Regioselective difunctionalization and annulation of ynamide

S Dutta, RK Mallick, AK Sahoo - … Chemie International Edition, 2023 - Wiley Online Library
The use of ynamides in organic synthesis has gained significant attention due to their ability
to provide access to complex molecular structures through transformations such as 1, 2 …

Enamine Synthesis via Regiocontrolled 6‐endodig and 5‐exodig Tethered Carboamination of Propargylic Alcohols

H Solé‐Àvila, M Puriņš, L Eichenberger… - Angewandte …, 2024 - Wiley Online Library
Enamines are versatile building blocks for the synthesis of biologically active compounds.
Nevertheless, only a limited number of strategies have been reported for preparing …

Three-component Friedel–Crafts-type difunctionalization of ynamides with (hetero) arenes and iodine (iii) electrophile

J Kikuchi, T Nagata, S Ito, N Yoshikai - Organic Chemistry Frontiers, 2024 - pubs.rsc.org
The three-component Friedel–Crafts type functionalization of an electron-rich arene using
an electrophile-activated alkyne can offer a strategy for rapidly constructing densely …

Copper-Catalyzed Regio-and Stereoselective Hydroarylation of Ynamide

A Maity, AK Sahoo - The Journal of Organic Chemistry, 2024 - ACS Publications
Presented herein is a copper-catalyzed trans-hydroarylation of ynamides. The reaction
showcases the assembly of boronic acids across the carbon–carbon triple bond of …

Regioselective syn-1, 2-hydroarylation of internal alkynes

S Dutta, M Sethi, A Maity, A Sahoo, V Gandon… - Organic Chemistry …, 2024 - pubs.rsc.org
The regioselective hydro-functionalization reaction is a powerful method to convert readily
available alkynes into structurally diverse olefins. Such an efficient syn-1, 2-hydroarylation of …

Synthetic Strategy for Unsymmetrical α-Fluoro-α′-aryl Ketones

S Dutta, A Maity, S Yang, RK Mallick, MP Gogoi… - Organic …, 2025 - ACS Publications
α-Fluoro-α′-aryl ketones are crucial in pharmaceuticals and agrochemicals. However,
synthesizing unsymmetrical α-fluoro-α′-aryl ketones poses regioselective challenges. This …

Palladium-catalyzed syn-alkynylarylation of internal alkynes: rapid access to all-carbon tetrasubstituted alkenes

R Ma, X Qiu, H Jiang, W Wu - Chemical Communications, 2024 - pubs.rsc.org
Herein, a straightforward method for rapid access to all-carbon tertrasubstituted alkenes
bearing alkyl, aryl and alkynyl groups is established via palladium-catalyzed three …

Photoredox Radical Cascade Cyclization of 2‐Alkynylarylnitriles in Visible Light: Direct Access to 3‐Amino‐1‐indenones

S Rajput, D Garg, N Jain - Advanced Synthesis & Catalysis, 2024 - Wiley Online Library
A photoinduced direct synthesis of 3‐amino‐1‐indenones via radical cascade cyclization
strategy is demonstrated. The methodology involves a domino reaction between 2 …

Two-component symmetrical diarylation of ynamides

A Sahoo, S Dutta, AK Sahoo - Organic & Biomolecular Chemistry, 2023 - pubs.rsc.org
The present study describes a method for the dicarbofunctionalization of ynamide via a
palladium-catalyzed two-component diarylation with aryl boronic acids. The reaction …

Base‐Promoted Structural Rearrangement of Ynamide and Simultaneous N‐Desulfonylation

M Reddy Mutra, TL Chandana… - … Synthesis & Catalysis, 2024 - Wiley Online Library
Herein, we describe a base‐promoted regioselective and chemoselective cascade
cyclization, ynamide N− Csp bond cleavage, selective intramolecular 1, 3‐migration, and …