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

ZnO/MgO containing ZnO nanoparticles as a highly effective heterogeneous base catalyst for the synthesis of 4H-pyrans and coumarins in [bmim]BF4

(2012) H. Valizadeh et al.   Journal of the Iranian Chemical Society

Mg-Al Hydrotalcite as a First Heterogeneous Basic Catalyst for the Synthesis of 4H-Pyrano[2,3-c]pyrazoles Through a Four-Component Reaction

(2011) Siddheshwar W. Kshirsagar et al.   SYNTHETIC COMMUNICATIONS

Rapid Synthesis of Polyfunctionalized Pyrano[2,3-c]pyrazolesviaMulticomponent Condensation in Room-Temperature Ionic Liquids

(2011) Jitender M. Khurana et al.   SYNTHETIC COMMUNICATIONS

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

A facile, one-pot, green synthesis of polysubstituted 4H-pyrans via piperidine-catalyzed three-component condensation in aqueous medium

(2010) Guo-Ping Lu et al.   JOURNAL OF HETEROCYCLIC CHEMISTRY

Acidic Ionic Liquid [(CH2)4SO3HMIM][HSO4]: A Green Media for the Simple and Straightforward Synthesis of 2,4,5-Trisubstituted Imidazoles

(2010) Majid M. Heravi et al.   SYNTHETIC COMMUNICATIONS

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

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

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

A facile one-pot green synthesis and antibacterial activity of 2-amino-4H-pyrans and 2-amino-5-oxo-5,6,7,8-tetrahydro-4H-chromenes

(2009) Dalip Kumar et al.   EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY

New Convenient Four-Component Synthesis of 6-Amino-2,4-dihydropyrano[2,3-c]pyrazol-5-carbonitriles and One-Pot Synthesis of 6′-Aminospiro[(3H)-indol-3,4′-pyrano[2,3-c]pyrazol]-(1H)-2-on-5′-carbonitriles

(2009) Yuri M. Litvinov et al.   JOURNAL OF COMBINATORIAL CHEMISTRY

Brønsted-acidic ionic liquid [HO3S(CH2)4MIM][HSO4] as efficient and reusable catalyst for one-pot synthesis of β-acetamido ketones

(2009) Abolghasem Davoodnia et al.   MONATSHEFTE FUR CHEMIE

One-Pot, Three-Component Synthesis of 4H-Pyrans Using Cu(II) Oxymetasilicate

(2009) Majid M. Heravi et al.   SYNTHETIC COMMUNICATIONS

pTSA-catalyzed one-pot synthesis of 12-aryl-8,9,10,12-tetrahydrobenzo[a]xanthen-11-ones in ionic liquid and neat conditions

(2009) Jitender M. Khurana 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

Rapid Synthesis of 1,3,4,4-Tetrasubstituted β-Lactams from Methyleneaziridines Using a Four-Component Reaction‡

(2008) Claire C. A. Cariou et al.   JOURNAL OF ORGANIC CHEMISTRY

Multicomponent Reactions as a Powerful Tool for Generic Drug Synthesis

(2008) Cédric Kalinski et al.   SYNTHESIS-STUTTGART