Divergent gold catalysis: unlocking molecular diversity through catalyst control

CC Chintawar, AK Yadav, A Kumar… - Chemical …, 2021 - ACS Publications
The catalyst-directed divergent synthesis, commonly termed as “divergent catalysis”, has
emerged as a promising technique as it allows chartering of structurally distinct products …

[HTML][HTML] Not only hydrogen bonds: Other noncovalent interactions

I Alkorta, J Elguero, A Frontera - Crystals, 2020 - mdpi.com
In this review, we provide a consistent description of noncovalent interactions, covering most
groups of the Periodic Table. Different types of bonds are discussed using their trivial …

[HTML][HTML] Gold (I)-catalyzed activation of alkynes for the construction of molecular complexity

R Dorel, AM Echavarren - Chemical reviews, 2015 - ACS Publications
For centuries, gold had been considered a precious, purely decorative inert metal. It was not
until 1986 that Ito and Hayashi described the first application of gold (I) in homogeneous …

Stronger Brønsted acids: recent progress

T Akiyama, K Mori - Chemical reviews, 2015 - ACS Publications
In contrast to Lewis-acid catalysts, Brønsted acids have been employed primarily as
catalysts for the formation and cleavage of C− O bonds, such as hydrolysis and formation of …

Catalysis by supported gold nanoparticles: beyond aerobic oxidative processes

M Stratakis, H Garcia - Chemical Reviews, 2012 - ACS Publications
1. INTRODUCTION Bulk gold, being the most stable among all metals, was for many years
considered as an inert catalyst. However, gold particles with size on the scale of nanometers …

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 …

Gold-catalyzed cyclization reactions of allenol and alkynol derivatives

B Alcaide, P Almendros - Accounts of Chemical research, 2014 - ACS Publications
Although gold is chemically inert as a bulk metal, the landmark discovery that gold
nanoparticles can be effective catalysts has opened up new and exciting research …

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 …

Copper-catalyzed carboarylation of alkynes via vinyl cations

AJ Walkinshaw, W Xu, MG Suero… - Journal of the American …, 2013 - ACS Publications
Copper-catalyzed arylation of electron rich alkynes reveals stabilized trisubstituted vinyl
cation equivalents that react with pendant arene nucleophiles to form all carbon …

Synthesis of pyrazoles via electrophilic cyclization

M Zora, A Kivrak, C Yazici - The Journal of Organic Chemistry, 2011 - ACS Publications
Electrophilic cyclizations of α, β-alkynic hydrazones by molecular iodine were investigated
for the synthesis of 4-iodopyrazoles. α, β-Alkynic hydrazones were readily prepared by the …