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Which of the following reagents can be u...

Which of the following reagents can be used for the reaction given below ?

A

Cold, dilute aqueous `KMnO_4, OH^-`

B

`OsO_(4)+NaHSO_(3)`

C

`O_(3)//H_(2)+Pt`

D

`MMPP+C_2H_5OH` and then `(H_3O^+)``/H_2O`

Text Solution

Verified by Experts

The correct Answer is:
d.
`(a)` and `(b)` give syn`-` hydroxylation.
`(c)` breaks the double bond.
`(d)` gives anti `-` hydroxylation, since in `(B)` two `(OH)` groups are in anti `-`position
[One `(OH)` is doen and one `(OH)` is in up position, so anti `-` position]
[Both `(OH)` in equatorial position]
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