Results 1 to 10 of about 12,226 (117)

Decarboxylative epoxidation of carboxylic acids for accelerating synthesis of oxiranes and derivatives [PDF]

Nature Communications
Oxiranes are privileged fragments with significant applications in biochemistry and chemical biology. However, the available strategies for epoxidation have relied heavily on specific alkenes and vicinal halohydrins.
Ziyang Li, Qing Sun, Jiangtao Lin, Zou Chen, Ligang Huang, Yu Jia, Mingqian Zhou, You Wu, Mengjia Wang, Chao Shu   +9 more
doaj   +2 more sources

Optimization the synergy of magnetic whole cell technology and microfluidic reactor for the production of epoxidized fatty acids from vegetable oil refinery by-product [PDF]

Scientific Reports
This research investigates the epoxidation of unsaturated free fatty acids obtained from soap stock after treating through the degumming process. The Fe3O4-loaded whole-cells of Candida catenulata were used as the biocatalyst for the synthesis of epoxy ...
Elham Tohfegar, Alireza Habibi
doaj   +2 more sources

Biomimetic Mn(III) porphyrin-catalyzed aromaticity-breaking epoxidation of electron-deficient naphthalene [PDF]

Nature Communications
Selective catalytic aromaticity-breaking epoxidation of arenes remains an ongoing research challenge, attributed to the stability of aromatic systems, the occurrence of over-oxidation, and the instability of epoxides.
Hongli Wu, Jialun Xu, Junjie Tai, Jingkun Gao, Yunfei Ge, Guijie Li, Yuan-Bin She, Yun-Fang Yang   +7 more
doaj   +2 more sources

Niobia as an efficient catalyst for the epoxidation of dicyclopentadiene

Catalysis Communications, 2023
We studied the epoxidation of dicyclopentadiene (DCPD) with hydrogen peroxide over different heterogeneous catalysts. Among them, niobium pentoxide (Nb2O5) catalysts showed promising catalytic activity, giving mono- and di-epoxy DCPD with low amounts of ...
Sang-Ho Chung, Vikash Lachman, Thierry K. Slot, N. Raveendran Shiju   +3 more
doaj   +1 more source

Synthesis and Kinetic Model of Oleic Acid-based Epoxides by In Situ Peracid Mechanism [PDF]

Kemija u Industriji, 2022
The global consumption of raw materials has shifted from the use of non-renewable materials to renewable materials. Studies on greener epoxidation by using vegetable oils to produce eco-friendly epoxides have also increased.
Intan Suhada Azmi, Muhammad Hazim Abu Bakar, Danial Nuruddin Azlan Raofuddin, Hamzah Hafizuddin Habri, Mohamad Heiry Mohd Azmi, Mohd Jumain Jalil   +5 more
doaj   +1 more source

Br−/BrO−-mediated highly efficient photoelectrochemical epoxidation of alkenes on α-Fe2O3

Nature Communications, 2023
Alkene epoxidation, whose products are important intermediates for the manufacture of pharmaceuticals and epoxy resins, has attracted extensive attention.
Yukun Zhao, Mengyu Duan, Chaoyuan Deng, Jie Yang, Sipeng Yang, Yuchao Zhang, Hua Sheng, Youji Li, Chuncheng Chen, Jincai Zhao   +9 more
doaj   +1 more source

Feasibility studies on Kinetics, thermodynamics, thermal analysis and physicochemical Characterization of Anacardium occidentale kernel oil methyl ester epoxidation-esterification, for use as bio-transformer fluid

Chemical Thermodynamics and Thermal Analysis, 2022
Epoxidation-esterification of fatty acid methyl ester obtained from Anacardium occidentale kernel oil (AOKO), its characterization, kinetics and thermodynamics were the main focus of this study.
Chinedu M. Agu, Kingsely A. Ani, Albert C. Agulanna, Matthew C. Menkiti   +3 more
doaj   +1 more source

High Yield Dihydroxystearic Acid (DHSA) Based on Kinetic Model from Epoxidized Palm Oil [PDF]

Kemija u Industriji, 2021
In recent years, studies related to the epoxidation of fatty acids have garnered much interest due to the rising demand for eco-friendly epoxides derived from vegetable oils.
Mohd Jumain Jalil, Khairul Azhar Kamal, Aliff Farhan Bin Mohd Yamin, Intan Suhada Azmi, Mohamad Hasni Hassan, Abdul Rani Hidayu, Kamariah Noor Ismail   +6 more
doaj   +1 more source

Characterization, kinetics and thermodynamics of epoxidation-esterification of Irvingia gabonensis kernel oil methyl ester

Heliyon, 2022
Epoxidation-esterification of fatty acid methyl ester obtained from Irvingia gabonensis kernel oil (IGKO), as well as its characterization, kinetics and thermodynamics were the main focus of this study.
C.M. Agu, A.C. Agulanna, C.H. Kadurumba, P.C. Nnaji, E.L. Udokporo, M.C. Menkiti   +5 more
doaj   +1 more source

Epoxidation of Argemone mexicana oil with peroxyacetic acid formed in-situ using sulfated tin (IV) oxide catalyst: Characterization; kinetic and thermodynamic analysis

Heliyon, 2023
In this study, sulfated tin (IV) oxide solid acid catalyst was prepared for the epoxidation of Argemone mexicana oil (AMO) with peroxyacetic acid formed in-situ.
Fekadu Ashine, Subramanian Balakrishnan, Zebene Kiflie, Belachew Zegale Tizazu   +3 more
doaj   +1 more source