A Alkynes can be made by dehydrohalogenation of vinylic halides in a reaction that is essentially an
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A Alkynes can be made by dehydrohalogenation of vinylic halides in a reaction that is essentially an E2 process. In studying the stereochemistry of this elimination, it was found that (Z)-2-chloro-2-butenedioic acid reacts 50 times as fast as the corresponding E isomer. What conclusion can you draw about the stereochemistry of eliminations in vinylic halides? How does this result compare with eliminations of alkylhalides?
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H CI |НO2с — С%3с—содн 1. Na* "NH2 2. Hзо* но-с—с3с-соон
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COH Z2Chloro2butene 14dioic acid HOC H HOC E2Chloro2butene 14dioic acid Hydrogen a...View the full answer
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