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All articles of this category Treatment of 7-phenyl-6-heptynal dimethyl acetal with iodotrimethylsilane afforded 2-(1-iodobenzylidene)cyclohexyl methyl ether via the intramolecular nucleophilic attack of the carbon-carbon triple bond to the oxonium ion generated by the action of iodotrimethylsilane. iodotrimethylsilane - cyclization - 6-alkynal acetal - oxonium ion - vinyl iodide
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Takami et al. (2001) studied this question.
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