Esmail Rezaei‐Seresht

Hakim Sabzevari University

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Behnam Mahdavi

Hakim Sabzevari University

Reza Tayebee

Hakim Sabzevari University

Behrooz Maleki

Hakim Sabzevari University

Behnaz Abdi

Hakim Sabzevari University

Sara Taghizadeh

Hakim Sabzevari University

Farokhzad M. Zonoz

Hakim Sabzevari University

Hasan Rezaei-Seresht

Sabzevar University of Medical Sciences

Neda Golari

Ferdowsi University of Mashhad

Mehrdad Hadadian

Hakim Sabzevari University

Sirous Salemi

Hakim Sabzevari University

Cooperative Institutions

Hakim Sabzevari University

Sabzevar University of Medical Sciences

Ferdowsi University of Mashhad

Ilam University

Medical University of Ilam

University of Mazandaran

Payame Noor University

Tarbiat Modares University

Chemistry and Chemical Engineering Research Center of Iran

Islamic Azad University, Mashhad

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KG-60-Piperazine as a New Heterogeneous Catalyst for Gewald Three-Component Reaction

Synthetic Communications (2013)

Esmail Rezaei‐Seresht Reza Tayebee Mohammad Yasemi

Abstract Piperazine supported on amorphous silica (KG-60-piperazine) as a basic catalyst acts in the Gewald three-component reaction of some aldehydes and ketones with malononitrile as well as ethyl cyanoacetate. The catalyst shows general utility with a variety of starting carbonyl compounds. Moreover, the catalyst can be reused for four additional cycles without significant loss of the activity. Supplemental materials are available for this article. Go to the publisher's online edition of Synthetic Communications® to view the free supplemental file.

Piperazine

Ethyl cyanoacetate

Component (thermodynamics)

Amorphous silica

10.1080/00397911.2012.674607

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Citations (26)

Nanocomposite Fe₃O₄@GO-NH as a Reusable Heterogeneous Catalyst for the Three-component Synthesis of 2-Amino-4H-chromenes

Organic Preparations and Procedures International (2022)

Esmail Rezaei‐Seresht Sahar Noroozi Behnam Mahdavi

Component (thermodynamics)

10.1080/00304948.2022.2034463

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Citations (1)

Corrigendum to “ZnO/AgSbO3 as an improved nanophotocatalyst in the synthesis of some naphthopyranopyrimidines” [Inorg. Chem. Commun. Volume 170, Part 1, (2024) 113212]

Inorganic Chemistry Communications (2024)

Behnaz Abdi Reza Tayebee Esmail Rezaei‐Seresht Farokhzad M. Zonoz Roozbeh Mofidian

10.1016/j.inoche.2024.113308

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Citations (0)

One-Pot Synthesis of Bicyclic ortho-Aminocarbonitrile and Multisubstituted Cyclohexa-1,3-dienamine Derivatives

Organic Preparations and Procedures International (2017)

Behrooz Maleki Roghaie Rooky Esmail Rezaei‐Seresht Reza Tayebee

Creation of molecular functionality and diversity1 from common starting materials while mindful of economic and environmental considerations constitutes a great challenge in modern organic chemistr...

10.1080/00304948.2017.1384282

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Citations (28)

ChemInform Abstract: KG‐60‐Piperazine as a New Heterogeneous Catalyst for Gewald Three‐Component Reaction.

ChemInform (2013)

Esmail Rezaei‐Seresht Reza Tayebee Mohammad Yasemi

Abstract Carbonyl compounds (I) react with malononitrile as well as ethyl cyanoacetate and sulfur in the presence of catalytic amounts of piperazine supported on amorphous silica to furnish aminothiophene derivatives (III) (14 examples) in good yield.

Piperazine

Ethyl cyanoacetate

Component (thermodynamics)

Amorphous silica

Claus process

10.1002/chin.201340102

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Citations (0)

Microwave-Assisted Solvent-Free Acetylation of Some Alcohols Catalyzed by Keggin-Type Heteropoly Acids

Industrial & Engineering Chemistry Research (2011)

Esmail Rezaei‐Seresht Farokhzad Mohammadi Zonoz Mahmoud Estiri Reza Tayebee

An efficient and selective solvent-free protocol is illustrated for the acetylation of alcohols via the exposure of neat reactants under microwave (MW) irradiation, in conjunction with the mediation of acidic H5PM10V2O40 (M = W, Mo) and some other mixed-addenda Keggin-type heteropolyoxometallates as catalysts in really short reaction times (<5 min). The two above-modified catalysts showed good catalytic activity in the acetylation protocol and revealed more reactivity than the Si-substituted H7SiW9V3O40, H4SiW9Mo3O40, and H5SiW9Mo2VO40 catalysts. In this methodology, water is the only byproduct and, notably, the aspect of effluent treatments does not arise. The salient features of this high yield protocol were enhancement of the reaction rate and the experimental ease of manipulation.

Reactivity

10.1021/ie101641t

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Citations (21)

KG-60-piperazine as an efficient heterogeneous catalyst for three-component synthesis of 2-amino-2H-chromenes

Research on Chemical Intermediates (2014)

Neda Golari Mohammad Rahimizadeh Mehdi Bakavoli Esmail Rezaei‐Seresht

Piperazine

Reusability

Reaction conditions

Component (thermodynamics)

10.1007/s11164-014-1718-2