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Solve Choose the right reagent or series of reagents from the one listedbelow to

ID: 689723 • Letter: S

Question

Solve Choose the right reagent or series of reagents from the one listedbelow to prepare hexanal from 1-hexyne.
Solve Option 1. H2,Lindlar cat. followed by H2O, H+ Option 2. H2O,H2SO4, HgSO4 Option 3. HCl (2 equiv) Option 4. disiamylboranefollowed by H2O2, HO– Option 5. NaNH2,followed by H2O, H+ Choose the right reagent or series of reagents from the one listedbelow to prepare hexanal from 1-hexyne. Solve Option 1. H2,Lindlar cat. followed by H2O, H+ Option 2. H2O,H2SO4, HgSO4 Option 3. HCl (2 equiv) Option 4. disiamylboranefollowed by H2O2, HO- Option 5. NaNH2,followed by H2O, H+

Explanation / Answer

The aldehyde was formed via an anti-markovnikov addition, thushydroboration wasused. The reagent is: disiamylborane followedby H2O2,HO–

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