[PDF][PDF] Carbon nanotube-supported butyl 1-sulfonic acid groups as a novel and environmentally compatible catalyst for the synthesis of 1, 8-dioxo-octahydroxanthenes

KP Boroujeni, Z Heidari… - Acta Chimica …, 2016 - pdfs.semanticscholar.org
A novel multiwalled carbon nanotube catalyst with–SO3H functional groups was easily
prepared from its starting materials and used as an efficient heterogeneous catalyst for one …

Synthesis of diamantane via skeletal isomerization of hydrogenated cyclohepta-1,3,5-triene dimers in ionic liquid [Et3NH]+ [Al2Cl7]

RI Aminov, RI Khusnutdinov - Russian Journal of Organic Chemistry, 2017 - Springer
Abstract Diamantane was synthesized in 91–97% yield by skeletal isomerization of a
mixture of hydrogenated cyclohepta-1, 3, 5-triene dimers, pentacyclo [8.4. 0.0 3, 7. 0 4, 14. 0 …

Synthesis and some reactions of new N-[aryl (benzyl, cyclohexyl, propyl) sulfonyl]-4-azatricyclo [5.2. 1.02, 6] dec-8-enes

LI Kas' Yan, IN Tarabara, AO Kas' Yan - Russian journal of organic …, 2003 - Springer
A synthesis was accomplished of 4-azatricyclo [5.2. 1.02, 6] dec-8-ene by aminolysis of
bicyclo [2.2. 1] hept-2-ene-endo, endo-5, 6-dicarboxylic acid anhydride followed by …

One-pot synthesis of 14H-dibenzo [a, j] xanthene and its 14-substituted derivatives

A Khoramabadi-zad, SA Akbari… - Journal of Chemical …, 2005 - journals.sagepub.com
PAPER: 04/2851 One-pot synthesis of 14H-dibenzo[a,j ]xanthene and its 14-substituted
derivatives Page 1 PAPER: 04/2851 One-pot synthesis of 14H-dibenzo[a,j ]xanthene and its …

SYNTHESIS OF 1,4,7,10-TETRA-N-ALKYL-1,4,7,10-TETRAAZA-CYCLODODECANES

T Fricke, Š Chrápavá, B Koenig - Synthetic communications, 2002 - Taylor & Francis
We report a concise method for the preparation of 1, 4, 7, 10-tetra-N-alkyl-1, 4, 7, 10-tetraaza-
cyclododecanes via deprotonation to the fourfold lithium amide followed by alkylation with …

[PDF][PDF] Novel catalytic synthesis of 6, 7-dimethoxyisatin with the use of heteropolyacids (HPAs) as acid solid catalyst

A Gharib, M Daneshtalab, J Scheeren… - Polish Journal of …, 2009 - sciendo.com
An efficient method for the preparation of 6, 7-dimethoxyisatin and its derivatives was
developed with good yield by using Preyssler-type heteropolyacid (HPA) as acid catalyst …

[HTML][HTML] A green protocol for efficient synthesis of 1, 8-dioxo-octahydroxanthenes using ionic liquid

S Makone, S Mahurkar - Green and Sustainable Chemistry, 2013 - scirp.org
A clean, simple, efficient synthesis of 1, 8-dioxo-octahydroxanthenes derivatives using ionic
liquid 1-butyl, 3-me-thylimidazolium perchlorate ([bmim] ClO4) has been developed. The …

Synthesis, Characterization, and Biological Evaluation of Novel Cyclohexenone Derivatives Incorporating Azo, Triazene, and Tetraazene Moieties

E Abdel-Galil, MM Girges, GE Said - Russian journal of general chemistry, 2022 - Springer
The new cyclohexenone derivatives have been synthesized by diazo-coupling reactions
using 3, 5-diphenylcyclohex-2-en-1-one (2) and hydrazone derivative 3 as versatile …

The reaction of aromatic aldehydes and 5, 5-dimethyl-1, 3-cyclohexanedione under solvent-free grinding conditions

TS Jin, AQ Wang, H Ma, JS Zhang, TS Li - 2006 - nopr.niscpr.res.in
The reaction of aromatic aldehyde 1 and 5, 5-dimethyl-1, 3-cyclohexanedione 2 under
solvent-free and solid state conditions has been catalyzed by KF/Al 2 O 3 or silica sulfate …

A caffeine-based ionic liquid as a novel and eco-friendly catalyst for the synthesis of 1, 8-dioxo-octahydroxanthenes under solvent-free conditions

M Salami, A Ezabadi - Research on Chemical Intermediates, 2019 - Springer
A new Brönsted acidic ionic liquid has been synthesized using caffeine and p-
toluenesulfonic acid as precursors. The IL was fully characterized by FT-IR, 1 H NMR, 13 C …