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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 44, 2014 - Issue 18
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Original Articles

Synthesis of 6-Amino-2,4-dihydropyrano[2,3-c]pyrazol-5-carbonitriles Catalyzed by Silica-Supported Tetramethylguanidine Under Solvent-Free Conditions

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Pages 2679-2691 | Received 05 Feb 2014, Published online: 02 Jul 2014

Keep up to date with the latest research on this topic with citation updates for this article.

Read on this site (6)

Fatemeh Mir, Nourallah Hazeri, Malek Taher Maghsoodlou & Mojtaba Lashkari. (2023) Synthesis of Pyrazolopyranopyrimidine and Dihydropyrano[2,3-c]Pyrazole Derivatives Using Fe3O4@THAM-Piperazine as a Superparamagnetic Nanocatalyst under Green Condition. Polycyclic Aromatic Compounds 43:6, pages 5375-5390.
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Raman Singh, Rajneesh Kaur, Priyanka Ahlawat, Parul Kaushik & Kuldeep Singh. (2021) Green Methods for the Synthesis of Pyrazoles: A Review. Organic Preparations and Procedures International 53:4, pages 317-351.
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Articles from other publishers (33)

Ahmed Talal Ali, Ahmed Ibrahim Hamzah, A. H. Shather, Ali Jihad Hemid Al-Athari, Amjad I. Oraibi & Haider Abdulkareem Almashhadani. (2024) Post-synthetic generation of nanomagnetized tetraaza-copper (II): as a novel heterogeneous catalyst for synthesis of fused N-heterocycles. Research on Chemical Intermediates 50:3, pages 1371-1391.
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Saba Farooq & Zainab Ngaini. (2024) Recent Synthesis of Mono‐ & Bis‐Pyranopyrazole Derivatives. ChemistrySelect 9:8.
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Ashok R. Yadav, Ashishkumar P. Katariya, Anant B. Kanagare, Pramod D. Jawale Patil, Chandrakant K. Tagad, Satish A. Dake, Pratik A. Nagwade & Satish U. Deshmukh. (2024) Review on advancements of pyranopyrazole: synthetic routes and their medicinal applications. Molecular Diversity.
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Rehab Tahseen alhayo, Ghufran Sh. Jassim, Hasanain Amer Naji, A. H. Shather, Israa Habeeb Naser, Luay Ali Khaleel & Haider Abdulkareem Almashhadani. (2023) An Fe 3 O 4 supported O -phenylenediamine based tetraaza Schiff base-Cu( ii ) complex as a novel nanomagnetic catalytic system for synthesis of pyrano[2,3- c ]pyrazoles . Nanoscale Advances 5:24, pages 7018-7030.
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Shaheen A. Shaikh, Vishal S. Kamble, Rohan K. Zemase, Sanjay K. Patil & Balasaheb D. Aghav. (2023) A green and one-pot synthesis of 6-amino-1,4-dihydropyrano[2,3-c]-pyrazole-5-carbonitrile derivatives using CoCeO2 nanoparticles as an efficient, reusable and heterogeneous catalyst. Research on Chemical Intermediates.
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Maryam Neysi & Dawood Elhamifar. (2023) Yolk-shell structured magnetic mesoporous organosilica supported ionic liquid/Cu complex: an efficient nanocatalyst for the green synthesis of pyranopyrazoles. Frontiers in Chemistry 11.
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Masoud Mohammadi, Arash Ghorbani-Choghamarani & Noorullah Hussain–Khil. (2023) l–aspartic acid chelan–Cu (II) complex coted on ZrFe2O4 MNPs catalyzed one–pot annulation and cooperative geminal-vinylogous anomeric–based oxidation reactions. Journal of Physics and Chemistry of Solids 177, pages 111300.
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Masoumeh Beiranvand & Davood Habibi. (2022) Design, preparation and application of the semicarbazide-pyridoyl-sulfonic acid-based nanocatalyst for the synthesis of pyranopyrazoles. Scientific Reports 12:1.
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Hedieh Rostami, Lotfi Shiri & Zahra Khani. (2022) Recent advances in the synthesis of pyrazole scaffolds via nanoparticles: A review. Tetrahedron 110, pages 132688.
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Mahla Dadaei & Hossein Naeimi. (2021) Nano cobalt ferrite encapsulated‐silica particles bearing melamine as an easily recyclable catalyst for the synthesis of dihydropyrano[2,3‐ c ]pyrazoles under green conditions . Applied Organometallic Chemistry 35:10.
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Atif Mustafa, Shaheen Siddiqui, Mohd Umar Khan, Abdulaziz Abdullah Qasem Ali & Zeba N. Siddiqui. (2021) Recent Advances in Synthesis of Pyrazole Derivatives using Functionalized Catalysts Immobilized on Silica. ChemistrySelect 6:33, pages 8611-8629.
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Ishita Yellapurkar, Sonal Bhabal, M. M. V. Ramana, Kundan Jangam, Vaibhav Salve, Sunil Patange & Paresh More. (2021) Magnesium ferrichromate nanoparticles: an efficient and recyclable catalyst in the synthesis of pyrano[2,3-c]pyrazole derivatives. Research on Chemical Intermediates 47:7, pages 2669-2687.
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Sana Sikandar, Ameer Fawad Zahoor, Sajjad Ahmad, Muhammad Naveed Anjum, Mirza Nadeem Ahmad & Muhammad Sami Ullah Shah. (2020) L-Cysteine Catalyzed Environmentally Benign One-pot Multicomponent Approach Towards the Synthesis of Dihydropyrano[2,3-c]pyrazole Derivatives. Current Organic Synthesis 17:6, pages 457-463.
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Shahriar Karami, Mohammad G. Dekamin, Ehsan Valiey & Peyman Shakib. (2020) DABA MNPs: a new and efficient magnetic bifunctional nanocatalyst for the green synthesis of biologically active pyrano[2,3- c ]pyrazole and benzylpyrazolyl coumarin derivatives . New Journal of Chemistry 44:33, pages 13952-13961.
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Nina Hosseini Mohtasham & Mostafa Gholizadeh. (2020) Nano silica extracted from horsetail plant as a natural silica support for the synthesis of H3PW12O40 immobilized on aminated magnetic nanoparticles (Fe3O4@SiO2-EP-NH-HPA): a novel and efficient heterogeneous nanocatalyst for the green one-pot synthesis of pyrano[2,3-c]pyrazole derivatives. Research on Chemical Intermediates 46:6, pages 3037-3066.
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Amol Balu Atar, Eunbi Han & Jongmin Kang. (2019) FeF3-mediated tandem annulation: a highly efficient one-pot synthesis of functionalized N-methyl-3-nitro-4H-pyrimido [2, 1-b] [1, 3] benzothiazole-2-amine derivatives under neat conditions. Molecular Diversity 24:2, pages 443-453.
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Nagarajan Nagasundaram, Murugesan Kokila, Paramasivam Sivaguru, Rajendiran Santhosh & Appaswami Lalitha. (2020) SO3H@carbon powder derived from waste orange peel: An efficient, nano-sized greener catalyst for the synthesis of dihydropyrano[2,3-c]pyrazole derivatives. Advanced Powder Technology 31:4, pages 1516-1528.
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Behrouz Eftekhari far & Masoud Nasr‐Esfahani. (2019) Synthesis, characterization and application of Fe 3 O 4 @SiO 2 @CPTMO@DEA‐SO 3 H nanoparticles supported on bentonite nanoclay as a magnetic catalyst for the synthesis of 1,4‐dihydropyrano[2,3‐c]pyrazoles . Applied Organometallic Chemistry 34:3.
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Mehrnoush Tamimi, Majid M. Heravi, Masoud Mirzaei, Vahideh Zadsirjan, Nahid Lotfian & Hossein Eshtiagh‐Hosseini. (2019) Ag 3 [PMo 12 O 40 ]: An efficient and green catalyst for the synthesis of highly functionalized pyran‐annulated heterocycles via multicomponent reaction . Applied Organometallic Chemistry 33:9.
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Maryam Neysi, Ali Zarnegaryan & Dawood Elhamifar. (2019) Core–shell structured magnetic silica supported propylamine/molybdate complexes: an efficient and magnetically recoverable nanocatalyst. New Journal of Chemistry 43:31, pages 12283-12291.
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U. P. Patil, Rupesh C. Patil & Suresh S. Patil. (2019) An Eco‐friendly Catalytic System for One‐pot Multicomponent Synthesis of Diverse and Densely Functionalized Pyranopyrazole and Benzochromene Derivatives. Journal of Heterocyclic Chemistry 56:7, pages 1898-1913.
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Zoleikha Hajizadeh & Ali Maleki. (2018) Poly(ethylene imine)-modified magnetic halloysite nanotubes: A novel, efficient and recyclable catalyst for the synthesis of dihydropyrano[2,3-c]pyrazole derivatives. Molecular Catalysis 460, pages 87-93.
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Sandeep V. H. S. Bhaskaruni, Suresh Maddila, Werner E. van Zyl & Sreekantha B. Jonnalagadda. (2018) An efficient and green approach for the synthesis of 2,4-dihydropyrano[2,3- c ]pyrazole-3-carboxylates using Bi 2 O 3 /ZrO 2 as a reusable catalyst . RSC Advances 8:29, pages 16336-16343.
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Ahmad Reza Moosavi‐Zare, Hamid Goudarziafshar & Khadijeh Saki. (2017) Synthesis of pyranopyrazoles using nano‐Fe‐[phenylsalicylaldiminemethylpyranopyrazole]Cl 2 as a new Schiff base complex and catalyst . Applied Organometallic Chemistry 32:1.
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Amol Maruti Jadhav, Suresh Kumar Krishnammagari, Jong Tae Kim & Yeon Tae Jeong. (2017) A highly efficient and recyclable silica-supported tungstic acid (STA) catalyst for the synthesis of pyrano[3,2- c ]chromen-5-ones under solvent free conditions. Tetrahedron 73:34, pages 5163-5169.
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Masoumeh Zakeri, Mohamed Mahmoud Nasef, Tina Kargaran, Arshad Ahmad, Ebrahim Abouzari-Lotf & Jahanbakhsh Asadi. (2016) Synthesis of pyrano[2,3-c]pyrazoles by ionic liquids under green and eco-safe conditions. Research on Chemical Intermediates 43:2, pages 717-728.
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Rajesh H. Vekariya, Kinjal D. Patel & Hitesh D. Patel. (2016) Fruit juice of Citrus limon as a biodegradable and reusable catalyst for facile, eco-friendly and green synthesis of 3,4-disubstituted isoxazol-5(4H)-ones and dihydropyrano[2,3-c]-pyrazole derivatives. Research on Chemical Intermediates 42:10, pages 7559-7579.
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Ahmad Reza Moosavi-Zare, Mohammad Ali Zolfigol & Ahmad Mousavi-Tashar. (2016) Synthesis of pyranopyrazole derivatives by in situ generation of trityl carbocation under mild and neutral media. Research on Chemical Intermediates 42:10, pages 7305-7312.
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Ahmad Reza Moosavi-Zare, Mohammad Ali Zolfigol, Rasoul Salehi-Moratab & Ehsan Noroozizadeh. (2016) Catalytic application of 1-(carboxymethyl)pyridinium iodide on the synthesis of pyranopyrazole derivatives. Journal of Molecular Catalysis A: Chemical 415, pages 144-150.
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Rajesh H. Vekariya, Kinjal D. Patel & Hitesh D. Patel. (2015) A green and one-pot synthesis of a library of 1,4-dihydropyrano[2,3-c]-pyrazole-5-carbonitrile derivatives using thiourea dioxide (TUD) as an efficient and reusable organocatalyst. Research on Chemical Intermediates 42:5, pages 4683-4696.
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Amol B. Atar, Sang Dong Lee, Byung Gwon Cho, Dae Won Cho & Yeon Tae Jeong. (2015) β-Cyclodextrine-SO3H: the most efficient catalyst for one-pot synthesis of 2H-indazolo[2,1-b]phthalazine-triones under solvent-free conditions. Research on Chemical Intermediates 42:3, pages 1707-1728.
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Clementina M.M. Santos & Artur M.S. Silva. 2015. 465 529 .
Amol B. Atar, Jong Tae Kim, Kwon Taek Lim & Yeon Tae Jeong. (2015) ChemInform Abstract: Synthesis of 6‐Amino‐2,4‐dihydropyrano[2,3‐c]pyrazol‐5‐carbonitriles Catalyzed by Silica‐Supported Tetramethylguanidine under Solvent‐Free Conditions.. ChemInform 46:4.
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