Palladium-Catalyzed Synthesis of Substituted Phenanthrenes via a C–H Annulation of 2-Biaryl Triflates with Alkynes

M Prabhakaran, K Parthasarathy - The Journal of Organic …, 2024 - ACS Publications
A new palladium-catalyzed efficient method for the synthesis of substituted 9, 10-
phenanthrenes from 2-biaryl triflates with alkynes has been developed. This method …

Cascade [4 + 1] Annulation through Activation of the C(sp2)–H Bond Enabling Benzothiadiazinoisoindolcarboxylate, Benzothiadiazinoisoindole, and …

A Sarkar, RD Mandal, N Chakraborty… - The Journal of Organic …, 2024 - ACS Publications
Two structurally distinct and biologically privileged succinimide and isoindole heteroarenes
bearing benzothiadiazinedioxide motif-centered hybrid conjugates are proficiently achieved …

Ruthenium-catalyzed Heck coupling of 3-arylidene-oxindoles with alkenes: a facile synthesis of 3-allylidene-2 (3 H)-oxindoles

M Prabhakaran, R Sanjana… - Organic & Biomolecular …, 2024 - pubs.rsc.org
A simple and efficient Ru (II)-catalyzed olefination of 3-(arylbenzylidene) indolin-2-ones with
alkenes is described. This is an atom and step-economical strategy with a wide substrate …

Efficient Synthesis of Highly Fused Quinazolinone Derivatives via Multiple C− C Bond Formations and 1, 4‐Palladium Migration

S Thavaselvan, N Arumugam… - European Journal of …, 2024 - Wiley Online Library
An efficient palladium‐catalyzed annulation of 3‐arylquinazolinones with mono and double
alkyne insertion was developed for the synthesis of fused quinazolinone derivatives in 43 …

Synthesis and molecular docking studies of novel tricyclic and angular tetracyclic benzothiadiazines via sp3‐C‐H activation as potential colon cancer inhibitors

SO Kolade, OS Aina, AT Gordon… - Journal of …, 2023 - Wiley Online Library
This paper describes the synthesis of tricyclic and tetracyclic benzothiadiazines and their
derivatives, which are known for their versatility as bioactive agents. The starting materials …

Rh(III)‐Catalyzed C−H Annulation of 3‐Aryl‐2H‐benzo[e][1,2,4]thiadiazine‐1,1‐dioxides with Vinylene Carbonates

C Ittamalla, DY Chary… - European Journal of …, 2024 - Wiley Online Library
A novel method has been developed for the synthesis of fused dihydroisoquinoline
frameworks through a Rh (III)‐catalyzed annulation of 3‐aryl‐2H‐benzo [e][1, 2, 4] …

Ruthenium‐Catalyzed Synthesis of Macrocyclic Isoquinolines and Isoquinolones via a C− H/N− H Annulations Reaction

P Gurumurthy, R Raja, N Arumugam… - …, 2023 - Wiley Online Library
Abstract An Ru (II)‐catalyzed C− H annulations of oximes and N‐methoxybenzamides with
bridged alkyne is described. This method is useful for the efficient synthesis of various …

Sodium Trifluoroacetate mediated Copper-Catalyzed aza-Michael addition of α, β-unsaturated olefins with aromatic amines

SE Masaeli, M Teimouri, B Adhikari, M Attarroshan… - Tetrahedron letters, 2023 - Elsevier
We present a sodium trifluoroacetate (CF 3 CO 2 Na) mediated copper-catalyzed aza-
Michael addition of aromatic amines with activated olefins under mild, aqueous reaction …