A regioselective one-pot aza-Friedel–Crafts reaction for primary, secondary and tertiary anilines using a heterogeneous catalyst

Giovanna Bosica and Roderick Abdilla

Green Chem., 2017, 19, 5683
DOI: 10.1039/C7GC02038D

One pot synthesis of pyran-based heterocycles from benzyl halides as key reagents

Mallappa Beerappa and Kalegowda Shivashankar

RSC Adv., 2015, 5, 30364
DOI: 10.1039/C4RA17219A

Polymer grafted layered double hydroxides (LDHs-g-POEGMA): a highly efficient reusable solid catalyst for the synthesis of chromene incorporated dihydroquinoline derivatives under solvent-free conditions

Mudumala Veeranarayana Reddy, Nguyen Thi Kim Lien, Gangireddy Chandra Sekhar Reddy, Kwon Taek Lim and Yeon Tae Jeong

Green Chem., 2016, 18, 4228
DOI: 10.1039/C6GC00339G

Cellulose sulfonic acid as a green, efficient, and reusable catalyst for Nazarov cyclization of unactivated dienones and pyrazoline synthesis

Zahra Daneshfar and Ali Rostami

RSC Adv., 2015, 5, 104695
DOI: 10.1039/C5RA19773B

CFL light promoted one-pot synthesis of pyrano[3,2-c]chromen-5(4H)-ones

Ankusab Noorahmadsab Nadaf and Kalegowda Shivashankar

Synthetic Communications, 2018, 48, 809
DOI: 10.1080/00397911.2018.1426101

Recent advances in carbohydrate polymers as a catalyst for organic synthesis: An update

Azzeddine Taoufyk, Khaoula Oudghiri, Moha Taourirte, Mahfoud Agunaou and Lahoucine Bahsis

Synthetic Communications, 2024, 54, 853
DOI: 10.1080/00397911.2024.2337090

Green synthesis of xanthene and acridine-based heterocycles of pharmaceutical importance: a review

Anand S. Burange, Komal G. Gadam, Prajyot S. Tugaonkar, Seema D. Thakur, Ravish K. Soni, Rubej R. Khan, Mubashira S. Tai and Chinnakonda S. Gopinath

Environ Chem Lett, 2021, 19, 3283
DOI: 10.1007/s10311-021-01223-w

Efficient removal of methyl orange from water using biofunctional chitosan–cellulose composite: Experimental and DFT insights

Azzeddine Taoufyk, Khalid El Marhraoui, Abderrazzak Boudouma, Maryam Chafiq, Abdelkarim Chaouiki, Lahoucine Bahsis and Mahfoud Agunaou

Journal of Industrial and Engineering Chemistry, 2025, 151, 576
DOI: 10.1016/j.jiec.2025.04.030

ChemInform Abstract: Perchloric Acid Modified‐Cellulose: A Versatile, Novel and Biodegradable Heterogeneous Solid Acid Catalyst for Single‐Pot Synthesis of Novel Bis‐pyran Annulated Heterocyclic Scaffolds under Solvent‐Free Conditions.

Tabassum Khan and Zeba N. Siddiqui

ChemInform, 2015, 46
DOI: 10.1002/chin.201511192

MCM-41 supported perchloric acid for efficient synthesis of 3,4-dihydropyrimidin-2-(1H)-ones via Biginelli reaction

Kulsum Khan and Zeba N. Siddiqui

Monatsh Chem, 2015, 146, 2097
DOI: 10.1007/s00706-015-1468-x

Nano-cellulose-OSO3H as a new, green, and effective nano-catalyst for one-pot synthesis of pyrano [4,3-b] pyrans

B. Sadeghi and M. H. Sowlat Tafti

J IRAN CHEM SOC, 2016, 13, 1375
DOI: 10.1007/s13738-016-0852-8

A facile green synthesis of MgCoFe2O4 nanomaterials with robust catalytic performance in the synthesis of pyrano[2,3-d]pyrimidinedione and their bis-derivatives

Monireh Atarod, Javad Safari, Maryam Tavakolizadeh and Ali Pourjavadi

Mol Divers, 2021, 25, 2183
DOI: 10.1007/s11030-020-10111-4

A highly efficacious method for the synthesis of spiro-4H-pyran and 4H-pyran derivatives using BQC as the catalyst and investigating on their in vitro antibacterial activity

Mahdiye Ghasemi, Narges Seyedi, Farhad Shirini and Bahman Sharifzaheh

Res Chem Intermed, 2025, 51, 3091
DOI: 10.1007/s11164-025-05600-w

Synthesis of chromene analogues via oxidative cleavage of 1,2-diols

Narasashetty Jagadishbabu and Ankusab Noorahmadsab Nadaf

J Chem Sci, 2025, 137
DOI: 10.1007/s12039-025-02374-x

Synthesis of functionalized chromene and spirochromenes using l -proline-melamine as highly efficient and recyclable homogeneous catalyst at room temperature

Sakkani Nagaraju, Banoth Paplal, Kota Sathish, Santanab Giri and Dhurke Kashinath

Tetrahedron Letters, 2017, 58, 4200
DOI: 10.1016/j.tetlet.2017.09.060

DMAP-Promoted Cascade Reaction of α-Ketoester with Benzylidene- Malononitrile: Access Polyfunctionalized 2-Amino-3-Cyano-4H-Pyran Containing Ester Motifs

Chuan-Bao Zhang, Hong-Tao Wang, Ze-Yue Zhao, Li-Fang Lou, Jiang-Tao Zhao, Yang Geng, Bai-Qiang Zhai and Ye Tian

LOC, 2023, 20, 495
DOI: 10.2174/1570178620666230131145824

CF3 functionalized pyridinyl α-aminophosphonates as potential antimicrobials: Green synthesis, bio-assay, DFT calculations, molecular docking and ADMET studies

Poojitha Bellala, Mohan Gundluru, Kranthi Kumar Konidala, Suneetha Yeguvapalli, Pushpavathi Itte, Sumithra Poreddy, Santhisudha Sarva and Suresh Reddy Cirandur

Journal of Molecular Structure, 2026, 1349, 143549
DOI: 10.1016/j.molstruc.2025.143549

Revisiting the Betti Synthesis: Using a Cheap, Readily Available, Recyclable Clay Catalyst under Solventless Conditions

Giovanna Bosica, Roderick Abdilla and Kaylie Demanuele

Eur J Org Chem, 2018, 2018, 6127
DOI: 10.1002/ejoc.201800826

[DMImd-DMP]: A highly efficient and reusable catalyst for the synthesis of 4H-benzo[b]pyran derivatives

Mohamed Abdenour Redouane, Naima Khiri-Meribout, Saida Benzerka and Abdelmadjid Debache

Heterocyclic Communications, 2019, 25, 167
DOI: 10.1515/hc-2019-0025

MgO-MgAl2O4: An Efficient Catalyst for Multicomponent Synthesis of Substituted 4H-pyran

Mustapha Dib, Marieme Kacem, Soumaya Talbi, Hajiba Ouchetto, Khadija Ouchetto, Abdellatif Essoumhi, Abderrafia Hafid and Mostafa Khouili

CCB, 2023, 17, 160
DOI: 10.2174/2212796817666230626120825

β-Cyclodextrine-SO3H: the most efficient catalyst for one-pot synthesis of 2H-indazolo[2,1-b]phthalazine-triones under solvent-free conditions

Amol B. Atar, Sang Dong Lee, Byung Gwon Cho, Dae Won Cho and Yeon Tae Jeong

Res Chem Intermed, 2016, 42, 1707
DOI: 10.1007/s11164-015-2113-3

Fe3O4@HNTs-Cellulose-HClO4: New Heterogeneous Catalyst for Smooth and Effective Synthesis of 4H-Pyran and 4H-Chromene Derivatives

Vitisha V. Vikhe, Amruta K. Mhaske, Vitthal K. Vikhe, Bhagwat K. Uphade and Anil G. Gadhave

Catal Surv Asia, 2025, 29, 249
DOI: 10.1007/s10563-025-09452-7

Oreganón, perejil, cilantro, hierbabuena y albahaca a través de difracción de rayos x

Sugey López-Martínez, Jesús Enrique Chan-Jiménez, Eduardo Salvador Hernández López and Ana Rosa Rodríguez-Luna

BIOTECNIA, 2023, 25, 113
DOI: 10.18633/biotecnia.v25i3.1862

An efficient and practical synthesis of specially 2-amino-4H-pyrans catalyzed by C4(DABCO-SO3H)2·4Cl

Omid Goli-Jolodar, Frahad Shirini and Mohadeseh Seddighi

Dyes and Pigments, 2016, 133, 292
DOI: 10.1016/j.dyepig.2016.06.001