydrazides with
iodonium ylides is accomplished, in which diverse seven-membered …

Reducing-Agent-Free Convergent Synthesis of Hydroxyimino-Decorated Tetracyclic Fused Cinnolines via RhIII-Catalyzed Annulation Using Nitroolefins

P Karishma, CK Mahesha, SK Mandal… - The Journal of Organic …, 2021 - ACS Publications
A mild Rh-catalyzed method was developed for the synthesis of hydroxyimino functionalized
indazolo [1, 2-a] cinnolines and phthalazino [2, 3-a] cinnolines by reductive [4+ 2] annulation …

Advancements in Gold‐Catalyzed Cascade Reactions to Access Carbocycles and Heterocycles: An Overview

T Ghosh, S Bhakta - The Chemical Record, 2023 - Wiley Online Library
This review summarizes recent developments (from 2006 to 2022) in numerous important
and efficient carbo‐and heterocycle generations using gold‐catalyzed cascade protocols …

Synthesis of Cinnolines via Rh(III)‐Catalyzed Annulation of N‐Aryl Heterocycles with Vinylene Carbonate

S Kim, SB Choi, JY Kang, W An, SH Lee… - Asian Journal of …, 2021 - Wiley Online Library
Abstract The Rh (III)‐catalyzed C− H annulation reactions of N‐aryl indazolones or N‐aryl
phthalazinones with a vinylene carbonate is described herein. This transformation provides …

Iridium-catalyzed arylation of sulfoxonium ylides and arylboronic acids: a straightforward preparation of α-aryl ketones

B Shu, XT Wang, ZX Shen, T Che, M Zhong… - Organic Chemistry …, 2020 - pubs.rsc.org
A highly efficient iridium (III)-catalyzed arylation coupling of sulfoxonium ylides with
arylboronic acids to generate α-aryl ketones has been established for the first time. This …

Regiodivergent synthesis of cinnoline-fused indazolones through Pd-catalyzed annulation of 1-arylindazolones with allenoates

CK Mahesha, S Naharwal, ND Kharat… - The Journal of …, 2022 - ACS Publications
A tender-hearted Pd (II)-catalyzed C–H activation of 1-arylindazolones followed by an
oxidative [4+ 2] annulation reaction has been accomplished, engaging allenoates as …

Transition-metal-catalyzed C–H bond activation/functionalization and annulation of phthalazinones

C Sivaraj, A Ramkumar, N Sankaran… - Organic & Biomolecular …, 2021 - pubs.rsc.org
Phthalazinones and their higher congeners are commonly prevalent structural motifs that
occur in natural products, bioactive molecules, and pharmaceuticals. In the past few …