Results 21 to 30 of about 12,723 (118)

Synthesis of New 5-Aryl-benzo[f][1,7]naphthyridines via a Cascade Process (Ugi-3CR/Intramolecular Aza-Diels-Alder Cycloaddition)/Aromatization

Molecules, 2018
A series of eight new 5-aryl-benzo[f][1,7]naphthyridines were synthesized in 17 to 64% overall yields via an improved MW-assisted cascade-like one pot process (Ugi–three component reaction/intramolecular aza-Diels-Alder cycloaddition) coupled to an
Óscar Vázquez-Vera, Daniel Segura-Olvera, Mónica A. Rincón-Guevara, Atilano Gutiérrez-Carrillo, Miguel A. García-Sánchez, Ilich A. Ibarra, Leticia Lomas-Romero, Alejandro Islas-Jácome, Eduardo González-Zamora   +8 more
doaj   +1 more source

Increase in the Bioactive Potential of Olive Pomace Oil after Ultrasound-Assisted Maceration

Foods, 2023
Olive pomace oil is obtained when a mixture of olive pomace and residual water is subjected to a second centrifugation. This oil has small amounts of phenolic and volatile compounds compared with extra-virgin olive oil.
Daniela Rigo Guerra, Lidia Betina Hendges Pletsch, Suelen Priscila Santos, Silvino Sasso Robalo, Stéphanie Reis Ribeiro, Tatiana Emanuelli, Daniel Assumpção Bertuol, Alexandre José Cichoski, Roger Wagner, Milene Teixeira Barcia, Cristiano Augusto Ballus   +10 more
doaj   +1 more source

Kinetic study of propane aromatization over Zn/HZSM-5 zeolite under conditions of catalyst deactivation using genetic algorithm [PDF]

Journal of the Serbian Chemical Society, 2018
The kinetic studies of propane aromatization reaction over Zn/ /HZSM-5 catalyst at temperature of 500–560°C and space velocity of 500–2500 cm3 gcat -1 h-1, in a plug flow reactor, under catalyst deactivating conditions were performed.
Roshanaei Abbas, Alavi Mehdi Seyed
doaj   +1 more source

Efficient metal-free visible light photocatalytic aromatization of azaheterocyles

Current Research in Green and Sustainable Chemistry, 2021
A metal free visible light photocatalytic oxidative aromatization of several aromatic azaheterocycles is reported using a newly developed 1,8-dimethoxy substituted acridinium ions (PC-2).
Karan Chhetri, Samuzal Bhuyan, Susanta Mandal, Sonia Chhetri, Pema T. Lepcha, Sonam W. Lepcha, Joneswar Basumatary, Biswajit Gopal Roy   +7 more
doaj   +1 more source

A Fine Analysis of Zn Species Structure and Distribution in Zn/ZSM-5 Catalysts by Linear Combination Fitting Analysis of XANES Spectra

Molecules
Investigating the distribution of different Zn species on Zn-containing zeolite catalysts is crucial for identifying the active sites and establishing the relationship between the catalyst’s structure and its activity in the process of ethylene ...
Baichao Li, Jie Gao, Jiabei Shao, Rui Geng, Zhangfeng Qin, Jianguo Wang, Weibin Fan, Mei Dong   +7 more
doaj   +1 more source

Effect of Mentha x piperita L. and Mentha longifolia Flavoring on Physicochemical, Phenolic, Antioxidant, and Antimicrobial Properties of Algerian Apple Vinegar [PDF]

Research and Innovation in Food Science and Technology
This study evaluated the effect of flavoring apple vinegar with 250 mg of fresh leaves from Mentha x piperita L. (peppermint) and Mentha longifolia (long-leaf mint) in 25 mL of vinegar.
Dorea Ameur, Nouzha Heleili, Manel Merradi, Safia Belkhir   +3 more
doaj   +1 more source

Dynamics of the toxicity level change of hookah mixture aerosol in the storage process

Новые технологии, 2017
As a result of the studies, dynamics of the toxicity level change of the hookah mixture aerosol in the storage process during smoking was determined.
A. G. Mirgorodskaya, I. A. Reznichenko, M. V. Shkidyuk   +2 more
doaj  

Oregano and thyme by-products of olive oil aromatization process with microwave assisted extraction as a rich source of bio-active constituents

Frontiers in Nutrition
IntroductionProcessing of Medicinal Aromatic Plants (MAPs) results in the production of a significant amount of by-products, which are not commercially exploitable.
Evanthia Dina, Antigoni Cheilari, Argyro Vontzalidou, Dimitra Karamani, Ioanna Diamanti, Panagiotis Bagatzounis, Ilias Giannenas, Katerina Grigoriadou, Nektarios Aligiannis   +8 more
doaj   +1 more source

Pd/C–H₂-Catalyzed One-Pot Aromatization–Deoxygenation of Dihydropyridinediones: A Green, Scalable Route to Alkyl Pyridines

Chemistry
Alkyl-substituted pyridines are ubiquitous structural motifs found in natural products, pharmaceuticals, agrochemicals, and functional organic materials.
Susanta Mandal, Tushar Sharma Banstola, Dhan Maya Chettri, Kimron Protim Phukan, Biswajit Gopal Roy   +4 more
doaj   +1 more source

Aromatization patterns of hexane in high silicon zeolite [PDF]

E3S Web of Conferences
In this article, methods of preparation of catalysts in analogues of in high-silica zeolite, conversion of n-hexane in the catalysts keeping in high-silica zeolite, of n-hexane to aromatic hydrocarbons, n-hexane to aromatic hydrocarbons in catalysts with
Rаhmatov Khudoyor, Fayzullaev Normurot, Buronov Firdavsiy, Matmuratov Shavkat, Takhirov Yuldash, Rifky Mohamed, Dissanayake Kasun, Samadiy Murodjon   +7 more
doaj   +1 more source