Recent advances in transition-metal-free direct C–C and C–heteroatom bond forming reactions

VP Mehta, B Punji - RSC advances, 2013 - pubs.rsc.org
The efficient generation of biaryl compounds and heterocycles via the advent of the
transition-metal-free coupling reaction constitutes an important development in the last few …

Dimethyl Sulfoxide/Potassium Hydroxide: A Superbase for the Transition Metal‐Free Preparation of Cross‐Coupling Products

Y Yuan, I Thome, SH Kim, D Chen… - Advanced Synthesis …, 2010 - Wiley Online Library
Potassium hydroxide (KOH) in dimethyl sulfoxide (DMSO) forms a superbasic medium that
allows one to access cross‐coupling products from reactions between aryl halides with …

One-Pot Synthesis of Amine-Substituted Aryl Sulfides and Benzo[b]thiophene Derivatives

Z Duan, S Ranjit, X Liu - Organic letters, 2010 - ACS Publications
A series of amine-substituted aryl sulfides have been synthesized from nitroaryl halides via a
simple one-pot procedure involving metal-free C− S cross-coupling and in situ nitro group …

Cesium salts in organic synthesis: A Review

R Varala, KS Rao - Current Organic Chemistry, 2015 - ingentaconnect.com
The excellent advantages of cesium such as short reaction times, small amount of reagent
used, high yields of the products, milder reaction conditions, and easy work-up procedures …

Transition-metal-free acid-mediated synthesis of aryl sulfides from thiols and thioethers

AM Wagner, MS Sanford - The Journal of organic chemistry, 2014 - ACS Publications
Transition-Metal-Free Acid-Mediated Synthesis of Aryl Sulfides from Thiols and Thioethers |
The Journal of Organic Chemistry ACS ACS Publications C&EN CAS Find my institution …

Microwave-assisted ullmann C− S bond formation: synthesis of the P38α MAPK clinical candidate VX-745

MC Bagley, T Davis, MC Dix, V Fusillo… - The Journal of …, 2009 - ACS Publications
Microwave irradiation promotes the rapid and efficient reaction of a thiophenol and aryl or
heteroaryl halide using a copper or palladium catalyst and a range of ligands, depending …

Potassium tert-butoxide-mediated synthesis of unsymmetrical diaryl ethers, sulfides and selenides from aryl bromides

A Kumar, BS Bhakuni, CD Prasad, S Kumar, S Kumar - Tetrahedron, 2013 - Elsevier
Potassium tert-butoxide mediated carbon–chalcogen C–E (E= O, S and Se) coupling
reaction has been studied from aryl bromide and phenol/aryl disulfide/diselenide substrates …

Ceric ammonium nitrate catalyzed aza-Michael addition of aliphatic amines to α, β-unsaturated carbonyl compounds and nitriles in water

R Varala, N Sreelatha, SR Adapa - Synlett, 2006 - thieme-connect.com
Abstract Ceric ammonium nitrate (3 mol%) efficiently catalyzes the aza-Michael reaction of
amines with α, β-unsaturated carbonyl compounds in water to produce the corresponding β …

Cross-coupling reaction of organoalane reagents with 2-mercaptobenzo-5-membered heterocycles for efficient synthesis of benzo-5-membered heterocycle sulfides

RQ Luo, SP Guo, HL **ao, QH Li - Tetrahedron, 2022 - Elsevier
A highly efficient and simple route for the synthesis of benzo-5-membered heterocycles
sulfides has been developed by the cross-coupling reaction of 2-mercaptobenzo-5 …

Stereo-recognizing transformation of (E)-alkenyl halides into sulfides catalyzed by nickel (0) triethyl phosphite complex

Y Yatsumonji, O Okada, A Tsubouchi, T Takeda - Tetrahedron, 2006 - Elsevier
(E)-Alkenyl halides were transformed into (E)-alkenyl sulfides by the nickel (0) triethyl
phosphite complex-catalyzed reaction with thiols, whereas (Z)-alkenyl halides gave alkynes …