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Prepare pentan-1-ol from (a) Pent-1-1ene...

Prepare pentan`-1-ol` from (a) Pent-1-1ene, (b) 1-Bromopentane, (c ) 1-Bromobutane and (d ) 1-Bromopropane.

Text Solution

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(a) `underset("Pent-1-ene")(CH_(3)CH_(2)CH_(2)OCH)underset(THF)overset(B_(2)H_(6))(rarr)(CH_(3)CH_(2)CH_(2)CH_(2)CH_(2))_(3)Bunderset(OH^(-))overset(H_(2)O_(2))(rarr)underset("Pentan-1-ol")(CH_(3)CH_(2)CH_(2)CH_(2)CH_(2)OH)`
(b) `underset("1-Bromopentane")(CH_(3)CH_(2)CH_(2)CH_(2)CH_(2)Br)overset(OH^(-)//H_(2)O)(rarr)underset("Pentan-1-ol")(CH_(3)CH_(2)CH_(2)CH_(2)CH_(2)OH)+HBr`
(c ) `underset("1-Bromobutane")(CH_(3)CH_(2)CH_(2)CH_(2)Br)underset("Ether")overset(Mg)(rarr)CH_(3)CH_(2)CH_(2)CH_(2)MgBroverset(HCHO)(rarr)CH_(3)CH_(2)CH_(2)CH_(2)underset(H)underset(|)overset(H)overset(|)(C)OMgBrunderset(H^(+))overset(H_(2)O)(rarr)CH_(3)CH_(2)CH_(2)CH_(2)CH_(2)OH`
(d) `underset("1-Bromopropane")(CH_(3)CH_(2)CH_(2)Br)underset("Ether")overset(Mg)(rarr)CH_(3)CH_(2)CH_(2)MgBroverset("Ethylene oxide")(rarr)CH_(3)CH_(2)CH_(2)CH_(2)CH_(2)OMgBroverset(H^(+))(rarr)CH_(3)CH_(2)CH_(2)CH_(2)CH_(2)OH`
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