91Ó°ÊÓ

(a) Butan-2-one reacts with diethylamine in presence of sodium triacetoxyborohydride to give the final product as N,N-diethylbutan-2-amine.

reaction a

(b) 4-fluoropyridine on treatment with sodium ethoxide gives the product as 4-ethoxypyridine.

reaction b

(c) 3-nitroaniline on treatment with hydrochloric acid and sodium nitrite followed by copper bromide gives the final product as 3-bromoaniline.

reaction c

(d) Butan-2-one on treatment with potassium cyanide and hydrogen cyanide gives the initial product as 2-hydroxy-2-methylbutanenitrile, which on further eduction with lithium aluminum hydride gives the final product as 1-amino-2-methylbutan-2-ol.

reaction d

(e) Cyclopentanone reacts with aniline in presence of an acid to give the initial product as N-cyclopentylideneaniline, , which on further eduction with lithium aluminum hydride gives the final product as N-cyclopentylaniline.

reaction e

(f) 2-bromopetane on treatment with trimethylaniline gives the initial product as N,N,N-trimethylpentan-2-aminium, which on further treatement with silver oxide followed by heating gives the final products as pent-1-ene and trimethylamine.

reaction f

(g) Cyclohexanone on treatment with ethylamine in presence of an acid followed by the loss of a water molecule gives the product as N-cyclohexylideneethanamine.

reaction g

(h) Cyclohexanone on treatment with diethylamine followed by reduction with sodium triacetoxyborohydride gives the product as N-ethylcyclohexanamine.

reaction h

(i) The given compound on treatment with hydrogen peroxide followed by heating gives the product as 3,3-dimethylcyclohex-1-ene.

reaction i

(j) The given compound on treatment with excess methyl iodide followed by another treatment with silver oxide and heating gives the product as as shown below.

reaction j