An environmentally friendly approach to the green synthesis of azo dyes in the presence of magnetic solid acid catalysts

Carboxyl and nitrite functionalized graphene quantum dots as a highly active reagent and catalyst for rapid diazotization reaction and synthesis of azo-dyes under solvent-free conditions

(2015) Hassan Valizadeh et al.   DYES AND PIGMENTS

Can be Azo Dyes Obtained by Grinding under Solvent-Free Conditions?

(2015) Nader Noroozi-Pesyan et al.   JOURNAL OF THE CHINESE CHEMICAL SOCIETY

Nano BF3·SiO2: A green heterogeneous solid acid for synthesis of formazan dyes under solvent-free condition

(2014) Abdolhamid Bamoniri et al.   JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL

Hydrophobicity-enhanced magnetic solid sulfonic acid: A simple approach to improve the mass transfer of reaction partners on the surface of the heterogeneous catalyst in water-generating reactions

(2013) Akbar Mobaraki et al.   APPLIED CATALYSIS A-GENERAL

A Magnetic Particle-Supported Sulfonic Acid Catalyst: Tuning Catalytic Activity between Homogeneous and Heterogeneous Catalysis

(2012) Nadiya Koukabi et al.   ADVANCED SYNTHESIS & CATALYSIS

One-pot fabrication of magnetically recoverable acid nanocatalyst, heteropolyacids/chitosan/Fe3O4, and its catalytic performance

(2012) Aiguo Kong et al.   APPLIED CATALYSIS A-GENERAL

Magnetic Fe3O4 Nanoparticles as Efficient and Reusable Catalyst for the Green Synthesis of 2-Amino-4H-chromene in Aqueous Media

(2012) Javad Safari et al.   BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN

A highly efficient magnetic solid acid catalyst for synthesis of 2,4,5-trisubstituted imidazoles under ultrasound irradiation

(2012) Javad Safari et al.   ULTRASONICS SONOCHEMISTRY

Silica Chloride Nano Particle Catalyzed Ring Opening of Epoxides by Aromatic Amines

(2011) Ramin Karimian et al.   CHINESE JOURNAL OF CHEMISTRY

Facile Preparation of Ionic Liquid Functionalized Magnetic Nano-Solid Acid Catalysts for Acetalization Reaction

(2010) Ping Wang et al.   CATALYSIS LETTERS

A new nitrite ionic liquid (IL-ONO) as a nitrosonium source for the efficient diazotization of aniline derivatives and in-situ synthesis of azo dyes

(2010) Hassan Valizadeh et al.   DYES AND PIGMENTS

Cellulose sulfuric acid catalyzed multicomponent reaction for efficient synthesis of 1,4-dihydropyridines via unsymmetrical Hantzsch reaction in aqueous media

(2010) Javad Safari et al.   JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL

Immobilized-metal affinity chromatography adsorbent with paramagnetism and its application in purification of histidine-tagged proteins

(2010) Guodong Feng et al.   SEPARATION AND PURIFICATION TECHNOLOGY

Rapid and efficient diazotization and diazo coupling reactions on silica sulfuric acid under solvent-free conditions

(2008) A ZAREI et al.   DYES AND PIGMENTS