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Original Articles

Microwave-Induced Conversion of Stabilized Phosphorus Ylides to Electron-Poor 2H-Cheromenes in the Presence of Silica Gel Powder in Solvent-Free Conditions

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Pages 2725-2729 | Received 06 Apr 2006, Accepted 06 Jun 2006, Published online: 22 Nov 2006

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Read on this site (12)

Ali Ramazani, Yavar Ahmadi, Hamideh Aghahosseini & Sang Woo Joo. (2016) “β-Cyclodextrin nano-reactor”-catalyzed synthesis of 2H-chromene-2,3-dicarboxylates from in-situ-generated stabilized phosphorus ylides via intramolecular Wittig reaction in water. Phosphorus, Sulfur, and Silicon and the Related Elements 191:3, pages 354-358.
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Ali Ramazani, Fatemeh Zeinali Nasrabadi, Hamideh Ahankar, Pegah Azimzadeh Asiabi, Fariba Sadri & Sang Woo Joo. (2016) The reaction of N-isocyaniminotriphenylphosphorane (NICITPP) with 2-oxopropyl-1-benzenecarbothioate and a primary amine in the presence of benzoic acid derivatives. Phosphorus, Sulfur, and Silicon and the Related Elements 191:2, pages 230-234.
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Hamideh Ahankar, Ali Ramazani & Yavar Ahmadi. (2014) The Reaction of N-Isocyaniminotriphenylphosphorane with Cyclopentanone and A Primary Amine in the Presence of An E-Cinnamic Acid Derivative. Phosphorus, Sulfur, and Silicon and the Related Elements 189:7-8, pages 914-923.
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Ghasem Marandi, Niloufar Akbarzadeh Torbati, Reza Heydari, Nourallah Hazeri, Sayyed Mostafa Habibi-Khorassani, Malek Taher Maghsoodlou, Belghais Adrom, BrianW. Skelton & Mohamed Makha. (2012) Solvent-Free Conditions as an Eco-Friendly Strategy for Synthesis of Organophosphorus Compounds. Phosphorus, Sulfur, and Silicon and the Related Elements 187:12, pages 1450-1461.
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Javad Azizian, Akram Sadat Delbari, Khadijeh Yadollahzadeh & Hasan Tahermansouri. (2012) One-Pot Stereoselective Synthesis of Dialkyl Phosphorylsuccinates from Phthalhydrazide, Activated Acetylenes, and Trialkyl(Aryl) Phosphites. Phosphorus, Sulfur, and Silicon and the Related Elements 187:1, pages 71-78.
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Ali Ramazani, Aram Rezaei, Amir Mahyari, Morteza Rouhani, Mehdi Khoobi, Elham Yaaghubi, Hana Shabrendi, Esmail Vessally, Vahid Azizkhani, Issa Amini, Hamed Lashgari, Ghafar Noohi, Zahra Shaghaghi & Fariba Sadri. (2011) Silica Gel Promotes Cascade Synthesis of 2-(Heteroaryl)acetamide Derivatives from Isocyanides, Dialkylamines, and Heteroarylcarbaldehydes. Synthetic Communications 41:10, pages 1444-1454.
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Javad Azizian, Ali Ramazani & Mohammad Haji. (2011) Preparation of α-Ketophosphonate Derivatives and Their Application in the Synthesis of 1-(N-Alkylcarbamoyl)-1-(diethoxyphosphoryl)alkyl Benzoates via Passerini Reaction. Phosphorus, Sulfur, and Silicon and the Related Elements 186:2, pages 326-333.
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Azam Farshadi, Ali Ramazani, Amir Tofangchi Mahyari, Mehdi Khoobi, Yavar Ahmadi & Fatemeh Zeinali Nasrabadi. (2010) Triphenylphosphine-Catalyzed Preparation of Sterically Congested, Electron-Poor N-Vinylimidazole Derivatives from Acetylenic Esters and Imidazole-Containing NH-Acids. Phosphorus, Sulfur, and Silicon and the Related Elements 185:12, pages 2489-2495.
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Nahid Shajari & Ali Ramazani. (2010) Synthesis of Heterocyclic Pentavalent Phosphorus Compounds from Phosphite Derivatives and Indane-1,2,3-Trione. Phosphorus, Sulfur, and Silicon and the Related Elements 185:9, pages 1850-1857.
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Ali Ramazani, Sadegh Salmanpour & Ali Souldozi. (2009) (N-Isocyanimino)triphenylphosphorane-Catalyzed Stereoselective O-Vinylation of N-Hydroxyimides. Phosphorus, Sulfur, and Silicon and the Related Elements 185:1, pages 97-102.
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Nader Noshiranzadeh, Ali Ramazani, Katarzyna Ślepokura & Tadeusz Lis. (2008) Novel Stereoselective Synthesis of Densely Functionalized 2H‐Indeno[2,1‐b]furans. Synthetic Communications 38:10, pages 1560-1568.
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Articles from other publishers (11)

Ali Ramazani, Fatemeh Zeinali Nasrabadi, Katarzyna Ślepokura, Tadeusz Lis & Sang Woo Joo. (2017) Regioselective and Stereoselective Addition of Tetrazole Derivatives to Electron-poor Acetylenic Esters in the Presence of Triphenylphosphine. Journal of Heterocyclic Chemistry 54:1, pages 55-64.
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I.L. Odinets & D.V. Aleksanyan. 2014. Comprehensive Organic Synthesis II. Comprehensive Organic Synthesis II 175 209 .
Ali Ramazani, Robabe Kalhor, Aram Rezaei & Zahra Karimi. (2012) Four-component synthesis of disubstituted 1,3,4-oxadiazole derivatives from cinnamaldehyde, an aromatic carboxylic acid, a secondary amine, and N-isocyaniminotriphenylphosphorane. Heteroatom Chemistry 23:4, pages 315-321.
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Ali Ramazani, Fatemeh Zeinali Nasrabadi & Yavar Ahmadi. (2011) One‐Pot, Four‐Component Synthesis of Fully Substituted 1,3,4‐Oxadiazole Derivatives from (Isocyanoimino)triphenylphosphorane, a Primary Amine, an Aromatic Carboxylic Acid, and Chloroacetone. Helvetica Chimica Acta 94:6, pages 1024-1029.
Crossref
Ali Ramazani, Amir Mahyari, Hamed Lashgari, Katarzyna Ślepokura & Tadeusz Lis. (2011) Silica Nanoparticles as a Highly Efficient Catalyst for the One‐Pot Synthesis of 2‐Hydroxyacetamide Derivatives from Isocyanides and Electron‐Poor Aromatic Aldehydes. Helvetica Chimica Acta 94:4, pages 611-622.
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Ali Ramazani & Amir Mahyari. (2010) Three-Component Reaction of Isocyanides and 2-Formylbenzoic Acid with Dibenzylamine Catalyzed by Silica Nanoparticles under Solvent-Free Conditions. Helvetica Chimica Acta 93:11, pages 2203-2209.
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Sakineh Asghari, Maryam Faraji-Najjarkolaee & Mohammad Ahmadipour. (2010) Regioselective vinylation of kojic acid using acetylenic esters in the presence of triphenylphosphine or tert-butyl isocyanide. Monatshefte für Chemie - Chemical Monthly 141:7, pages 781-786.
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Ali Ramazani & Aram Rezaei. (2010) Novel One-Pot, Four-Component Condensation Reaction: An Efficient Approach for the Synthesis of 2,5-Disubstituted 1,3,4-Oxadiazole Derivatives by a Ugi-4CR/ aza -Wittig Sequence . Organic Letters 12:12, pages 2852-2855.
Crossref
Ali Ramazani, Nader Noshiranzadeh, Alieh Ghamkhari, Katarzyna Ślepokura & Tadeusz Lis. (2008) One‐Pot Diastereoselective Synthesis of Densely Functionalized 2 H ‐Indeno[2,1‐ b ]furans. Single‐Crystal X‐Ray Structure of Dimethyl 8,8a‐Dihydro‐8‐oxo‐8a‐(2,2,2‐trichloroethoxy)‐2 H ‐indeno[2,1‐ b ]furan‐2,3‐di­carboxylate . Helvetica Chimica Acta 91:12, pages 2252-2261.
Crossref
Ebrahim Ahmadi, Ali Ramazani & Mehdi Nekomanesh Haghighi. (2007) A novel four-component reaction of diethylamine, an aromatic aldehyde and an alkyl isocyanide with dialkyl acetylenedicarboxylates in the presence of silica gel: an efficient route for the regio- and stereoselective synthesis of sterically congested alkenes. Tetrahedron Letters 48:39, pages 6954-6957.
Crossref
Ali Souldozi & Ali Ramazani. (2007) The reaction of (N-isocyanimino)triphenylphosphorane with benzoic acid derivatives: a novel synthesis of 2-aryl-1,3,4-oxadiazole derivatives. Tetrahedron Letters 48:9, pages 1549-1551.
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