1.

Which of the following procedures would be best for preparing isobutylisopropylamine, (CH_(3))_(2)CHNHCH_(2)CH(CH_(3))_(2)?

Answer»

`(CH_(3))_(2)CHBr+(CH_(3))_(2)CHCH_(2)NH_(2)`
(i) `(CH_(3))_(2)CHBr+(CH_(3))_(2)CHCONHNa` (ii) `LiAlH_(4)` in ETHER
(i) `(CH_(3))_(2)CHNH_(2)+(CH_(3))_(2)CHCH=O` (ii) `H_(2)` & PT
`(CH_(3))_(2)CHNH+(CH_(3))_(2)CHNH_(2)`

Solution :`CH_(3)-underset(CH_(3))underset(|)CH-Br+aN-NH-OVERSET(O)overset(||)C-underset(CH_(3))underset(|)CH-CH_(3)toCH_(3)-underset(CH_(3))underset(|)CH-NH-CH_(2)-underset(CH_(3))underset(|)CH-CH_(3)`


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