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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 25, 1995 - Issue 15
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Original Articles

Envirocat EPZG® as a New Heterogenous Catalyst for the Solvent-Free Tetrahydropyranylation of Alcohols and Phenols

B. P. Bandgar Department of Chemstry, P. G. and Research Centre, R.B.N.B. College, Shrirampur, 413-709 M.S., India
,
S. R. Jagtap Department of Chemstry, P. G. and Research Centre, R.B.N.B. College, Shrirampur, 413-709 M.S., India
,
B. B. Aghade Department of Chemstry, P. G. and Research Centre, R.B.N.B. College, Shrirampur, 413-709 M.S., India
&
P. P. Wadgaonkar Polymer Chem. Div., National Chemical Laboratory, Pune, 411008, M.S.
Pages 2211-2215 | Received 19 Dec 1994, Published online: 23 Sep 2006

Citations (26)

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Read on this site (8)

Dipankoj Gogoi, Nabajyoti Baruah & Ghanashyam Bez. (2007) Efficient and Ecofriendly Protocol for Tetrahydropyranylation/Depyranylation of Alcohols in the Presence of Tin(II) Chloride Dihydrate. Synthetic Communications 37:4, pages 593-597.
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Adrienn Hegedüs, Ilona Vígh & Zoltán Hell. (2004) Zeolite‐Catalyzed Environmentally Friendly Tetrahydropyranylation of Alcohols and Phenols. Synthetic Communications 34:22, pages 4145-4152.
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Nabajyoti Deka & JadabC. Sarma. (2000) Microwave Assisted Catalytic Protection and Deprotection of Alcohols with 3,4-Dihydro-2H-Pyran. Synthetic Communications 30:24, pages 4435-4441.
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MajidM. Heravi, Dariush Ajami And & Mitra Ghassemzadeh. (1999) Solvent free Tetrahydropyranylation of Alcohols and Phenols over Sulfuric Acid Adsorbed on Silica Gel. Synthetic Communications 29:6, pages 1013-1016.
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Zhengong Li & A. Ganesan. (1998) Poly(4-Vinylpyridinium P-Toluenesulfonate) as a Polymer-Supported Catalyst for Hydrolysis of Tetrahydropyranyl Ethers. Synthetic Communications 28:17, pages 3209-3212.
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A.S. Gajare, M.S. Shingare, V.R. Kulkarni, N.B. Barhate & R.D. Wakharkar. (1998) Natural Kaolinitic Clay and EPZG : Efficient Solid Catalysts for Selective Regeneration of Carboxylic Acids from Their Corresponding Allyl or Cinnamyl Esters.. Synthetic Communications 28:1, pages 25-33.
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Tímea Beregszászi & Árpád Molnár. (1997) Microwave-Assisted Acetalization of Carbonyl Compounds Catalyzed by Reusable Envirocat® Supported Reagents. Synthetic Communications 27:21, pages 3705-3709.
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S.P. Kasture, B.P. Bandgar, A. Sarkar & P.P. Wadgaonkar. (1996) Envirocat Epzg® as an Efficient Heterogenous Catalyst for Thioacetalization of Carbonyl Compounds. Synthetic Communications 26:8, pages 1579-1583.
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Articles from other publishers (18)

Brijesh Kumar, Mushtaq A. Aga, Abdul Rouf, Bhahwal A. Shah & Subhash C. Taneja. (2014) Tetrahydropyranyl ether (THPE) formation in hydroxyl group protection and conversion to other useful functionalities. RSC Adv. 4:40, pages 21121-21130.
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Stanisław Krompiec, Mateusz Penkala, Krzysztof Szczubiałka & Ewelina Kowalska. (2012) Transition metal compounds and complexes as catalysts in synthesis of acetals and orthoesters: Theoretical, mechanistic and practical aspects. Coordination Chemistry Reviews 256:17-18, pages 2057-2095.
Crossref
Giovanni Sartori & Raimondo Maggi. (2010) Update 1 of: Protection (and Deprotection) of Functional Groups in Organic Synthesis by Heterogeneous Catalysis. Chemical Reviews 110:3.
Crossref
Brijesh Kumar, Mushtaq A. Aga, Debaraj Mukherjee, Swapandeep S. Chimni & Subhash C. Taneja. (2009) Allyl tetrahydropyranyl ether: a versatile alcohol/thiol protecting reagent. Tetrahedron Letters 50:46, pages 6236-6240.
Crossref
Jiang Xuanzhen & Shen Zhenlu. (2005) Preparation of 3,4-dihydro-2H-pyran catalyzed by modified gamma alumina. Journal of Wuhan University of Technology-Mater. Sci. Ed. 20:1, pages 92-94.
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Yan-Guang Wang, Xiao-Xing Wu & Zhi-Yong Jiang. (2004) A mild and efficient selective tetrahydropyranylation of primary alcohols and deprotection of THP ethers of phenols and alcohols using PdCl2(CH3CN)2 as catalyst. Tetrahedron Letters 45:14, pages 2973-2976.
Crossref
Giovanni Sartori, Roberto Ballini, Franca Bigi, Giovanna Bosica, Raimondo Maggi & Paolo Righi. (2003) Protection (and Deprotection) of Functional Groups in Organic Synthesis by Heterogeneous Catalysis. Chemical Reviews 104:1, pages 199-250.
Crossref
Keith Martin. 2002. Handbook of Green Chemistry and Technology. Handbook of Green Chemistry and Technology 321 337 .
Vasudevan V Namboodiri & Rajender S Varma. (2002) Solvent-free tetrahydropyranylation (THP) of alcohols and phenols and their regeneration by catalytic aluminum chloride hexahydrate. Tetrahedron Letters 43:7, pages 1143-1146.
Crossref
B.M. Choudary, V. Neeraja & M. Lakshmi Kantam. (2001) Vanadyl(IV) acetate: a mild and efficient heterogeneous catalyst for the tetrahydropyranylation of alcohols, thiols and phenols. Journal of Molecular Catalysis A: Chemical 175:1-2, pages 169-172.
Crossref
Yung-Son Hon, Chia-Fu Lee, Rong-Jiunn Chen & Ping-Hui Szu. (2001) Acetonyltriphenylphosphonium bromide and its polymer-supported analogues as catalysts in protection and deprotection of alcohols as alkyl vinyl ethers. Tetrahedron 57:28, pages 5991-6001.
Crossref
Babasaheb P. Bandgar & Suhas P. Kasture. (2013) Envirocats, as Novel Solid‐Supported Catalysts for Friedel‐Crafts Acylation. Journal of the Chinese Chemical Society 47:6, pages 1243-1246.
Crossref
Yung-Son Hon & Chia-Fu Lee. (1999) Acetonyltriphenylphosphonium bromide in organic synthesis: An extremely efficient catalyst for the protection and deprotection of alcohols as alkyl vinyl ethers. Tetrahedron Letters 40:12, pages 2389-2392.
Crossref
Massimo Curini, Francesco Epifano, Maria Carla Marcotullio, Ornelio Rosati & Umberto Costantino. (1998) Zirconium sulfophenyl phosphonate as a heterogeneous catalyst in tetrahydropyranylation of alcohols and phenols. Tetrahedron Letters 39:44, pages 8159-8162.
Crossref
Béla Török & Árpàd Molnár. (1998) Electrophilic transformations induced by heteropoly acids: applications and structural studies. Comptes Rendus de l'Académie des Sciences - Series IIC - Chemistry 1:5-6, pages 381-396.
Crossref
Roberto Ballini, Franca Bigi, Silvia Carloni, Raimondo Maggi & Giovanni Sartori. (1997) Solvent free tetrahydropyranylation of phenols and alcohols over zeolites HSZ as reusable catalysts. Tetrahedron Letters 38:23, pages 4169-4172.
Crossref
Árpád Molnár & Tímea Beregszászi. (1996) Mild and efficient tetrahydropyranylation and deprotection of alcohols catalyzed by heteropoly acids. Tetrahedron Letters 37:47, pages 8597-8600.
Crossref
B. P. BANDGAR, S. R. JAGTAP, B. B. AGHADE & P. P. WADGAONKAR. (2010) ChemInform Abstract: Solid Supported Reagents and Reactions. Part 7. Envirocat EPZGR as a New Heterogeneous Catalyst for the Solvent‐Free Tetrahydropyranylation of Alcohols and Phenols.. ChemInform 26:42.
Crossref

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