SO3H-functionalized mesoporous silica materials as solid acid catalyst for facile and solvent-free synthesis of 2H-indazolo[2,1-b]phthalazine-1,6,11-trione derivatives

Synthesis of 2H-Indazolo[2,1-b]Phthalazine-1,6,11(13H)-Trione Derivatives Using Wet Cyanuric Chloride under Solvent-Free Condition

(2015) Xiao Wang et al.   JOURNAL OF THE CHINESE CHEMICAL SOCIETY

A mesoporous silica/fluorinated alcohol adduct: an efficient metal-free, three-component synthesis of indazolophthalazinetrione heterocycles using a reusable nanoporous/trifluoroethanol adduct (SBA-15/TFE)

(2014) Sadegh Rostamnia et al.   TETRAHEDRON LETTERS

Magnetic Nanoparticle Immobilized N-Propylsulfamic Acid as a Recyclable and Efficient Nanocatalyst for the Synthesis of 2H-indazolo[2,1-b]phthalazine-triones in Solvent-Free Conditions: Comparison with Sulfamic Acid

(2013) Amin Rostami et al.   BULLETIN OF THE KOREAN CHEMICAL SOCIETY

One-Pot Synthesis of 2H-Indazolo[2,1-b]phthalazinetrione Catalyzed by Magnetic Room Temperature Dicationic Ionic Liquid under Solvent-Free Conditions

(2013) Bijan Mombani Godajdar et al.   HETEROCYCLES

Fe3O4@silica sulfuric acid nanoparticles: An efficient reusable nanomagnetic catalyst as potent solid acid for one-pot solvent-free synthesis of indazolo[2,1-b]phthalazine-triones and pyrazolo[1,2-b]phthalazine-diones

(2013) Ali Reza Kiasat et al.   JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL

Solvent-free, one-pot, four-component synthesis of 2H-indazolo[2,1-b]phthalazine-triones using sulfuric acid-modified PEG-6000 as a green recyclable and biodegradable polymeric catalyst

(2012) Alireza Hasaninejed et al.   CATALYSIS TODAY

Synthesis and Biological Evaluation of [1,2,4]Triazolo[3,4-a]phthalazine and Tetrazolo[5,1-a]phthalazine Derivatives Bearing Substituted Benzylpiperazine Moieties as Positive Inotropic Agents

(2012) Yan Wu et al.   Chemical Biology & Drug Design

Efficient CAN catalyzed synthesis of 1H-indazolo[1,2-b] phthalazine-1,6,11-triones: An eco-friendly protocol

(2012) Kidwai Mazaahir et al.   CHINESE SCIENCE BULLETIN

Four-component synthesis of 2H-indazolo[2,1-b]phthalazine-1,6,11(13H)-trione derivatives

(2012) Hamid Reza Shaterian et al.   COMPTES RENDUS CHIMIE

Molecular Iodine: A Versatile Catalyst for the Synthesis of 2H-indazolo[2,1-b]phthalazine-1,6,11(13H)-trione Derivatives in Ethanol

(2012) Xiao Wang et al.   E-Journal of Chemistry

Experimental and theoretical study on one-pot, three-component route to 2H-indazolo[2,1-b]phthalazine-triones catalyzed by nano-alumina sulforic acid

(2012) Ali Reza Kiasat et al.   JOURNAL OF MOLECULAR STRUCTURE

Phospho sulfonic acid: A novel and efficient solid acid catalyst for the one-pot preparation of 2H-indazolo[2,1-b]-phthalazine-triones

(2012) Reza Kiasat et al.   JOURNAL OF THE SERBIAN CHEMICAL SOCIETY

Dodecylphosphonic acid (DPA): a highly efficient catalyst for the synthesis of 2H-indazolo[2,1-b]phthalazine-triones under solvent-free conditions

(2012) Mazaahir Kidwai et al.   TETRAHEDRON LETTERS

One-pot synthesis of aliphatic and aromatic 2H-indazolo[2,1-b]phthalazine-triones catalyzed by N-halosulfonamides under solvent-free conditions

(2011) Ramin Ghorbani-Vaghei et al.   TETRAHEDRON

Applications of allylamines for the syntheses of aza-heterocycles

(2011) Somnath Nag et al.   TETRAHEDRON

Highly efficient and convenient Strecker reaction of carbonyl compounds and amines with TMSCN catalyzed by MCM-41 anchored sulfonic acid as a recoverable catalyst

(2011) Mohammad G. Dekamin et al.   TETRAHEDRON

Solvent-free sonochemical one-pot three-component synthesis of 2H-indazolo[2,1-b]phthalazine-1,6,11-triones and 1H-pyrazolo[1,2-b]phthalazine-5,10-diones

(2011) Gaurav Shukla et al.   TETRAHEDRON LETTERS

New multicomponent domino reactions (MDRs) in water: highly chemo-, regio- and stereoselective synthesis of spiro{[1,3]dioxanopyridine}-4,6-diones and pyrazolo[3,4-b]pyridines

(2010) Ning Ma et al.   GREEN CHEMISTRY

Phosphomolybdic Acid (PMA)-SiO2 as a Heterogeneous Solid Acid Catalyst for the One-Pot Synthesis of 2H-Indazolo[1,2-b]phthalazine-triones

(2010) Gowravaram Sabitha et al.   HELVETICA CHIMICA ACTA

A Straightforward Three-Component Synthesis of α-Amino Esters Containing a Phenylalanine or a Phenylglycine Scaffold

(2010) Caroline Haurena et al.   JOURNAL OF ORGANIC CHEMISTRY

Highly Enantioselective Construction of Spiro[4H-pyran-3,3′-oxindoles] Through a Domino Knoevenagel/Michael/Cyclization Sequence Catalyzed by Cupreine

(2010) Wen-Bing Chen et al.   ORGANIC LETTERS

A rapid, one-pot, four-component route to 2H-indazolo[2,1-b]phthalazine-triones

(2010) Elaheh Mosaddegh et al.   TETRAHEDRON LETTERS

Four-Component Synthesis of Fully Substituted 1,2,4-Triazoles

(2009) Steven T. Staben et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

TMSCl-mediated one-pot, three-component synthesis of 2H-indazolo[2,1-b]phthalazine-triones

(2009) Lingaiah Nagarapu et al.   JOURNAL OF HETEROCYCLIC CHEMISTRY

Efficient one-pot syntheses of 2H-indazolo[2,1-b] phthalazine-triones by catalytic H2SO4 in water–ethanol or ionic liquid

(2009) Jitender M. Khurana et al.   TETRAHEDRON LETTERS

Ultrasound-assisted one-pot, three-component synthesis of 1H-pyrazolo[1,2-b]phthalazine-5,10-diones

(2009) Mohammad Reza Nabid et al.   ULTRASONICS SONOCHEMISTRY

Ultrasound promoted rapid and green synthesis of 1,8-dioxo-octahydroxanthenes derivatives using nanosized MCM-41-SO3H as a nanoreactor, nanocatalyst in aqueous media

(2009) Shahnaz Rostamizadeh et al.   ULTRASONICS SONOCHEMISTRY

Synthesis of 1-/2-substituted-[1,2,3]triazolo[4,5-g]phthalazine-4,9-diones and evaluation of their cytotoxicity and topoisomerase II inhibition

(2008) Jin Sung Kim et al.   BIOORGANIC & MEDICINAL CHEMISTRY

One-pot, three-component route to 2H-indazolo[2,1-b]phthalazine-triones

(2008) Maryam Sayyafi et al.   TETRAHEDRON

A novel and facile synthesis of 2-(cyclohexylamino)-6,7-dihydro-3-aryl-1H-indole-4(5H)-ones via a one-pot multi-component reaction

(2008) Majid M. Heravi et al.   TETRAHEDRON LETTERS