Fritsch-Buttenberg-Wiechell rearrangement to alkynes from gem-dihaloalkenes with lanthanum metal |
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Authors: | Rui Umeda |
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Affiliation: | Faculty of Chemistry, Materials and Bioengineering, Kansai University, 3-3-35 Yamate-cho Suita, Osaka 564-8680, Japan |
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Abstract: | The first example of the FBW rearrangement using of lanthanum metal and a catalytic amount of iodine was disclosed. When gem-diiodo- and gem-dibromoalkenes were treated with lanthanum metal in the presence of a catalytic amount of iodine, the reductive dehalogenation of these compounds smoothly proceeded to produce the corresponding alkynes in moderate to good yields. |
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Keywords: | Lanthanum metal FBW rearrangement Alkynes gem-Dihaloalkenes |
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