Polyvinylpolypyrrolidone-Supported Boron Trifluoride; Highly Efficient Catalyst for the Synthesis of N-tert-Butyl Amides by Masoud Mokhtary, Faranak Najafizadeh

“…Selective amidation of benzonitrile in the presence of acetonitrile was also achieved. polyvinylpolypyrrolidone-boron trifluoride complex shows non-corrosive and stable solid catalyst elevated Lewis acid property.…”
Get full text

Mechanical Properties of Polyethylene-Carbon Nanotube Composites Synthesized by In Situ Polymerization Using Metallocene Catalysts by Mamdouh A. Al-Harthi, Bijal Kottukkal Bahuleyan

“…The influence of multiwalled carbon nanotubes (MWCNTs) on the properties of polyethylene prepared by in situ polymerization using metallocene catalyst (Cp2ZrCl2) in combination with methylaluminoxane has been studied. …”
Get full text

Performance evaluation of bio/chemical leaching solution and nano catalyst in upgrading and enhancing oil recovery by Mohammad Hossein Shabani, Parya Torkaman, Hamidreza Farshadfar, Arezou Jafari, Seyyed Mohammad Mousavi

Subjects: “…Bioleached base catalyst…”
Get full text

Workflow-driven catalytic modulation from single-atom catalysts to Au–alloy clusters on graphene by Gabriel Reynald Da Silva, João Paulo Cerqueira Felix, Celso R. C. Rêgo, Alexandre C. Dias, Carlos Maciel de O. Bastos, Maurício J. Piotrowski, Diego Guedes-Sobrinho

“…Abstract Gold-based (Au) nanostructures are efficient catalysts for CO oxidation, hydrogen evolution (HER), and oxygen evolution (OER) reactions, but stabilizing them on graphene (Gr) is challenging due to weak affinity from delocalized $$p_{z}$$ carbon orbitals. …”
Get full text

Hydrotalcite as an Efficient and Reusable Catalyst for Acylation of Phenols, Amines and Thiols Under Solvent-free Conditions by A. R. Massah, R. J. Kalbasi, M. Toghiani, B. Hojati, M. Adibnejad

“…Eco-friendly conditions and reusability of the catalyst are the most important advantages of this protocol.…”
Get full text

Reforming of Ethanol to Produce Hydrogen over PtRuMg/ZrO2 Catalyst by Josh Y. Z. Chiou, Chi-Han Wang, Shih-Yi Yang, Jia-Lin Bi, Chia-Chieh Shen, Chen-Bin Wang

“…A modified PtRu/ZrO2 catalyst with Mg is evaluated for the oxidative steam reforming of ethanol (OSRE) and the steam reforming of ethanol (SRE). …”
Get full text

Kinetics of Transesterification of Croton megalocarpus Oil Using Alkaline Earth Catalysts with Conventional and Microwave Heating by Anil Kumar, Henry K. Kiriamiti

“…Catalysts NaOH, BaO, SrO, and Nano CaO gave a good FAME yield (>50%), and reaction order and rate constant have been reported for these catalysts, for both conventional heating and microwave irradiation. …”
Get full text

Pride as a Catalyst for Student Engagement and Performance: The Roles of Psychological Capital and Teacher-Student Relationships by Muhammad Qasim, Syed Tahir Hussain Rizvi

Get full text

Catalytic Allylic Chlorination of Natural Terpenic Olefins Using Supported and Nonsupported Lewis Acid Catalysts by Ayoub Abdelkader Mekkaoui, Mouhsine Laayati, Hamza Orfi, Larbi El Firdoussi, Soufiane El Houssame

“…The scope and limitations of transition metal-based Lewis acid catalysts, stoichiometry, and substrate structure were evaluated. …”
Get full text

Cyanuric Chloride as an Efficient Catalyst for the Synthesis of 2,3-Unsaturated O-Glycosides by Ferrier Rearrangement by Xiaojuan Yang, Na Li

“…Cyanuric chloride has been found to be an efficient catalyst for the synthesis of 2,3-unsaturated O-glycosides from the reaction of 3,4,6-tri-O-acetyl-D-glucal and a wide range of alcohols in dichloromethane at room temperature. …”
Get full text

Exploring the influence of copper precursors and solvents on catalyst performance in the hydrogenation of hydroxyacetone to 1,2-Propanediol by Martina Cazzolaro, Jia Yang, De Chen

“…This study proposes the impregnation of silica gel with copper acetate dissolved in water as a valid alternative for the preparation of catalysts for hydrogenation of oxygenates. Copper precursors demonstrated a significant impact on the catalytic properties of the samples here prepared. …”
Get full text

Oxidative Dehydrogenation of n-Butane over LaV Catalysts Supported on TiO2 by Le Minh Cam, Ngo Duc Huyen, Nguyen Ngoc Ha

“…The catalysts were characterized by means of TPD-NH3, TPR-H2, UV-Vis, and BET. …”
Get full text

Contact ion-pair SN2 reactions activated by Lewis Base Phase transfer catalysts by Ju Gyeong Jeong, Young-Ho Oh, Tae Hyun Park, Sung-Sik Lee, Dong Wook Kim, Sungyul Lee

“…This study provides crucial evidences for the reactions of CIP metal salts facilitated by Lewis base phase transfer catalysts (PTCs) [2,2,2]-cryptand, 18-crown-6, pentaethylene glycols (pentaEGs) and BINOL–based pentaEG. …”
Get full text

The Seren Taun Experience: A Catalyst for Sustainable Cultural Tourism and Visitor Loyalty in West Java by Riski Taufik Hidayah, Simerjeet Singh Bawa, Gusni Gusni, Eristy Minda Utami

Get full text

Zirconyl (IV) Nitrate as Efficient and Reusable Solid Lewis Acid Catalyst for the Synthesis of Benzimidazole Derivatives by Pratapsinha B. Gorepatil, Yogesh D. Mane, Vilas S. Ingle

“…The present paper introduces a simple and efficient method for the synthesis of substituted benzimidazoles by heterocyclization of different o-phenylenediamines and substituted aromatic carboxylic acid/aldehyde in the presence of zirconyl nitrate as catalyst in ethanol under reflux, which produced excellent yield of corresponding benzimidazoles in a short reaction time with reusability of catalyst.…”
Get full text

Oxidation of Styrene to Benzaldehyde Using Environmentally Friendly Calcium Sulfate Hemihydrate-Supported Titania Catalysts by Soerja Koesnarpadi, Teguh Wirawan, Mukhamad Nurhadi, Wirhanuddin Wirhanuddin, Yuniar Ponco Prananto, Nazarudin Nazarudin, Volkan Degirmenci, Sin Yuan Lai, Hadi Nur

“…The CSH-Titania catalysts were synthesized using fish bone-derived CSH as a support, which aligns with green chemistry principles. …”
Get full text

Artificial Intelligence as a Catalyst for Management System Adaptability, Agility and Resilience: Mapping the Research Agenda by Ion Popa, Simona Cătălina Ștefan, Andrei Josan, Corina-Elena Mircioiu, Nicoleta Căruceru

Get full text

Probing the Catalytic Efficiency of Supported Heteropoly Acids for Esterification: Effect of Weak Catalyst Support Interactions by Ali Alsalme, Aliyah A. Alsharif, Hamda Al-Enizi, Mujeeb Khan, Saad G. Alshammari, Mshari A. Alotaibi, Rais Ahmad Khan, Mohammed Rafiq H. Siddiqui

“…The catalytic efficiency of both bulk and supported HPW catalysts for the esterification activity strongly depends on the type of support and amount of catalyst; the bulk HPW catalyst and the catalyst supported by kaolinite with 25 wt.% of HPW exhibited highest activity. …”
Get full text

Tribromomelamine: A Novel and Efficient Catalyst for the Synthesis 2-Arylthiazolines under Solvent-free Conditions by Liqiang Wu

“…A novel procedure for the synthesis of 2-arylthiazolines through one-pot condensation of of nitriles with 2-aminoethanethiol in the presence of tribromomelamine as catalyst under solvent-free conditions is described.…”
Get full text

In-Situ Polymerization for Catalytic Graphitization of Boronated PAN Using Aluminum and Zirconium Containing Co-Catalysts by Taewoo Kim, Byoung-Suhk Kim, Tae Hoon Ko, Hak Yong Kim

Subjects: Get full text