20.2 Outline a procedure for separating a mixture
20.2 Outline a procedure for separating a mixture
20.2 Outline a procedure for separating a mixture
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(a)<br />
(b)<br />
(c)<br />
O<br />
HNO 3<br />
Br NaNH2<br />
C NH 2<br />
NH 3<br />
+ Br 2 + NaOH<br />
NO 2<br />
NH 2<br />
Fe HCl<br />
NH2<br />
NH 2<br />
+ CO 3 2-<br />
<strong>20.2</strong>5 Show how you might synthesize each of the following compounds from butyl alcohol:<br />
(a) Butylamine (free of 2 。 and 3 。<br />
(b) Pentylamine<br />
(c) Propylamine<br />
OH<br />
OH<br />
HBr<br />
amines)<br />
HBr<br />
OH Br<br />
K 2Cr 2O 7<br />
(d) Butylmethylamine<br />
NH2<br />
CH 3I<br />
O<br />
OH<br />
NH 3<br />
Br<br />
1.<br />
O<br />
O<br />
NK<br />
2. NH 2NH 2<br />
1. NaCN<br />
2. LiAlH 4<br />
O<br />
NH 2<br />
Br 2 / OH -<br />
<strong>20.2</strong>6 Show how you might convert aniline into each of the following compounds. (You need not<br />
repeat steps carried out in earlier parts of this problem.)<br />
(a) Acetanilide<br />
NH 2 NH C<br />
(CH 3CO) 2O<br />
(b) N-Phenylphthalimide<br />
O<br />
NH<br />
NH 2<br />
NH2<br />
NH 2
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