Results 31 to 40 of about 12,704 (308)
Mild One-step Synthesis of Dibromo Compounds from Cyclic Ethers [PDF]
A novel one-step method for mildly converting cyclic ethers into dibromo compounds is reported. Alcohols, oximes, aldehydes, and ketones are known to react under Appel or Corey–Fuchs reaction conditions, but apparently these have never been applied to ...
Udo H. Brinker (1470559) +1 more
core +1 more source
Metal-Free Regioselective Cross Dehydrogenative Coupling of Cyclic Ethers and Aryl Carbonyls [PDF]
A highly regioselective, efficient, and metal-free oxidative cross dehydrogenative coupling (CDC) of aryl carbonyls with cyclic ethers has been developed. This method offers easy access to substituted α-arylated cyclic ethers with a high functional group
Kumar Vanka (1378884) +3 more
core +3 more sources
In light of the small ring strain of five/six-membered cyclic ethers, constructing complex molecules via ring-opening reactions has consistently been a highly challenging topic in organic synthesis.
Dandan Jiang +5 more
doaj +1 more source
Occupational exposure to glycidyl ethers [PDF]
"Glycidyl ethers are characterized by the presence of a three-carbon chain with an epoxide group and an ether linkage. This recommended standard applies to monoglycidyl ethers and diglycidyl ethers that contain an alkyl group, an aromatic group, or a ...
core +1 more source
Insertion reactions of organochlorosilanes with cyclic ethers [PDF]
Phenyl glycidyl ether and allyl glycidyl ether (3-phenoxy- and 3-allyloxy-1,2-epoxypropane) cause fission of the silicon---chlorine bonds in a number of alkylchlorosilanes to form chloro-substituted alkoxysilanes.
Maire, J. C. +3 more
core +1 more source
Thermophysical properties of binary mixtures of N,N-dimethylformamide with three cyclic ethers [PDF]
Densities and viscosities of the binary mixtures consisting of tetrahydrofuran (THF), 1,3-dioxolane (1,3-DO) and 1,4-dioxane (1,4-DO) with N,N-dimethylformamide (DMF) over the entire range of composition were measured at temperatures 298.15, 308.15 ...
Sinha Biswajit +4 more
doaj +1 more source
A one-pot, two-step approach to prepare 2-tetrahydrofuran and -pyran substituted 1,3-dicarbonyl compounds by PhI=NTs-mediated amination/Brønsted base-catalyzed cross dehydrogenative coupling (CDC) reaction of the cyclic ether and 1,3-dicarbonyl ...
Ciputra Tejo +6 more
doaj +1 more source
Reactivity of Nitrovinylquinones with Cyclic and Acyclic Enol Ethers [PDF]
The nitrovinyl-substituted quinones 2-(2-nitrovinyl)-1,4-benzoquinone and 2-(2-nitrovinyl)-1,4-naphthoquinone react with a variety of cyclic and acyclic enol ethers via two competing pathways.
Brant L. Kedrowski (2431753) +1 more
core +1 more source
Carboazidation of Terminal Alkenes with Trimethylsilyl Azide and Cyclic Ethers Catalyzed by Copper Powder under Oxidative Conditions [PDF]
Copper-catalyzed carboazidation of alkenes with trimethylsilyl azide and cyclic ethers has been achieved. The employment of naturally abundant copper catalysts allowed cyclic ethers to be used as alkylating reagents under oxidative conditions. The use of
Yuichi Ikemoto (5368601) +5 more
core +1 more source
Identification and quantitation of lipid-bound short-chain diols
Procedures are described for the hydrolysis of neutral lipid fractions containing long-chain esters and alk-1-enyl ethers of short-chain diols, and for the identification and quantitation of the constituent diols as long-chain cyclic acetals using gas ...
E. Schupp, W.J. Baumann
doaj +1 more source

