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KMID : 1059519960400090635
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Journal of the Korean Chemical Society
1996 Volume.40 No. 9 p.635 ~ p.639
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Synthesis of New Bis-Crown Ether (Ⅱ) : Bis-Crown Ether with Siloxane Moiety
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Chang Seung-Hyun
Kim Jae-Yong
Chung Kwang-Bo
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Abstract
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New bis-crown ether containing siloxane chain was synthesized. 1,3-Bis(trimethylsiloxy)-1,3-dimethyl-1,3-di(4'-ethylbenzo-18-crown-6) disiloxane (1) was synthesized by reaction of 4'-vinylbenzo-18-crown-6 with 1,3-bis(trimethylsiloxy)-1,3-dimethyl-1,3-disiloxane in the presence of Pt catalyst. 4'-Vinylbenzo-18-crown-6 was prepared through five-step reaction which started from the reaction of catechol and acetic anhydride.
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