Green synthesis of pyranopyrazoles via biocatalytic one-pot Knoevenagel condensation–Michael-type addition–heterocyclization cascade in non-aqueous media

Synthesis and antimicrobial study of 1, 4-dihydropyrano [2, 3-c] pyrazole derivatives in the presence of amino-functionalized silica-coated cobalt oxide nanostructures as catalyst

(2019) Shakiba Shahbazi et al.   POLYHEDRON

A ternary hybrid system based on combination of mesoporous silica, heteropolyacid and double-layered clay: an efficient catalyst for the synthesis of 2,4-dihydro-3H-pyrazol-3-ones and pyranopyrazoles in aqueous medium: studying the effect of the synthetic procedure on the catalytic activity

(2018) Samahe Sadjadi et al.   RESEARCH ON CHEMICAL INTERMEDIATES

Pyranopyrazoles as efficient antimicrobial agents: Green, one pot and multicomponent approach

(2018) Guda Mallikarjuna Reddy et al.   BIOORGANIC CHEMISTRY

Aspirin: an efficient catalyst for synthesis of bis (pyrazol-5-ols), dihydropyrano[2,3-c]pyrazoles and spiropyranopyrazoles in an environmentally benign manner

(2017) Maryam Fatahpour et al.   Journal of the Iranian Chemical Society

A green and practical method for the synthesis of novel pyrano[2,3-c]pyrazoles and bis-pyrano[2,3-c]pyrazoles using sulfonic acid-functionalized ionic liquid

(2017) Pegah Farokhian et al.   Journal of the Iranian Chemical Society

One-pot multicomponent synthesis in aqueous medium of 1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile and derivatives using a green and reusable nano-SiO2 catalyst from agricultural waste

(2017) Khushbu G. Patel et al.   RESEARCH ON CHEMICAL INTERMEDIATES

L-Proline catalyzed three component synthesis of pyrano[2,3-c]pyrazole-5-carbonitrile derivatives and in vitro antimalarial evaluation

(2017) Kailasam Saravana Mani et al.   SYNTHETIC COMMUNICATIONS

Zinc cation supported on carrageenan magnetic nanoparticles: A novel, green and efficient catalytic system for one-pot three-component synthesis of quinoline derivatives

(2016) Fariba Keshavarzipour et al.   APPLIED ORGANOMETALLIC CHEMISTRY

Choline chloride based thiourea catalyzed highly efficient, eco-friendly synthesis and anti-bacterial evaluation of some new 6-amino-4-aryl-2,4-dihydro-3-phenyl pyrano [2,3-c] pyrazole-5-carbonitrile derivatives

(2016) Masoumeh Gholami Dehbalaei et al.   RESEARCH ON CHEMICAL INTERMEDIATES

Synthesis of pyranopyrazole derivatives by in situ generation of trityl carbocation under mild and neutral media

(2016) Ahmad Reza Moosavi-Zare et al.   RESEARCH ON CHEMICAL INTERMEDIATES

Deep Eutectic Solvent as a Recyclable Catalyst for Three-Component Synthesis of β-Amino Carbonyls

(2015) Fariba Keshavarzipour et al.   CATALYSIS LETTERS

Synthesis of Pyranopyrazoles under Eco-friendly Approach by Using Acid Catalysis

(2015) Guda Mallikarjuna Reddy et al.   JOURNAL OF HETEROCYCLIC CHEMISTRY

Bakers' yeast: an environment benign catalyst for the one-pot synthesis of indolyl chromenes and bisindolyl alkanes

(2014) Nongthombam Geetmani Singh et al.   Green Chemistry Letters and Reviews

Multicomponent Cascade Assembly for Quinolinopyranpyrazole Architectures

(2013) Manickam Bakthadoss et al.   EUROPEAN JOURNAL OF ORGANIC CHEMISTRY

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

(2013) Rui-Yun Guo et al.   TETRAHEDRON

Synthesis of pyranopyrazoles using isonicotinic acid as a dual and biological organocatalyst

(2013) Mohammad Ali Zolfigol et al.   RSC Advances

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

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

Rapid One-pot, Four Component Synthesis of Pyranopyrazoles Using Heteropolyacid Under Solvent-free Condition

(2012) Hemant V. Chavan et al.   BULLETIN OF THE KOREAN CHEMICAL SOCIETY

Design, synthesis, computational and biological evaluation of some new hydrazino derivatives of DHA and pyranopyrazoles

(2012) Ajay Kumar et al.   EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY

Organocatalysis in Synthesis: L-Proline as an Enantioselective Catalyst in the Synthesis of Pyrans and Thiopyrans

(2012) Noha M. Hilmy Elnagdi et al.   MOLECULES

Bleaching earth clay (pH 12.5): a green catalyst for rapid synthesis of pyranopyrazole derivatives via a tandem three-component reaction

(2012) Rahul D. Kamble et al.   RESEARCH ON CHEMICAL INTERMEDIATES

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

(2012) Mingshu Wu et al.   SYNTHETIC COMMUNICATIONS

Efficient and green synthesis of 4H-pyrans and 4H-pyrano[2,3-c] pyrazoles catalyzed by task-specific ionic liquid [bmim]OH under solvent-free conditions

(2012) Jitender M. Khurana et al.   Green Chemistry Letters and Reviews

Biocatalyzed Enantioselective Reduction of Activated C=C Bonds: Synthesis of Enantiomerically Enriched α-Halo-β-arylpropionic Acids

(2011) Elisabetta Brenna et al.   EUROPEAN JOURNAL OF ORGANIC CHEMISTRY

Production of bioethanol by immobilized Saccharomyces Cerevisiae onto modified sodium alginate gel

(2011) Murat Inal et al.   JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY

An efficient and simple approach for the synthesis of pyranopyrazoles using imidazole (catalytic) in aqueous medium, and the vibrational spectroscopic studies on 6-amino-4-(4′-methoxyphenyl)-5-cyano-3-methyl-1-phenyl-1,4-dihydropyrano[2,3-c]pyrazole using density functional theory

(2011) Aisha Siddekha et al.   SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY

Baker’s yeast catalyzed one-pot three-component synthesis of polyfunctionalized 4H-pyrans

(2011) Umesh R. Pratap et al.   TETRAHEDRON LETTERS

l-Proline as an efficicent catalyst for the multi-component synthesis of 6-amino-4-alkyl/aryl-3-methyl-2,4-dihydropyrano[2,3-c]pyrazole-5-carbonitriles in water

(2011) Hormi Mecadon et al.   TETRAHEDRON LETTERS

Baker's yeast catalyzed synthesis of 1,4-benzothiazines, performed under ultrasonication

(2010) Umesh R. Pratap et al.   JOURNAL OF MOLECULAR CATALYSIS B-ENZYMATIC

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

Glycine-Catalyzed Efficient Synthesis of Pyranopyrazoles via One-Pot Multicomponent Reaction

(2010) M. B. Madhusudana Reddy et al.   SYNTHETIC COMMUNICATIONS

Baker's Yeast Reduction of β-Hydroxy Ketones

(2009) Daniela Acetti et al.   EUROPEAN JOURNAL OF ORGANIC CHEMISTRY

Bakers' Yeast–Catalyzed Ring Opening of Benzofuroxans: An Efficient Green Synthesis of Aryl-1,2-diamines

(2009) Harsha N. Borah et al.   SYNTHETIC COMMUNICATIONS

Bakers’ yeast catalyzed synthesis of benzothiazoles in an organic medium

(2009) Umesh R. Pratap et al.   TETRAHEDRON LETTERS

Applying alpha-phenacyl chloride to the enantioselective reduction of ethyl 2-oxo-4-phenylbutyrate with baker's yeast

(2008) Yu-gang Shi et al.   JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY

Rapid four-component reactions in water: synthesis of pyranopyrazoles

(2008) Gnanasambandam Vasuki et al.   TETRAHEDRON LETTERS