Base-mediated hydroamination of alkynes

M Patel, RK Saunthwal, AK Verma - Accounts of chemical …, 2017 - ACS Publications
Conspectus Inter-or intramolecular hydroamination reactions are a paradigmatic example of
modern sustainable organic chemistry, as they are a catalytic, 100% atom-economical, and …

Recent advances in the synthesis of pyrido [1, 2-a] indoles

Y Yao, M Alami, A Hamze, O Provot - Organic & Biomolecular …, 2021 - pubs.rsc.org
The pyrido [1, 2-a] indole unit found in many organic compounds such as natural products,
pharmaceuticals, and materials, has intensively stimulated the research of new synthetic …

Chemoselective Synthesis of Unsymmetrical Internal Alkynes or Vinyl Sulfones via Palladium‐Catalyzed Cross‐Coupling Reaction of Sodium Sulfinates with Alkynes

Y Xu, J Zhao, X Tang, W Wu… - Advanced Synthesis & …, 2014 - Wiley Online Library
A highly efficient and mild palladium‐catalyzed cross‐coupling of sodium sulfinates and
alkynes for the selective synthesis of unsymmetrical internal alkynes and vinyl sulfones has …

Regio‐ and Z‐Selective Alkyne Hydroamination and Hydrophenoxylation using Tetrafluoro‐λ6‐Sulfanyl Alkynes under Superbasic, Naked Anion Conditions

T Aggarwal, K Hada, Y Murata, Y Sumii… - Angewandte Chemie …, 2023 - Wiley Online Library
Alkyne hydroamination is an effective approach for the production of enamines and enamine‐
containing N‐heterocycles. However, stereoselectivity control is a considerable challenge in …

Metal-and protection-free [4+ 2] cycloadditions of alkynes with azadienes: Assembly of functionalized quinolines

RK Saunthwal, M Patel, AK Verma - Organic letters, 2016 - ACS Publications
A base promoted, protection-free, and regioselective synthesis of highly functionalized
quinolines via [4+ 2] cycloaddition of azadienes (generated in situ from o-aminobenzyl …

Reactions of acetylenes in superbasic media. Recent advances

BA Trofimov, EY Schmidt - Russian Chemical Reviews, 2014 - iopscience.iop.org
The main advances in the chemistry of acetylene in superbasic media achieved over the last
five years are analyzed. Particular emphasis is placed on the ethynylation of aldehydes and …

Base-Mediated Hydroamination of Propargylamine: A Regioselective Intramolecular 5-exo-dig Cycloisomerization en Route to Imidazole-2-thione

A Ranjan, R Yerande, PB Wakchaure… - Organic …, 2014 - ACS Publications
An intramolecular transition-metal-free base-mediated hydroamination of propargylamine
with isothiocyanates has been achieved. This atom-economical, regioselective …

Synthesis of 5-Iodopyrrolo[1,2-a]quinolines and Indolo[1,2-a]quinolines via Iodine-Mediated Electrophilic and Regioselective 6-endo-dig Ring Closure

AK Verma, SP Shukla, J Singh… - The Journal of Organic …, 2011 - ACS Publications
The endo-cyclic ring closure of 1-(2-(substituted ethynyl) phenyl)-1 H-pyrroles 3a–t and 1-(2-
(substituted ethynyl) phenyl)-H-indole 4a–o mediated by Lewis acid (I2) under mild …

Regioselective synthesis of C-3-functionalized quinolines via Hetero-Diels–Alder cycloaddition of azadienes with terminal alkynes

RK Saunthwal, M Patel, AK Verma - The Journal of Organic …, 2016 - ACS Publications
A highly efficient metal and protection-free approach for the regioselective synthesis of C-3-
functionalized quinolines from azadienes (in situ generated from 2-aminobenzyl alcohol) …

Cleavage of carbon–carbon triple bond: direct transformation of alkynes to nitriles

N Okamoto, M Ishikura, R Yanada - Organic letters, 2013 - ACS Publications
Cleavage of Carbon–Carbon Triple Bond: Direct Transformation of Alkynes to Nitriles | Organic
Letters ACS ACS Publications C&EN CAS Find my institution Log In Organic Letters ACS …