Recent Advances in the Application of SelectfluorTMF-TEDA-BF4 as a Versatile Mediator or Catalyst in Organic Synthesis

S Stavber - Molecules, 2011 - mdpi.com
SelectfluorTM F-TEDA-BF4 (1-chloromethyl-4-fluoro-1, 4-diazoniabicyclo [. 2.2] octane bis
(tetrafluoroborate) is not only one of the most efficient and popular reagents for electrophilic …

Synthesis of xanthene derivatives by employing Fe3O4 nanoparticles as an effective and magnetically recoverable catalyst in water

B Karami, SJ Hoseini, K Eskandari… - Catalysis Science & …, 2012 - pubs.rsc.org
An efficient and environmentally adapted synthesis of xanthene derivatives by condensation
of a wide range of aryl aldehydes and 1, 3-cyclohexanediones in water using a catalytic …

Advances in the synthesis of xanthenes: an overview

A Chaudhary, JM Khurana - Current Organic Synthesis, 2018 - ingentaconnect.com
Background: Xanthene is pharmacologically important oxygen containing heterocyclic
moeity exhibiting an array of potent biological activities like antibacterial, antiviral …

Efficient preparation of 9-aryl-1, 8-dioxo-octahydroxanthenes catalyzed by nano-TiO 2 with high recyclability

A Khazaei, AR Moosavi-Zare, Z Mohammadi, A Zare… - RSC …, 2013 - pubs.rsc.org
9-Aryl-1, 8-dioxo-octahydroxanthene derivatives are synthesized by the reaction of
arylaldehydes with dimedone (5, 5-dimethyl-1, 3-cyclohexanedione) in the presence of nano …

[Et3NH][HSO4] catalyzed efficient and green synthesis of 1, 8-dioxo-octahydroxanthenes

Z Zhou, X Deng - Journal of Molecular Catalysis A: Chemical, 2013 - Elsevier
A simple and efficient procedure for synthesis of 1, 8-dioxo-octahydroxanthenes by one-pot
condensation of aromatic aldehydes with 5, 5-dimethyl-1, 3-cyclohexanedione under solvent …

ZrO2 nanoparticles: an industrially viable, efficient and recyclable catalyst for synthesis of pharmaceutically significant xanthene derivatives

P Bansal, N Kaur, C Prakash, GR Chaudhary - Vacuum, 2018 - Elsevier
ZrO 2 nanoparticles (NPs) have been used as novel, mild and environment friendly catalyst
for an efficient one-pot synthesis of biologically active xanthene derivatives under solvent …

A novel polymeric catalyst for the one-pot synthesis of xanthene derivatives under solvent-free conditions

B Maleki, S Barzegar, Z Sepehr, M Kermanian… - Journal of the Iranian …, 2012 - Springer
A simple, efficient, and environmentally benign route was developed for the preparation of
14-aryl or alkyl-14 H-dibenzo [a, j] xanthene, 1, 8-dioxo-octahydroxanthene and 12-aryl—8 …

A facile one-pot ultrasound assisted synthesis of 1, 8-dioxo-octahydroxanthene derivatives catalyzed by Brønsted acidic ionic liquid (BAIL) under green conditions

H Naeimi, ZS Nazifi - Journal of Industrial and Engineering Chemistry, 2014 - Elsevier
A simple and efficient one-pot procedure for the synthesis of 1, 8-dioxo-octahydroxanthene
derivatives in water under ultrasound irradiation is described. These heterocycles were …

Microwave-assisted green synthesis of 1, 1-diacetates (acylals) using selectfluor™ as an environmental-friendly catalyst under solvent-free conditions

S Rezayati, R Hajinasiri, Z Erfani - Research on Chemical Intermediates, 2016 - Springer
An efficient and simple procedure has been developed for the acetylation of aldehyde by
selectfluor™[1-(chloromethyl)-4-fluoro-1, 4-diazoniabicyclo [2, 2, 2] octane bis …

Introduction of O-sulfonated poly (4-vinylpyrrolidonium) chloride as a polymeric and reusable catalyst for the synthesis of xanthene derivatives

F Shirini, PN Moghadam, S Moayedi, M Seddighi - RSC advances, 2014 - pubs.rsc.org
O-Sulfonated poly (4-vinylpyrrolidonium) chloride is prepared from the reaction of poly (4-
vinylpyrrolidone)[PVP], as a cheap and commercially available reagent, and neat …