In the addition of bromine to trans-anethole (structure on page 209), the reason

Question

In the addition of bromine to trans-anethole (structure on page 209), the reason more anti rather than syn addition product is formed is that

a)There is probably some steric hinderance taking place between substituents attached to the double bonded carbons

b)Anti addition takes place first and the trans-anethole left over the reacts by syn addition

c)Isotopic variations of the chlorine atoms shifts the ratio in favor of anti addition

d)No stable carbocation intermediate is formed when syn addition takes place

Explanation / Answer

a)There is probably some steric hinderance taking place between substituents attached to the double bonded carbons is correct

and syn compound is formed in very low proportion

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