1.

Which of the following yields propyl amine?

Answer»

`CH_(3)CH_(2)Broverset(1.NaCN)underset(2.LiAIH_(4))(rarr)`
`CH_(3)CH_(2)CHO overset(NH_(3))underset(H_(2)//Ni)(rarr)`
`CH_(3)CH_(2)CH_(2)overset(O)overset(||)(C)NH_(2)underset(OH)overset(Br_(2))(rarr)`
`CH_(3)COOH+N_(3)Hoverset(H^(+))(rarr)`

Solution :(a)`CH_(3)CH_(2)Broverset(CN^(-))(rarr)CH_(3)CH_(2)CNoverset("LiAIH"_(4))(rarr)CH_(3)CH_(2)CH_(2)NH_(2)`
(b)`CH_(3)CH_(2)CHOoverset(NH_(3))(rarr)CH_(3)CH_(2)overset(O)overset(||)(CH)-NH_(2)overset(H_(2))underset(Ni)(rarr)CH_(3)CH_(2)CH_(2)NH_(2)`
( c) `CH_(3)CH_(2)CH_(2)CONH_(2)overset(Br_(2))underset(OH^(-))(rarr)CH_(3)CH_(2)CH_(2)NH_(2)`


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