amidines (benzene compounds)amidines (acyclic compounds)Thereactionofalkynessuchas(I)withhexaalkylguanidiniumchlorides(II)providesnovelorthoamidederivativeswhichareconvertedintopropiolamidiniumhalides,triflates,andtetraphenylboratesdoi:10.1002/chin.201119074
Based on the adsorption potential theory, this paper processes and analyzes the isothermal adsorption data at different temperatures of four coal samples with different ranks. The research results indicate that the adsorption characteristic curve of methane adsorbed on the coal sample is a single curve,...
The reaction of [ReOCl(3)(PPh(3))(2)] with the tridentate ligands 2,6-dithiomethylpyridine (4) or 6-thiomethyl-2-pyridinemethanol (5) and the appropriate monothiols, such as para-substituted benzenethiols (C(6)H(4)X-4-SH) (where X=F, Cl,... X Chen,FJ Femia,JW Babich,.....
Pingshuo coal was extracted with CS_2, n-hexane,benzene, methanol,acetone, tetrahydrofuran(THF) and THF/methanol(1:3,v/v) mixed solvent sequentially.The extracts were analyzed with GC/MS.It is presented that group seperation of soluble organic compounds in the coal can be achieved by fraction...
The interaction mechanism and characteristic evaluation of ethyIbenzene/chlorobenzene binary mixtures treated by ozone-assisted UV254nm photodegradation[J].{H}Separation and purification technology 2014,132(1).CHENG Zhuowei SUN Pengfei JIANG Yifeng . The interaction mechanism and characteristic evaluation of...
Reaction of guaiazulene (1) with a 0.5 molar amount of phthalaldehyde in a mixed solvent of acetonitrile and diethyl ether in the presence of hexafluorophosphoric acid at 25掳C under aerobic conditions rapidly gives the title dicarbocation compound, 1,2-bis(3-guaiazulenylmethylium)benzene bis...
tris(perfluoroalkyl)benzenecyclo-trimerizationperfluoroalkylbenzeneCyclotrimerization of perfluoroalkyl- and perfluorooxaalkylacetylenes has been studied under various conditions. A scheme of the reaction mechanim has been suggested.doi:10.1007/BF00703489D. V. Batizat...
Reaction of guaiazulene (1) with a 0.5 molar amount of phthalaldehyde in a mixed solvent of acetonitrile and diethyl ether in the presence of hexafluorophosphoric acid at 25掳C under aerobic conditions rapidly gives the title dicarbocation compound, 1,2-bis(3-guaiazulenylmethylium)benzene bis...
Divinylbenzene monomers are dispersed into organic solution, which is then added with azobisisobutyronitrile as initiator, after stirring, the solution is poured into a reaction kettle, and the mesoporous polymer material is synthesized by a solvent thermal process. The method of the invention avoids ...
Thermodynamically, the sorption strategy was a spontaneous reaction and exothermic. According to the findings, SiO2/CS had the potential to serve as an effectual sorbent for U(VI) displacement. Keywords: chitosan; silicon dioxide; sorption; uranium; kinetics ...