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C. What alkene can be used to prepare each alcohol as the exclusive product of a two- step hydroboration-oxidaticn sequence?

Can anyone please help me solve these problems. I am having a difficult time and my final exam is tomorrowScreen Shot 2018-05-09 at 9.39.12 PM.png

Screen Shot 2018-05-09 at 9.39.12 PM.png

C. What alkene can be used to prepare each alcohol as the exclusive product of a two-
step hydroboration-oxidaticn sequence? H0 at )3 DH b} 0A
In) W cm
D. Draw the organic product when each alkyne is treated with two equivalents of HBr!
a} CH3CH2CHECH2 —C EC H b} HEC—CEc—CHS —..

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D) HBr will give H+ and that H+ will attack on alkyne and thus our carbocation will generate, Br- will attack... View the full answer

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