نتایج جستجو برای: dehydrohalogenation
تعداد نتایج: 49 فیلتر نتایج به سال:
A series of trimethylsilyl-protected di-alkynes incorporating 3,4-ethylenedioxythiophene (EDOT) linker groups Me(3)Si-C≡C-R-C≡C-SiMe(3) (R = ethylenedioxythiophene-3,4-diyl 1a, 2,2'-bis-3,4-ethylenedioxythiophene-5,5'-diyl 2a, 2,2',5',2''-ter-3,4-ethylenedioxythiophene-5,5''-diyl 3a) and the corresponding terminal di-alkynes, H-C≡C-R-C≡C-H 1b-2b has been synthesized and characterized and the si...
Herein, we report the one-pot synthesis of an electron-poor nanographene containing dicarboximide groups at the corners. We efficiently combined palladium-catalyzed Suzuki-Miyaura cross-coupling and dehydrohalogenation to synthesize an extended two-dimensional π-scaffold of defined size in a single chemical operation starting from N-(2,6-diisopropylphenyl)-4,5-dibromo-1,8-naphthalimide and a te...
results of the bromination and dehydrobromination of several angular methylated decalindiones are described. the key reaction, base-induced cyclization of the monobromo keto ester (3), and the dibromo ketone (4), leads to the formation of tricyclic systems (6) and (9) respectively.
This paper describes results of a detailed literature review of the organic and inorganic by-products that have been identified as being formed in aqueous solution with four of the strong oxidizing/disinfecting agents commonly employed in drinking water treatment. These agents are: chlorine, chlorine dioxide, chloramine, and ozone. Significant findings include the production of similar nonchlor...
The formation of polyene-polyyne-based nanocomposites by dehydrohalogenation the drop-cast-deposited polyvinylidene fluoride, assessment and ion-induced tailoring their gas sensing properties are reported. investigated structure was analyzed scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy, transmission Fourier-transform infrared revealing thickness-dependent incomplete ...
(279)α Olefins VI Dehydrohalogenation of Alkyl Halides. Pyrolysis of Boric Esters of Higher Alcohols
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