Results 1 to 10 of about 15,949 (256)
Multi-functional epoxides cross-linked collagen sponges for tissue engineering scaffolds
Collagen and Leather, 2023 With the efficient cross-linking abilities and the flexible regulation abilities to the performances of cross-linked products, the multi-functional aliphatic epoxides were once widely used to cross-link the collagen-based materials in the last century ...
Yuanzhi Zhang +5 more
doaj +1 more source
Reactions of α-4(20)-epoxy-5-O-mesyltriacetyltaxicine I induced by Bf3·Et2O/Bu4NBr [PDF]
Journal of the Serbian Chemical Society, 2006 The reaction of α-4(20)-epoxy-5-O-mesyltriacetyltaxicine I (2) with BF3·Et2O/Bu4NBr can give rise to 4 different products. Each of these products can be obtained selectively, under the appropriate reaction conditions.
Ferjančić Zorana +3 more
doaj +1 more source
Crystals, 2021 Two Co(II)-based metal–organic frameworks (MOFs) with open channels, [(CH3)2NH2]2[Co5L(H2O)8]·4H2O (1) and [Co6L(DMF)2(H2O)8]·2H2O (2), were synthesized using resorcin[4]arene ligand (H12L).
Bing-Bing Lu +4 more
doaj +1 more source
Molecules, 2020 We report on the regio- and stereoselective synthesis of tetrahydrofurans by reaction between epoxides and alkenes in the presence of a Lewis acid. This is an unprecedented formal [3+2] cycloaddition reaction between an epoxide and an alkene.
Víctor E. Macías-Villamizar +3 more
doaj +1 more source
Allylic alcohols and amines by carbenoid eliminative cross-coupling using epoxides or aziridines
Beilstein Journal of Organic Chemistry, 2021 α-Lithiated terminal epoxides and N-(tert-butylsulfonyl)aziridines undergo eliminative cross-coupling with α-lithio ethers, to give convergent access to allylic alcohols and allylic amines, respectively.
Matthew J. Fleming, David M. Hodgson
doaj +1 more source
Lubricants, 2021 In the present investigation, in-situ epoxidation of waste cooking oil and its methyl esters was prepared, and the rheological behavior was analyzed for biolubricant applications.
Atanu Kumar Paul +2 more
doaj +1 more source
Formation and metabolism in vitro of 5,6-epoxides of cholesterol and β-sitosterol
Journal of Lipid Research, 1974 The formation of 5α,6α- and 5β,6β-epoxides of cholesterol and β-sitosterol in rat liver subcellular fractions has been studied. The results show that the epoxidation seems to occur only in connection with the nonspecific tissue oxidation of the sterols ...
Leif Aringer, Peter Eneroth
doaj +1 more source
Lubricants, 2018 Research on the formulation of estolides from plant seed oils has attracted substantial attention due to their favorable low-temperature properties and environmentally friendly nature. The present research investigates the formulation of canola biodiesel
Venu Babu Borugadda, Ajay K. Dalai
doaj +1 more source
Regioselective and Stereoselective Epoxidation of n-3 and n-6 Fatty Acids by Fungal Peroxygenases
Antioxidants, 2021 Epoxide metabolites from n-3 and n-6 polyunsaturated fatty acids arouse interest thanks to their physiological and pharmacological activities. Their chemical synthesis has significant drawbacks, and enzymes emerge as an alternative with potentially ...
Alejandro González-Benjumea +6 more
doaj +1 more source
MECHANISMS OF SUNFLOWER OIL TRANSFORMING INTO FORCED THERMAL OXIDATION PROCESSES [PDF]
Journal of Engineering Science (Chişinău), 2020 This article investigates the processes that take place during the forced thermooxidation of sunflower oil. The results obtained in the study showed a major impact of thermo-oxidation. (90 ± 2 °C.
STURZA, Rodica +4 more
doaj +1 more source