Electrochemically enabled oxidative aromatization of pyrazolines

S Hofmann, M Linden, J Neuner, FN Weber… - Organic & …, 2023 - pubs.rsc.org
Pyrazoles are a very important structural motif widely found in pharmaceuticals and
agrochemicals. An electrochemically enabled approach for the sustainable synthesis of …

Trichloroisocyanuric acid mediated one-pot synthesis of 3,5-diarylisoxazoles from α,β-unsaturated ketones

A Bhatt, RK Singh, R Kant - Synthetic Communications, 2019 - Taylor & Francis
A facile one-pot synthesis of 3, 5-diarylisoxazoles from α, β-unsaturated ketones and
hydroxylamine hydrochloride is reported. The reaction is efficiently promoted by …

Organocatalytic sulfoxidation

SC Davidson, G dos Passos Gomes, LR Kuhn… - Tetrahedron, 2021 - Elsevier
Abstract Treatment of a sulfide with a catalytic amount of a 1, 3-diketone in the presence of
silica sulfuric acid as a co-catalyst and hydrogen peroxide (50% aq) as the stoichiometric …

Heteropoly acid/NaY zeolite as a reusable solid catalyst for highly efficient synthesis of gem-dihydroperoxides and 1, 2, 4, 5-tetraoxanes

K Khosravi, M Zendehdel, S Naserifar… - Journal of Chemical …, 2016 - journals.sagepub.com
gem-Dihydroperoxides and 1, 2, 4, 5-tetraoxanes were synthesised from aldehydes and
ketones catalysed by heteropoly acid/NaY zeolite (HPA/NaY) as a new, effective and …

Oxidative aromatization of pyrazolines

I Casadia, DY de Albuquerque… - Current Organic …, 2017 - ingentaconnect.com
Background: Pyrazole derivatives have remained a much studied class of heterocyclic
compounds with application in several scientific areas such as agrochemicals …

Mild oxidative aromatization of 1, 4-dihydropyridines with trans-3, 5-dihydroperoxy-3, 5-dimethyl-1, 2-dioxalane promoted by ammonium bromide/HOAc in water …

K Khosravi - Cogent Chemistry, 2015 - Taylor & Francis
Abstract Trans-3, 5-dihydroperoxy-3, 5-dimethyl-1, 2-dioxalane (DHPDMDO)/NH4Br/HOAc
has been used as a new and effective oxidant for oxidative aromatization of 1, 4 …

1, 3-dioxoles and 1, 3-oxathioles

RA Aitken - … heterocyclic chemistry IV: a review of …, 2021 - research-portal.st-andrews.ac.uk
Developments in the chemistry of five-membered ring heterocycles containing two non-
adjacent oxygens or one oxygen and one sulfur in the period 2008–2020 are reviewed …

Facile epoxidation of α, β-unsaturated ketones with urea-2,2-dihydroperoxypropane as a new oxidant

K Khosravi, S Naserifar - Journal of the Iranian Chemical Society, 2017 - Springer
Various aromatic α, β-unsaturated ketones were successfully transformed into their
corresponding epoxides using urea-2, 2-dihydroperoxypropane as the oxygen source for …

1, 1, 2, 2-Tetrahydroperoxy-1, 2-diphenylethane as new oxidant for chemoselective and catalyst free oxidation of sulfides to sulfoxides and sulfones

K Khosravi, S Naserifar, B Mahmoudi… - Phosphorus, Sulfur, and …, 2017 - Taylor & Francis
ABSTRACT A catalyst free and chemoselective oxidation of sulfides to sulfoxides or sulfones
was developed using 1, 1, 2, 2-tetrahydroperoxy-1, 2-diphenylethane as a new oxidant. This …

Solvent‐and Metal‐free Oxidative Esterification of Aromatic Aldehydes Using Urea‐2, 2‐dihydroperoxypropane as a New Solid Oxidant

K Khosravi, K Khalaji, S Naserifar - Journal of the Chinese …, 2017 - Wiley Online Library
Urea‐2, 2‐dihydroperoxypropane as a noble and solid gem‐dihydroperoxide derivative was
used to transform various aromatic aldehydes to their corresponding benzoate derivatives in …