• Title/Summary/Keyword: Perfluoro Compound

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New Synthetic Method of Perfluoro-Silanes for the Stable Electrolyte of Lithium Ion Battery Application

  • Koh, Kyungkuk;Sohn, Honglae
    • Journal of Integrative Natural Science
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    • v.10 no.3
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    • pp.171-174
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    • 2017
  • Non-hydrolyzable fluorinated organosilicon compounds as an eletrolyte for the application of lithium-ion batteries (LIB) are synthesized. New synthetic method for the perfluorinated organosilicon compound containing spacer such as ethyl and propyl group with cyano moiety instead of ethylene glycol to prevent hydrolysis and to promote conductivity are developed in one pot reaction with moderately high yield. Air-sensitive boron trifluoride etherate is no longer required in this reaction. The products are characterized by spectroscopic analysis.

Synthesis of Perfluorinated Heterocyclic Compounds Having a Long Alkyl Chain Functionality by 1,3-Dipolar Cycloaddition

  • Lee, Chan-Woo;Hwang, Ho-Yun;Park, Joo-Yuen;Chi, Ki-Whan
    • Bulletin of the Korean Chemical Society
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    • v.31 no.5
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    • pp.1305-1308
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    • 2010
  • Regioselective perfluorinated isoxazolidine (5 and 7), isoxazoline (9) and 1,2-addition products (6 and 8) having a long alkyl chain functionality have been prepared by 1,3-dipolar cycloaddition between a 1,3-dipole (NH-nitrone or nitrile oxide) and dipolarophile (perfluoro-2-methyl-2-pentene or styrene), respectively. Interestingly, unusual extended conjugated form of isoxazoline adduct (10) was obtained by dehydrofluorinated reaction from the corresponding perfluorinated isoxazoline adduct (9) which was derived from cycloadition between the perfluorinated long alkyl nitrile oxide 1,3-diplole and styrene olefin. This synthetic methodology of heterocyclic compound having a long alkyl chain functionality is useful for the designing of synthetic strategy and potential self-assembled monolayers (SAM) application. These derivatives were characterized by IR, $^1H$ and $^{19}F$ NMR, and MASS analysis.