A facile and efficient synthesis of tetrahydrobenzo[b]pyrans and dihydropyrano[4,3-b]pyrans derivatives using phosphate fertilizers MAP, DAP, and TSP as heterogeneous catalysts

[1]  M. Maghsoodlou,et al.  Preparation and characterization of MNPs–PhSO3H as a heterogeneous catalyst for the synthesis of benzo[b]pyran and pyrano[3,2-c]chromenes , 2019, Research on Chemical Intermediates.

[2]  S. Boukhris,et al.  Synthesis of 9-Arylhexahydroacridine-1,8-diones Using Phosphate Fertilizers as Heterogeneous Catalysts , 2019, Russian Journal of Organic Chemistry.

[3]  M. E. Azab,et al.  Conventional and Microwave‐Assisted Synthesis and Biological Activity Study of Novel Heterocycles Containing Pyran Moiety , 2019, Journal of Heterocyclic Chemistry.

[4]  F. Heidarizadeh,et al.  Phosphotungstic acid supported on SiO2@NHPhNH2 functionalized nanoparticles of MnFe2O4 as a recyclable catalyst for the preparation of tetrahydrobenzo[b]pyran and indazolo[2,1-b]phthalazine-triones , 2019, Polyhedron.

[5]  S. Boukhris,et al.  Valorization of the Modified Mono Ammonium Phosphate by Cobalt in the Synthesise of 3,4‐Dihydropyrano[c]chromene Derivatives , 2019, ChemistrySelect.

[6]  B. Sadeghi,et al.  Nano-cell-OBF2: an efficient and cheap catalyst for one-pot synthesis of pyrano[4,3-b]pyrans under mild and green condition , 2019, Inorganic and Nano-Metal Chemistry.

[7]  A. Sanati,et al.  FSM-16/AEPC-SO3H: Synthesis, Characterization and Its Application for the Catalytic Preparation of 1,8-Dioxo-octahydroxanthene and Tetrahydrobenzo[b]pyran Derivatives , 2018, Catalysis Letters.

[8]  A. Souizi,et al.  Preparation of tin-modified mono-ammonium phosphate fertilizer and its application as heterogeneous catalyst in the benzimidazoles and benzothiazoles synthesis , 2018, Reaction Kinetics, Mechanisms and Catalysis.

[9]  S. Maddila,et al.  Ag2O on ZrO2 as a Recyclable Catalyst for Multicomponent Synthesis of Indenopyrimidine Derivatives , 2018, Molecules.

[10]  Amirhassan Amiri,et al.  Polypyrrole/Fe3O4/CNT as a recyclable and highly efficient catalyst for one‐pot three‐component synthesis of pyran derivatives , 2018 .

[11]  H. Naeimi,et al.  A facile one-pot ultrasound-assisted green synthesis of tetrahydrobenzo[b]pyrans catalyzed by gold nanoparticles supported on thiol-functionalized reduced graphene oxide , 2018, Research on Chemical Intermediates.

[12]  H. Safaei,et al.  A novel catalytic one-pot three-component reaction of aldehydes, o-phenylenediamine derivatives and isocyanides for synthesis of 3,4-dihydroquinoxalin-2-amine derivatives in the presence of zirconium tetrachloride , 2018, Journal of the Iranian Chemical Society.

[13]  Hamid Reza Saadati-Moshtaghin,et al.  Preparation and characterization of magnetite-dihydrogen phosphate as a novel catalyst in the synthesis of tetrahydrobenzo[b]pyrans , 2017 .

[14]  M. Abaszadeh,et al.  Three-Component Synthesis of Mono and Bis 4,5-Dihydropyrano[3,2-C]Chromenes and 4,5- Dihydropyran[4,3-B]Pyrans Catalyzed by Sodium Benzenesulfinates as a Green Organocatalyst , 2017 .

[15]  Dinesh Kumar,et al.  The value of pyrans as anticancer scaffolds in medicinal chemistry , 2017 .

[16]  P. Dubey,et al.  Sulfamic acid as a green, reusable catalyst for stepwise, tandem & one-pot solvent-free synthesis of pyrazole derivatives , 2017 .

[17]  J. A. Agashe,et al.  An efficient multicomponent synthesis of tetrahydropyrans using novel recyclable nanocrystalline Y2(CO3)3 catalyst , 2017, Russian Journal of Applied Chemistry.

[18]  A. Mohammadi,et al.  Synthesis of tetrahydrobenzo[b]pyran under catalysis of NH4Al(SO4)2·12H2O (Alum) , 2017 .

[19]  S. B. A. Hamid,et al.  Succinimide-N-sulfonic Acid as a Recyclable Brönsted Acid Catalyst for Synthesis of Pyrano[4,3-b]pyran Derivatives by Using Solar Energy Under Solvent-Free Conditions , 2017 .

[20]  M. Zolfigol,et al.  1H-imidazol-3-ium tricyanomethanide {[HIM]C(CN)3} as a nanostructured molten salt catalyst: application to the synthesis of pyrano[4,3‐b]pyrans , 2017, Research on Chemical Intermediates.

[21]  B. Maleki,et al.  Green synthesis of tetrahydrobenzo[b]pyrans, pyrano[2,3-c]pyrazoles and spiro[indoline-3,4′-pyrano[2,3-c]pyrazoles catalyzed by nano-structured diphosphate in water , 2016 .

[22]  D. Azarifar,et al.  Sulfonic acid–functionalized magnetic Fe3-xTixO4 nanoparticles: New recyclable heterogeneous catalyst for one-pot synthesis of tetrahydrobenzo[b]pyrans and dihydropyrano[2,3-c]pyrazole derivatives , 2016 .

[23]  Manish P. Patel,et al.  PS-TBD triggered general protocol for the synthesis of 4H-chromene, pyrano[4,3-b]pyran and pyrano[3,2-c]chromene derivatives of 1H-pyrazole and their biological activities , 2016 .

[24]  M. Shahraki,et al.  Fructose-catalyzed synthesis of tetrahydrobenzo[ b ]pyran derivatives: Investigation of kinetics and mechanism , 2015 .

[25]  N. G. Khaligh.  4-(Succinimido)-1-butane sulfonic acid as a Brönsted acid catalyst for synthesis of pyrano[4,3-b]pyran derivatives under solvent-free conditions , 2015 .

[26]  R. Pawar,et al.  Novel one-pot synthesis of 4H-chromene derivatives using amino functionalized silica gel catalyst , 2014 .

[27]  M. Maghsoodlou,et al.  An efficient one-pot three-component synthesis of tetrahydrobenzo[ b ]pyran and 3,4-dihydropyrano[ c ]chromene derivatives using starch solution as catalyst , 2014 .

[28]  A. Morsali,et al.  Size-controlled crystalline basic nanoporous coordination polymers of Zn4O(H2N-TA)3: Catalytically study of IRMOF-3 as a suitable and green catalyst for selective synthesis of tetrahydro-chromenes , 2014 .

[29]  D. Rajguru,et al.  H6P2W18O62·18H2O: A green and reusable catalyst for one-pot synthesis of pyrano[4,3-b]pyrans in water , 2013 .

[30]  M. Naimi-Jamal,et al.  A facile solvent-free one-pot three-component method for the synthesis of 2-amino-4H-pyrans and tetrahydro-4H-chromenes at ambient temperature , 2013, Monatshefte für Chemie - Chemical Monthly.

[31]  A. Maleki,et al.  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 , 2013 .

[32]  Fabio Fratini,et al.  Ammonium Phosphates as Consolidating Agents for Carbonatic Stone Materials Used in Architecture and Cultural Heritage: Preliminary Research , 2011 .

[33]  E. De Clercq,et al.  Practical and efficient synthesis of pyrano[3,2-c]pyridone, pyrano[4,3-b]pyran and their hybrids with nucleoside as potential antiviral and antileishmanial agents. , 2010, Bioorganic & medicinal chemistry letters.

[34]  S. Balalaie,et al.  Aqueous-Phase Synthesis of 2-Aminothiazole and 2-Iminothiazolidine Derivatives catalyzed by Diammonium Hydrogen Phosphate and DABCO , 2008 .

[35]  P. Salehi,et al.  Diammonium Hydrogen Phosphate: An Efficient and Versatile Catalyst for the One‐Pot Synthesis of Tetrahydrobenzo[b]pyran Derivatives in Aqueous Media , 2007 .

[36]  A. Khosropour,et al.  Diammonium hydrogen phosphate: a versatile and inexpensive reagent for one-pot synthesis of dihydropyrimidinones, quinazolinones and azalactones under solvent-free conditions , 2006 .

[37]  E. Stoyanov,et al.  General Method for the Preparation of Substituted 2-Amino-4H,5H-pyrano(4,3-b)pyran-5-ones and 2-Amino-4H-pyrano(3,2-c)pyridine-5-ones , 2000 .