what is oxmercurationdemercuration reaction
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Answer:
Oxymercuration-demercuration: A reaction in which an alkene is reacted with a Hg2+ salt and an oxygen nucleophile (water or an alcohol), to form an organomercury intermediate. The intermediate's carbon-mercury bond is then converted to a carbon-hydrogen bond by treatment with NaBH4.
Answer:
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Explanation:
The oxymercuration reaction is an electrophilic addition organic reaction that transforms an alkene into a neutral alcohol. In oxymercuration, the alkene reacts with mercuric acetate (AcO–Hg–OAc) in aqueous solution to yield the addition of an acetoxymercury (HgOAc) group and a hydroxy (OH) group across the double bond. Carbocations are not formed in this process and thus rearrangements are not observed. The reaction follows Markovnikov's rule (the hydroxy group will always be added to the more substituted carbon) and it is an anti addition (the two groups will be trans to each other).
Oxymercuration reduction .
Oxymercuration followed by reductive demercuration is called an oxymercuration–reduction reaction or oxymercuration–demercuration reaction. This reaction, which is almost always done in practice instead of oxymercuration, is treated at the conclusion of the article.