List of Articles Pyran Open Access Article Abstract Page Full-Text 1 - Functionalization of Carboxylate Multi Walled Carbon Nanotube with pyrano[2,3-d]pyrimidinone Derivatives by DABCO as a Catalyst in Green Media Bahram Pourhasan Abolghasem Shameli Open Access Article Abstract Page Full-Text 2 - Y(NO3)3.6H2O catalyzed Four-Component Reaction for the Synthesis of Highly Functionalized Pyrano[2,3-c]pyrazoles in Aqueous Medium Mohyeddin Safarzaei Malek Taher Maghsoodlou Ebrahim Mollashahi Mojtaba Lashkari Nourallah Hazeri Open Access Article Abstract Page Full-Text 3 - Solvatochromic and Photochromic behavior of 1',3',3'-trimethyl-8-nitrospiro[chromene-2,2'-indoline] Zeinalabedin Sepehr Hossein Nasr-Isfahani Ali Reza Mahdavian Open Access Article Abstract Page Full-Text 4 - Sodium Bismuthate: An Efficient Catalyst for the One-pot Synthesis of Biologically Active Spiro[4H-pyran] Derivativesunder Solvent-free Conditions Farzaneh Mohamadpour Malek Taher Maghsoodlou Reza Heydari Mojtaba Lashkari Open Access Article Abstract Page Full-Text 5 - Application of Green Chemistry in Synthesis of Functionalized Thiopyran viaOne-pot Multicomponent Reactions in Water Z. Hossaini F. Rostami-Charati Open Access Article Abstract Page Full-Text 6 - Lactic acid-catalyzed Eco-friendly Cyclization Reaction for the Synthesis of 4H-benzo[b]pyrans and 3,4-dihydropyrano[c]chromenes in EtOH/H2O as an Efficient Green Reaction Medium Nourallah Hazeri Mojtaba Lashkari Homayoun Faroughi Niya Hamed Pourbalouch Open Access Article Abstract Page Full-Text 7 - Solvent-Free Multicomponent Reactions of Dithiocarbamates, Activated Acetylenes and Isocyanides F. Rostami-Charati Z. Hossaini R. Hajinasiri Open Access Article Abstract Page Full-Text 8 - One-pot Synthesis of Pyrano[2,3-d]Pyrimidines using Nanocellulose-SbCl5 as a Highly Efficient and Bio-based Catalyst Marziyeh Rouhi Bahareh Sadeghi Mohammad Hosain Moslemin Saleheh Zavar Open Access Article Abstract Page Full-Text 9 - Mefenamic acid as Environmentally Catalyst for Threecomponent Synthesis of Dihydropyrano [2,3-c]Chromene and Pyrano[2,3-d]Pyrimidine Derivatives Soheila Asadpour Behzadi Enayatollah Sheikhhosseini Sayed Ali Ahmadi Dadkhoda Ghazanfari Mohammadreza Akhgar Open Access Article Abstract Page Full-Text 10 - Nano-rice bran /TiCl4 a highly efficient catalyst for the one-pot synthesis of pyrano[3,2-b]pyrans Sayed Rasul Shafe Mehrabadi Bahareh Sadeghi Saleheh Zavar Open Access Article Abstract Page Full-Text 11 - Fe3O4@SiO2/BiPy2+2Cl– nanocomposite promoted rapid synthesis of Pyranopyrazole and Octahydroquinazoline derivatives Sara Hosseini Ali Reza Kiasat Asadollah Farhadi Open Access Article Abstract Page Full-Text 12 - Synthesis of Pyrazolopyranopyrimidine and Dihydropyrano[2,3-c]pyrazole Derivatives using Vitamin D as an Efficient Catalyst under Green Condition Fatemeh Mir Nourallah Hazeri Malek Taher Maghsoodlou Mojtaba Lashkari Open Access Article Abstract Page Full-Text 13 - Synthesis and characterization of Nanoparticles Poly Ethylene Imine-Functionalized MCM-41by Covalent Anchoring as a Solid Catalyst for Multi-Component Reactions Hosein Hamadi Maryam Gholami Mehdi Khoobi Open Access Article Abstract Page Full-Text 14 - Polyethyleneimine-modified super paramagnetic Fe3O4 nanoparticles: An efficient, reusable and water tolerance nanocatalyst. Hosein Hamadi Maryam Gholami Mehdi Khoobi Open Access Article Abstract Page Full-Text 15 - Green synthesis of pyranopyrazoles using Tungestic acid/Zr bio-based MOF as an efficient heterogeneous catalyst Shima Khademi Saeed Zahmatkesh Alireza Aghili Rashid Badri Open Access Article Abstract Page Full-Text 16 - An Efficient, One-Pot and new Synthesis of 2-amino-12H-spiro[indolo[1,2-b]quinazoline]pyrano-3-carbonitril Gholam Hossein Mahdavinia Afsaneh Alamdar Open Access Article Abstract Page Full-Text 17 - High Catalytic Ability of Fe3O4/EDTA Magnetic Nanocatalyst in Comparison with Various Deep Eutectic Solvents for One-Pot Synthesis of 4H-Pyrans hossein tavakol Dana Shahabi 10.22034/jna.2018.543347.1033 Open Access Article Abstract Page Full-Text 18 - Synthesis of Pyranopyrazole Compounds Using Heterogeneous Base Catalyst Based on 1,3,5-Triazine-2,4,6-Triamine Modified Nano Rice Husk Silica Jamal Davarpanah Reza Khoram 10.22034/jna.2017.01.003 Open Access Article Abstract Page Full-Text 19 - High Catalytic Ability of Fe3O4/EDTA Magnetic Nanocatalyst in Comparison with Various Deep Eutectic Solvents for One-Pot Synthesis of 4H-Pyrans Dana Shahabi hossein tavakol 10.22034/jna.2018.541849 Open Access Article Abstract Page Full-Text 20 - Synthesis of densely functionalized chromenes using a magnetic recoverable ionic liquid as the catalyst Forough Ramazanzadeh Manouchehr Mamaghani Hossein Fallah-Bagher-Shaidaei Mehdi sheykhan Open Access Article Abstract Page Full-Text 21 - Green approach for the synthesis of pyranopyrazoles and hexahydroquinoline-3-carboxamides using unripe grape juice (verjuice) as catalyst Masoud Mokhtary Open Access Article Abstract Page Full-Text 22 - Brönsted acidic ionic liquid as a recyclable catalyst for the one pot four-component synthesis of substituted pyrano[2,3-c]pyrazoles Leila Khazdooz Amin Zarei Open Access Article Abstract Page Full-Text 23 - Selective conversion of alcohols and phenols to tetrahydropyranyl ethers catalyzed with N-chlorosaccharin under mild and solvent-free conditions Ghasem Aghapour Ali Kazemi Moghaddam Samaneh Nadali Open Access Article Abstract Page Full-Text 24 - Fe3O4@FSM-16-SO3H as a new magnetically recyclable nanostructured catalyst: synthesis, characterization and catalytic application for the synthesis of pyrano[2,3-c]pyrazoles Somayeh Hashemi-Uderji Mohammad Abdollahi-Alibeik Reza Ranjbar-Karimi Open Access Article Abstract Page Full-Text 25 - Synthesis of pyrazolopyranopyrimidines catalyzed by caffeine supported on boehmite nanoparticles and their evaluation for anti-bacterial activities Mohammad Bakherad Rahele Doosti Mahdi Mirzaee Khosrow Jadidi Open Access Article Abstract Page Full-Text 26 - Fe-MCM-22 catalyzed multicomponent synthesis of dihydropyrano [2,3-c] pyrazole derivatives Rameshwar Magar Ganesh Pawar Sachin Gadekar Machhindra Lande Open Access Article Abstract Page Full-Text 27 - One-pot pseudo-five-component synthesis of dihydropyrano[2,3-g] chromenes using sodium phthalimide/[BMIM]BF4 as high efficient catalytic system Leila Moradi Maryam Aghamohammad Sadegh Open Access Article Abstract Page Full-Text 28 - Employing a hydrophobic-bentonite as a highly efficient and versatile catalyst for a green one-pot and rapid synthesis of 4H-benzo-[b]-pyran derivatives Mohammad Ebrahim Sedaghat Faranak Farhadi Mohammad Reza Nazarifar Rezvan Sheikhi Kamareji Open Access Article Abstract Page Full-Text 29 - PbWO4 nanoparticles: A robust and reusable heterogeneous catalyst for the synthesis of benzopyranopyridines under ultrasonic irradiation Hossein Shahbazi-Alavi Javad Safaei-Ghomi Ruhollah Talebi Open Access Article Abstract Page Full-Text 30 - Introduction of Brönsted acidic ionic liquid supported on nanoporous Na+-montmorillonite as an efficient catalyst for the synthesis of 2-amino-tetrahydro-4H-pyrans Farhad Shirini Masoumeh Makhsous Mohadeseh Seddighi Open Access Article Abstract Page Full-Text 31 - Co3O4 nanoparticles as a robust and recoverable catalyst for one-pot synthesis of polyhydroquinolines and tetrahydrobenzopyrans Mohammad Ali Ghasemzadeh Zahra Elyasi Open Access Article Abstract Page Full-Text 32 - Rice husk ash (RHA): A Highly efficient solid acid catalyst for the oxidation of alcohols and trimethylsilyl, tetrahydropyranyl and methoxymethyl ethers with CrO3 Farhad Shirini Masoumeh Abedini Mahnaz Shamsi-Sani Mohadeseh Seddighi Open Access Article Abstract Page Full-Text 33 - A green protocol for synthesis of pyran annulated hetrocyclic systems using Na2SO4 as an efficient catalyst Malek Taher Maghsoodlou Amin Masoumnia Mir Rasul Mousavi Nourollah Hazeri Jasem Aboonajmi Sayyed Mostafa Habibi-Khorasani Shiva Kiaee Open Access Article Abstract Page Full-Text 34 - Hydroxy sodalite zeolite as a recyclable catalyst for the green synthesis of tetrahydrobenzo[b]pyrans via one-pot three-component condensation reaction Fatemeh Teimouri S. Hadi Khezri Javad Azizian Open Access Article Abstract Page Full-Text 35 - Introduction of sulfonated rice husk ash as a highly efficient reusable catalyst for the protection of the hydroxyl group Farhad Shirini Masoumeh Abedini Mahnaz Shamsi-Sani Mohadeseh Seddighi Open Access Article Abstract Page Full-Text 36 - Ammonium chloride catalyzed microwave-assisted synthesis of tetrahydrobenzo[b]pyrans Vijay Pagore Sunil Tekale Vivekanand Jadhav Rajendra Pawar Open Access Article Abstract Page Full-Text 37 - Synthesis of methyl 6-amino-5-cyano-4-aryl-2,4-dihydropyrano[2,3-c]pyrazole-3-carboxylates using nanocrystalline ZnZr4(PO4)6 ceramics as an efficient catalyst Javad Safaei-Ghomi Mehrnoosh Asgari-Kheirabadi Hossein Shahbazi-Alvi Abolfazl Ziarati Open Access Article Abstract Page Full-Text 38 - Multi-component, one-pot, aqueous media preparation of dihydropyrano[3, 2-c]chromene derivatives over MgO nanoplates as an efficient catalyst Majid Ghashang Syed Sheik Mansoor Leila Shams Solaree Ali Sharifian-esfahani Open Access Article Abstract Page Full-Text 39 - Nano-peanut shell-OSO3H: Green and natural-based renewable nanocatalyst for one-pot synthesis of dihydropyrano[3,2-b]chromenedione derivatives Bahareh Sadeghi Zahra Lasemi Mansooreh Pisheh Abadi Open Access Article Abstract Page Full-Text 40 - Nano-SiO2/hexamethylenetetramine promoted synthesis of pyrano[2,3-c] pyrazoles under solvent-free conditions Bi Bi Fatemeh Mirjalili Mina Keihanfar Open Access Article Abstract Page Full-Text 41 - Synthesis and in vitro antibacterial study of dihydropyrano[3,2-c]chromene derivatives by nano fluoro apatite doped with Mg and Si as a cooperative catalyst Elmira Jahangard Leila Khazdooz Amin Zarei Open Access Article Abstract Page Full-Text 42 - One-pot sonochemical synthesis of benzopyranophenazines using nano Fe3O4@ PAA-SO3H Javad Safaei-Ghomi Maryam Tavazo Hossein Shahbazi-Alavi Open Access Article Abstract Page Full-Text 43 - Novel nanomagnetic material with dimethylamino tag: a selective and recyclable catalyst for the reaction of malononitrile, aryl aldehydes and dimedone Aysoda Ghobadpoor Mohammad Mehdi Eskandari Abdolkarim Zare Mostafa Karami Open Access Article Abstract Page Full-Text 44 - One-pot three-component synthesis of tetrahydrobenzo[b]pyrans in the presence of Ni0.5Cu0.5Fe2O4 magnetic nanoparticles under microwave irradiation in solvent-free conditions Hamideh Ahankar Saeid Taghavi Fardood Ali Ramazani Open Access Article Abstract Page Full-Text 45 - Vitamin B12 used as effective biocatalyst for the synthesis of pyrano[2,3-c]cromenes and pyrano[2,3-d]pyrimidines Ghasem Marandi Reyhaneh Nadernia Nourallah Hazeri Malek Taher Maghsoodlou 10.30495/ijc.2022.689575 Open Access Article Abstract Page Full-Text 46 - Pistachio peel biomass derived magnetic nanoparticles Fe3O4@C-SO3H: a highly efficient catalyst for the synthesis of isoxazole-5(4H)-one, 1-amido alkyl-2-naphthol, pyrano[2,3-c]pyrazole and 2,3-dihydro quinazoline-4(1H)-one derivatives Fatemeh Ghorbani Seied Ali Pourmousavi 10.30495/ijc.2022.690999 Open Access Article Abstract Page Full-Text 47 - Nano-cellulose-OSnCl4-x: Green and natural-based renewable nanocatalyst for one-pot synthesis of 2-amino-3-phenylsulfonyl-4H-pyran derivatives Sayed Rasul Shafe-Mehrabadi Bahareh Sadeghi Mohammad Hossein Mosslemin Saeedeh Hashemian 10.30495/ijc.2022.1958448.1933 Open Access Article Abstract Page Full-Text 48 - La2O3 as a very effective double-functional catalyst for the production of 2-amino-4-aryl-4H-pyrans and Pyrazolopyranopyrimidines Alireza Kohzadian Rohollah Fathollahi Mostafa Karami Esmail Korani Abdolkarim Zare 10.30495/ijc.2023.1990117.2017 Open Access Article Abstract Page Full-Text 49 - Magnetically recoverable nano-crystalline NiFe2O4 catalyzed green and sustainable synthesis of functionalized pyrano-pyrazol, pyrano-coumarin, and 4H-chromene derivatives Koyel Pradhan 10.30495/ijc.2023.1993771.2041 Open Access Article Abstract Page Full-Text 50 - Rapid oxidation of alcohols and trimethylsilyl and tetrahydropyranyl ethers with CrO3 in the presence of sulfonic acid functionalized ordered nanoporous Na+-montmorillonite Farhad Shirini Masoumeh Abedini Ahmad Nasiri Abkenar Bita Baghernejad Open Access Article Abstract Page Full-Text 51 - Brönsted acidic ionic liquid ([Hmim][HSO4]) as a green, efficient and reusable catalyst for the tetrahydropyranylation of alcohols Abdol Hajipour Fatemeh Rafiee Open Access Article Abstract Page Full-Text 52 - Eggshell: A green and efficient heterogeneous catalyst for the synthesis of pyrano[3,2-c]quinoline Leila Youseftabar-Miri Fatemeh Akbari Farshid Ghraghsahar Open Access Article Abstract Page Full-Text 53 - A new method for synthesis of tetrahydrobenzo[b]pyrans and dihydropyrano[c]chromenes using p-dodecylbenzenesulfonic acid as catalyst in water Enayatollah Sheikhhosseini Dadkhoda Ghazanfari Vida Nezamabadi Open Access Article Abstract Page Full-Text 54 - Mild and efficient solvent-free tetrahydropyranylation (THP) of alcohols catalyzed by reusable acidic ionic liquid [Et3N(CH2)4SO3H][OTs] Abdol Reza Hajipour Ghobad Azizi Open Access Article Abstract Page Full-Text 55 - 1,10-Phenanthroline as a versatile catalyst in synthesis of tetrahydrobenzo[b]pyrans in aqueous media اسداله حسن خانی الهه مصدق Open Access Article Abstract Page Full-Text 56 - Natural sources for coumarins and their derivatives with relevance to health-promoting properties: A systematic review Nadia Sharif Hina Jabeen 10.71596/tpr.2024.1103148 Open Access Article Abstract Page Full-Text 57 - Clay/APTS/Fe3O4 magnetic nanoparticles, as efficient catalysis with magnetic separation capability for the rapid synthesis of 2 amino 4h benzo[b]pyrans Ghasem Rahpaima Mohamadreza Nazarifar Baharak Pooladian