Which one of the following reaction conditions best describes the reaction sequence for the oxymercuration-demercuration?

1. H g (O A c)_{2}, H_{2} O, T H F

2. N a B H_{4}, H^{+}

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1. H g (O A c)_{2}, H_{2} O, T H F

2. N a B H_{4}, H O^{-}

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1. H g (O A c) c, H_{2} O, T H F

2. N a B H_{4}, H O^{-}

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1. H g (O A c)_{2}, H O^{-}, T H F

2. N a B H_{4}, H_{2} O

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Solution

The correct option is B $1. H g (O A c)_{2}, H_{2} O, T H F$ $2. N a B H_{4}, H O^{-}$

The Oxymercuration reaction is an electrophilic organic reaction that transforms an alkene into a neutral alcohol.

The oxymercuration reaction is almost always treated with sodium borohydride $(N a B H_{4})$ in an aqueous base in a reaction called demercuration. In demercuration, the acetoxy mercury group is replaced with a hydrogen in a stereochemically insensitive reaction known as reductive elimination. The combination of oxymercuration followed immediately by demercuration is called an oxymercuration–demercuration reaction.

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