G-quadruplexes and G-quadruplex ligands: targets and tools in antiviral therapy

E Ruggiero, SN Richter - Nucleic acids research, 2018 - academic.oup.com
Abstract G-quadruplexes (G4s) are non-canonical nucleic acids secondary structures that
form within guanine-rich strands of regulatory genomic regions. G4s have been extensively …

Excited state aromaticity and antiaromaticity: opportunities for photophysical and photochemical rationalizations

M Rosenberg, C Dahlstrand, K Kilsa… - Chemical …, 2014 - ACS Publications
Aromaticity is one of the most widely applied concepts within chemistry. It plays a major role
in the rationalization of a range of chemical properties in the electronic ground state, despite …

Photochemical reactions as key steps in organic synthesis

N Hoffmann - Chemical Reviews, 2008 - ACS Publications
Since the beginning of scientific chemistry, chemists have been interested in light as an
energy source to induce chemical reactions. 1 Absorbing light, molecules reach an …

ortho-Quinone methide (o-QM): a highly reactive, ephemeral and versatile intermediate in organic synthesis

MS Singh, A Nagaraju, N Anand, S Chowdhury - RSC advances, 2014 - pubs.rsc.org
Since its first observation in 1907, ortho-quinone methide (o-QM) has occupied a strategic
place within the framework of reactive intermediates in organic synthesis. In recent years, o …

Hydrogen peroxide inducible DNA cross-linking agents: targeted anticancer prodrugs

Y Kuang, K Balakrishnan, V Gandhi… - Journal of the American …, 2011 - ACS Publications
The major concern for anticancer chemotherapeutic agents is the host toxicity. The
development of anticancer prodrugs targeting the unique biochemical alterations in cancer …

The excited state antiaromatic benzene ring: a molecular Mr Hyde?

R Papadakis, H Ottosson - Chemical Society Reviews, 2015 - pubs.rsc.org
The antiaromatic character of benzene in its first ππ* excited triplet state (T1) was deduced
more than four decades ago by Baird using perturbation molecular orbital (PMO) theory [J …

Substituents on quinone methides strongly modulate formation and stability of their nucleophilic adducts

EE Weinert, R Dondi, S Colloredo-Melz… - Journal of the …, 2006 - ACS Publications
Electronic perturbation of quinone methides (QM) greatly influences their stability and in turn
alters the kinetics and product profile of QM reaction with deoxynucleosides. Consistent with …

The generation and reactions of quinone methides

MM Toteva, JP Richard - Advances in physical organic chemistry, 2011 - Elsevier
The combination of neutral non-aromatic and zwitterionic aromatic contributing valence
bond structures confers a distinctive chemical reactivity to quinone methides, which has …

Quinone methides tethered to naphthalene diimides as selective G-quadruplex alkylating agents

M Di Antonio, F Doria, SN Richter… - Journal of the …, 2009 - ACS Publications
We have developed novel G-quadruplex (G-4) ligand/alkylating hybrid structures, tethering
the naphthalene diimide moiety to quaternary ammonium salts of Mannich bases, as …

Recent advances in graphene oxide catalyzed organic transformations

F Gao, S Zhang, Q Lv, B Yu - Chinese Chemical Letters, 2022 - Elsevier
Graphene oxide (GO), as a metal-free and readily available carbocatalyst, has been
extensively applied in catalytic organic transformations. This minireview aims to give an …