Tris-hydroxymethylaminomethane (THAM): a novel organocatalyst for a environmentally benign synthesis of medicinally important tetrahydrobenzo[b]pyrans and pyran-annulated heterocycles

A Novel and Efficient Catalyst to One-Pot Synthesis of 2-Amino-4H-Chromenes by Methanesulfonic Acid

(2015) Majid M. Heravi et al.   JOURNAL OF THE CHINESE CHEMICAL SOCIETY

Small Heterocycles in Multicomponent Reactions

(2014) Benjamin H. Rotstein et al.   CHEMICAL REVIEWS

Highly efficient organocatalytic synthesis of diverse and densely functionalized 2-amino-3-cyano-4H-pyrans under mechanochemical ball milling

(2014) Mohammad G. Dekamin et al.   GREEN CHEMISTRY

Activity of 4-arylchromene derivatives as apoptosis inductors and potential anticancer drugs

(2014) I. G. Tsygankova et al.   RUSSIAN JOURNAL OF GENERAL CHEMISTRY

Synthesis of pyranopyrazoles using magnetic Fe3O4 nanoparticles as efficient and reusable catalyst

(2014) Mahmoud. Abd El Aleem. Ali. Ali. El-Remaily   TETRAHEDRON

Nickel ferrite nanoparticles–hydrogen peroxide: a green catalyst-oxidant combination in chemoselective oxidation of thiols to disulfides and sulfides to sulfoxides

(2014) Aparna M. Kulkarni et al.   RSC Advances

Cellulose supported cuprous iodide nanoparticles (Cell-CuI NPs): a new heterogeneous and recyclable catalyst for the one pot synthesis of 1,4-disubstituted – 1,2,3-triazoles in water

(2014) Pramod V. Chavan et al.   RSC Advances

Synthesis of novel 2-amino-4-(5′-substituted 2′-phenyl-1H-indol-3′-yl)-6-aryl-4H-pyran-3-carbonitrile derivatives as antimicrobial and antioxidant agents

(2013) Anand R. Saundane et al.   BIOORGANIC & MEDICINAL CHEMISTRY LETTERS

Novel magnetic nanoparticles Fe3O4-immobilized domino Knoevenagel condensation, Michael addition, and cyclization catalyst

(2013) Amin Rostami et al.   CATALYSIS COMMUNICATIONS

Diethylamine: A smart organocatalyst in eco-safe and diastereoselective synthesis of medicinally privileged 2-amino-4H-chromenes at ambient temperature

(2013) Makarand A. Kulkarni et al.   COMPTES RENDUS CHIMIE

Nanozeolite clinoptilolite as a highly efficient heterogeneous catalyst for the synthesis of various 2-amino-4H-chromene derivatives in aqueous media

(2013) Seyed Meysam Baghbanian et al.   GREEN CHEMISTRY

Electrocatalytic Fast and Efficient Multicomponent Approach to Medicinally Relevant Pyrano[3,2-c]quinolone Scaffold

(2013) M. N. Elinson et al.   JOURNAL OF THE ELECTROCHEMICAL SOCIETY

Meglumine promoted one-pot, four-component synthesis of pyranopyrazole derivatives

(2013) Rui-Yun Guo et al.   TETRAHEDRON

Meglumine: A Novel and Efficient Catalyst for One-Pot, Three-Component Combinatorial Synthesis of Functionalized 2-Amino-4H-pyrans

(2013) Rui-Yun Guo et al.   ACS Combinatorial Science

Ethylenediammonium diformate (EDDF) in PEG600: an efficient ambiphilic novel catalytic system for the one-pot synthesis of 4H-pyrans via Knoevenagel condensation

(2013) Anuj Thakur et al.   RSC Advances

Ion conducting cholesterol appended pyridinium bisamide-based gel for the selective detection of Ag+and Cl−ions

(2013) Kumaresh Ghosh et al.   RSC Advances

Amberlyst A21 Catalyzed Chromatography-Free Method for Multicomponent Synthesis of Dihydropyrano[2,3-c]pyrazoles in Ethanol

(2013) Manisha Bihani et al.   ACS Sustainable Chemistry & Engineering

Facile and One-Pot Access to Diverse and Densely Functionalized 2-Amino-3-cyano-4H-pyrans and Pyran-Annulated Heterocyclic Scaffolds via an Eco-Friendly Multicomponent Reaction at Room Temperature Using Urea as a Novel Organo-Catalyst

(2013) Goutam Brahmachari et al.   ACS Sustainable Chemistry & Engineering

Ru(II) complexes bearing tertiary phosphine ligands: a novel and efficient homogeneous catalyst for one-pot synthesis of dihydropyrano[3,2-c]chromene and tetrahydrobenzo[b]pyran derivatives

(2012) Khalil Tabatabaeian et al.   APPLIED ORGANOMETALLIC CHEMISTRY

Anti-proliferative and apoptotic effects of the derivatives from 4-aryl-4H-chromene family on human leukemia K562 cells

(2012) Hassan Aryapour et al.   ARCHIVES OF PHARMACAL RESEARCH

New substituted 4H-chromenes as anticancer agents

(2012) Shivaputra A. Patil et al.   BIOORGANIC & MEDICINAL CHEMISTRY LETTERS

Eco-friendly synthesis and biological evaluation of substituted pyrano[2,3-c]pyrazoles

(2012) Santhosh Reddy Mandha et al.   BIOORGANIC & MEDICINAL CHEMISTRY LETTERS

Recent developments in asymmetric multicomponent reactions

(2012) Corien de Graaff et al.   CHEMICAL SOCIETY REVIEWS

Green Chemistry: present and future

(2012) Chao-Jun Li et al.   CHEMICAL SOCIETY REVIEWS

A practical and highly efficient protocol for multicomponent synthesis of β-phosphonomalononitriles and 2-amino-4H-chromen-4-yl phosphonates using diethylamine as a novel organocatalyst

(2012) M.A. Kulkarni et al.   COMPTES RENDUS CHIMIE

Mechanistic approach for expeditious and solvent-free synthesis of α-hydroxy phosphonates using potassium phosphate as catalyst

(2012) Makarand A. Kulkarni et al.   COMPTES RENDUS CHIMIE

Multicomponent reactions in unconventional solvents: state of the art

(2012) Yanlong Gu   GREEN CHEMISTRY

An Efficient Four-Component, One-Pot Synthesis of 6-Amino-4-Aryl-3- Methyl-2,4-Dihydropyrano[2,3-C]Pyrazole-5-Carbonitriles Under Phase- Transfer Catalyst

(2012) Keyume Ablajan et al.   LETTERS IN ORGANIC CHEMISTRY

Green approach towards the facile synthesis of dihydropyrano(c)chromene and pyrano[2,3-d]pyrimidine derivatives and their biological evaluation

(2012) Pradeep K. Paliwal et al.   MEDICINAL CHEMISTRY RESEARCH

Electrochemically induced chain reactions in organic synthesis

(2012) Alexey I Ilovaisky et al.   RUSSIAN CHEMICAL REVIEWS

CTACl as Catalyst for Four-Component, One-Pot Synthesis of Pyranopyrazole Derivatives in Aqueous Medium

(2012) Mingshu Wu et al.   SYNTHETIC COMMUNICATIONS

Potassium phthalimide-N-oxyl: a novel, efficient, and simple organocatalyst for the one-pot three-component synthesis of various 2-amino-4H-chromene derivatives in water

(2012) Mohammad G. Dekamin et al.   TETRAHEDRON

Synthesis of new chromeno-annulated cis-fused pyrano[3,4-c]pyran derivatives via domino Knoevenagel–hetero-Diels–Alder reactions and their biological evaluation towards antiproliferative activity

(2012) A. Venkatesham et al.   MedChemComm

Recent developments in solvent-free multicomponent reactions: a perfect synergy for eco-compatible organic synthesis

(2012) Maya Shankar Singh et al.   RSC Advances

Synthesis and Antimicrobial Evaluation of New Pyrano[4,3-b]pyran and Pyrano[3,2-c]chromene Derivatives Bearing a 2-Thiophenoxyquinoline Nucleus

(2011) Jigar A. Makawana et al.   ARCHIV DER PHARMAZIE

QSAR Study of 4-Aryl-4H-Chromenes as a New Series of Apoptosis Inducers Using Different Chemometric Tools

(2011) Mehdi Khoshneviszadeh et al.   Chemical Biology & Drug Design

One-pot three-component reaction for the synthesis of pyran annulated heterocyclic compounds using DMAP as a catalyst

(2011) Abu T. Khan et al.   TETRAHEDRON LETTERS

A green one-pot multicomponent synthesis of 4H-pyrans and polysubstituted aniline derivatives of biological, pharmacological, and optical applications using silica nanoparticles as reusable catalyst

(2011) Subhash Banerjee et al.   TETRAHEDRON LETTERS

γ-Alumina as a recyclable catalyst for the four-component synthesis of 6-amino-4-alkyl/aryl-3-methyl-2,4-dihydropyrano[2,3-c]pyrazole-5-carbonitriles in aqueous medium

(2011) Hormi Mecadon et al.   TETRAHEDRON LETTERS

A new catalytic mode of the modularly designed organocatalysts (MDOs): enantioselective synthesis of dihydropyrano[2,3-c]pyrazoles

(2011) Savitha Muramulla et al.   TETRAHEDRON LETTERS

Rapid and Efficient Ultrasound-Assisted Method for the Combinatorial Synthesis of Spiro[indoline-3,4′-pyrano[2,3-c]pyrazole] Derivatives

(2011) Yi Zou et al.   ACS Combinatorial Science

Recent advances in multicomponent reactions for diversity-oriented synthesis

(2010) James E. Biggs-Houck et al.   CURRENT OPINION IN CHEMICAL BIOLOGY

Multicomponent Synthesis of Cyclic Frameworks on Knoevenagel-Initiated Domino Reactions

(2010) Yi-Feng Han et al.   CURRENT ORGANIC CHEMISTRY

Anti-angiogenic/proliferative behavior of a “4-aryl-4H-chromene” on blood vessel’s endothelial cells: A possible evidence on dual “anti-tumor” activity

(2010) Kamran Mansouri et al.   MEDICINAL CHEMISTRY RESEARCH

Green One Pot Solvent-Free Synthesis of Pyrano[2,3-c]-Pyrazoles and Pyrazolo[1,5-a]Pyrimidines

(2010) Hamad M. Al-Matar et al.   MOLECULES

Highly efficient three-component, one-pot synthesis of dihydropyrano[3,2-c]chromene derivatives

(2010) Hong-Juan Wang et al.   MONATSHEFTE FUR CHEMIE

Interactions of TRIS [tris(hydroxymethyl)aminomethane] and related buffers with peptide backbone: Thermodynamic characterization

(2010) Mohamed Taha et al.   PHYSICAL CHEMISTRY CHEMICAL PHYSICS

A new convenient four-component synthesis of 6-amino-2H, 4H-pyrano[2,3-c]pyrazole-5-carbonitriles and one-pot synthesis of 6 ′-amino-5-cyano-1,2-dihydrospiro-[(3H)-indole-3,4 ′-(4 ′H)-pyrano[2,3-c]pyrazol]-2-ones

(2010) Yu. M. Litvinov et al.   RUSSIAN CHEMICAL BULLETIN

DBU: a highly efficient catalyst for one-pot synthesis of substituted 3,4-dihydropyrano[3,2-c]chromenes, dihydropyrano[4,3-b]pyranes, 2-amino-4H-benzo[h]chromenes and 2-amino-4H benzo[g]chromenes in aqueous medium

(2010) Jitender M. Khurana et al.   TETRAHEDRON

Solvent-free multicomponent synthesis of pyranopyrazoles: per-6-amino-β-cyclodextrin as a remarkable catalyst and host

(2010) Kuppusamy Kanagaraj et al.   TETRAHEDRON LETTERS

PEG-400 remarkably efficient and recyclable media for one-pot synthesis of various 2-amino-4H-chromenes

(2010) Nana V. Shitole et al.   Green Chemistry Letters and Reviews

Potassium Phosphate Catalyzed a Rapid Three-Component Synthesis of Tetrahydrobenzo[b]pyran at Ambient Temperature

(2009) D. M. Pore et al.   CATALYSIS LETTERS

Cytotoxic activity of 3-(5-phenyl-3 H -[1,2,4]dithiazol-3-yl)chromen-4-ones and 4-oxo-4 H -chromene-3-carbothioic acid N -phenylamides

(2009) Tilak Raj et al.   EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY

Organocatalyzed enantioselective synthesis of 6-amino-5-cyanodihydropyrano[2,3-c]pyrazoles

(2009) Sanjib Gogoi et al.   TETRAHEDRON LETTERS

Tetrabutylammonium bromide (TBAB): a neutral and efficient catalyst for the synthesis of biscoumarin and 3,4-dihydropyrano[c]chromene derivatives in water and solvent-free conditions

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

Structural Simplification of Bioactive Natural Products with Multicomponent Synthesis. 2. Antiproliferative and Antitubulin Activities of Pyrano[3,2-c]pyridones and Pyrano[3,2-c]quinolones

(2008) Igor V. Magedov et al.   JOURNAL OF MEDICINAL CHEMISTRY

A one-pot multicomponent reaction for the synthesis of 2-amino-2-chromenes promoted by N,N-dimethylamino-functionalized basic ionic liquid catalysis under solvent-free condition

(2008) Lu Chen et al.   MONATSHEFTE FUR CHEMIE

Fluoride ion catalyzed multicomponent reactions for efficient synthesis of 4H-chromene and N-arylquinoline derivatives in aqueous media

(2008) Shijay Gao et al.   TETRAHEDRON

Rapid four-component reactions in water: synthesis of pyranopyrazoles

(2008) Gnanasambandam Vasuki et al.   TETRAHEDRON LETTERS

Exploitation of the catalytic efficacy of Mg/Al hydrotalcite for the rapid synthesis of 2-aminochromene derivatives via a multicomponent strategy in the presence of microwaves

(2008) Mandar P. Surpur et al.   TETRAHEDRON LETTERS