1.

Ph-CH_(2)-overset(CH_(2))overset(|)underset((+))CH-OHoverset(TaCl)rarrXoverset(KSH)rarrY:

Answer»

`X " is "Ph-underset((+))CH_(2)-overset(CH_(3))overset(|)CH-OTs`
`X " is "Ph--CH_(2)-underset((-))overset(CH_(3))overset(|)CH-OTs`
`Y " is "Ph-underset((-))CH_(2)-overset(CH_(3))overset(|)CH-SH`
`Y" is "Ph-underset((+))CH_(2)-overset(CH_(3))overset(|)CH-SH`

ANSWER :A::C


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