What is/are the correct option(s) about the reaction given below and the product formed?
A
There is inversion of configuration of carbon 1 and 2 in the product
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B
There is inversion of configuration of carbon 1 but retention of carbon 2 in the product
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C
The product is
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D
There is inversion of configuration of carbon 2 but retention of carbon 1 in the product
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Solution
The correct options are C The product is
D There is inversion of configuration of carbon 2 but retention of carbon 1 in the product CH3MgBr attacks from less hindered side which leads to epoxy ring opening.
Due to change in CIP ordering there is inversion of configuration at C2.