Copper-free Sonogashira cross-coupling reactions: an overview

F Mohajer, MM Heravi, V Zadsirjan… - RSC advances, 2021 - pubs.rsc.org
The Sonogashira reaction is a cross-coupling reaction of a vinyl or aryl halide with a terminal
alkyne to form a C–C bond. In its original form, the Sonogashira reaction is performed with a …

The Sonogashira reaction: a booming methodology in synthetic organic chemistry

R Chinchilla, C Nájera - Chemical reviews, 2007 - ACS Publications
The array of transition-metal-catalyzed cross-coupling reactions can easily be considered
nowadays cornerstones in the field of organic synthesis. 1, 2 Among them, the palladium …

Synthesis of heterocycles via electrophilic cyclization of alkynes containing heteroatom

B Godoi, RF Schumacher, G Zeni - Chemical Reviews, 2011 - ACS Publications
The interest in synthesizing heterocycles has always been enormous. The literature contains
a variety of synthetic approaches to the heterocycle ring structures, much of which has been …

Phthalides and phthalans: synthetic methodologies and their applications in the total synthesis

R Karmakar, P Pahari, D Mal - Chemical Reviews, 2014 - ACS Publications
Small molecule natural products have been the mainstay of research in organic chemistry
since its early development. 1a The established classes of natural products, like alkaloids …

Rhodium-and iridium-catalyzed oxidative coupling of benzoic acids with alkynes via regioselective C− H bond cleavage

K Ueura, T Satoh, M Miura - The Journal of Organic Chemistry, 2007 - ACS Publications
The oxidative coupling of benzoic acids with internal alkynes effectively proceeds in the
presence of [Cp* RhCl2] 2 and Cu (OAc) 2⊙ H2O as catalyst and oxidant, respectively, to …

Natural and synthetic 2H-pyran-2-ones and their versatility in organic synthesis

A Goel, VJ Ram - Tetrahedron, 2009 - Elsevier
The pyran ring system is widely present in the animal and plant kingdom and possesses
diverse pharmacological activities. Pyran is a six-membered oxygen heterocycle with two …

Converting homogeneous to heterogeneous in electrophilic catalysis using monodisperse metal nanoparticles

CA Witham, W Huang, CK Tsung, JN Kuhn… - Nature Chemistry, 2010 - nature.com
A continuing goal in catalysis is to unite the advantages of homogeneous and
heterogeneous catalytic processes. To this end, nanoparticles represent a new frontier in …

Visible light-enabled iron-catalyzed selenocyclization of N-methoxy-2-alkynylbenzamide

R Wang, H Xie, X Lai, JB Liu, J Li, G Qiu - Molecular Catalysis, 2021 - Elsevier
A facile iron-catalyzed selenocyclization of N-methoxy-2-alkynylbenzamides enabled by
visible-light irradiation is described. FeBr 3 is used as the catalyst for the reaction between N …

Iodine-mediated synthesis of heterocycles via electrophilic cyclization of alkynes

T Aggarwal, S Kumar, AK Verma - Organic & biomolecular chemistry, 2016 - pubs.rsc.org
Iodine has been recognized as an efficient, non-toxic, readily available and easy-to-handle
electrophilic reagent to favour halocyclization reactions for the synthesis of novel …

Synthetic use of molecular iodine for organic synthesis

H Togo, S Iida - Synlett, 2006 - thieme-connect.com
The synthetic use of molecular iodine is described. Iodine is a universal oxidizing agent,
especially for the oxidation of alcohols and aldehydes to esters, nitriles and amides. Further …