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Identify the best reagents to convert 1-hexyne into (E)-1,2-dibromo-1-hexene.Select answer from the options below1 equiv. Br2, CCl41 equiv HBrxs HBrxs Br2, CCl41 equiv HBr, ROOR

Question

Identify the best reagents to convert 1-hexyne into (E)-1,2-dibromo-1-hexene.Select answer from the options below1 equiv. Br2, CCl41 equiv HBrxs HBrxs Br2, CCl41 equiv HBr, ROOR

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Solution

The best reagents to convert 1-hexyne into (E)-1,2-dibromo-1-hexene would be 1 equiv. Br2, CCl4.

Here's the step-by-step process:

  1. The reaction of 1-hexyne with 1 equivalent of Br2 in CCl4 will add two bromine atoms across the triple bond.

  2. The bromine atoms will add in an anti fashion, meaning they will be on opposite sides of the molecule, resulting in an (E)-1,2-dibromo-1-hexene product.

  3. The CCl4 is used as a solvent in this reaction. It's nonpolar and doesn't react with the reagents or the product, making it a good choice for this reaction.

The other options would not give the desired product. Excess HBr or Br2 would add more than two bromine atoms to the molecule, and HBr with ROOR would result in a different product.

This problem has been solved

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