Problema 38c
Show how you would convert the following starting materials to the indicated nitriles:
(c) p-chloronitrobenzene → p-chlorobenzonitrile
Problema 39a
Show how each transformation may be accomplished by using a nitrile as an intermediate. You may use any necessary reagents.
(a) hexan-1-ol → heptan-1-amine
Problema 39b
Show how each transformation may be accomplished by using a nitrile as an intermediate. You may use any necessary reagents.
(b) cyclohexanecarboxamide → cyclohexyl ethyl ketone
Problema 39c
Show how each transformation may be accomplished by using a nitrile as an intermediate. You may use any necessary reagents.
(c) octan-1-ol → decan-2-one
Problema 40
Propose a mechanism for the reaction of methyl isocyanate with 1-naphthol to give Sevin® insecticide.
Problema 41a,b,c(ii)
For each heterocyclic compound,
(ii) show what compounds would result from complete hydrolysis.
(a)
(b)
(c)
Problema 41a,b,c(iii)
For each heterocyclic compound,
(iii) are any of the rings aromatic? Explain.
(a)
(b)
(c)
Problema 41a,b,c(i)
For each heterocyclic compound,
(i) explain what type of acid derivative is present.
(a)
(b)
(c)
Problema 41d
For each heterocyclic compound,
(i) explain what type of acid derivative is present.
(ii) show what compounds would result from complete hydrolysis.
(iii) are any of the rings aromatic? Explain.
(d)
Problema 41e
For each heterocyclic compound,
(i) explain what type of acid derivative is present.
(ii) show what compounds would result from complete hydrolysis.
(iii) are any of the rings aromatic? Explain.
(e)
Problema 41f
For each heterocyclic compound,
(i) explain what type of acid derivative is present.
(ii) show what compounds would result from complete hydrolysis.
(iii) are any of the rings aromatic? Explain.
(f)
Problema 42a,b,c
Draw structures to correspond with the following common and systematic names:
(a) phenyl formate
(b) cyclohexyl benzoate
(c) cyclopentyl phenylacetate
Problema 42d,e
Draw structures to correspond with the following common and systematic names:
(d) N-butylacetamide
(e) N,N-dimethylformamide
Problema 42f,g
Draw structures to correspond with the following common and systematic names:
(f) benzoic propionic anhydride
(g) benzamide
Problema 42h
Draw structures to correspond with the following common and systematic names:
(h) γ-hydroxyvaleronitrile
Problema 42k,l
Draw structures to correspond with the following common and systematic names:
(k) phenyl isocyanate
(l) cyclobutyl ethyl carbonate
Problema 42m
Draw structures to correspond with the following common and systematic names:
(m) δ-caprolactam
Problema 42n,o
Draw structures to correspond with the following common and systematic names:
(n) trichloroacetic anhydride
(o) ethyl N-methyl carbamate
Problema 43a,b
Give appropriate names for the following compounds:
(a)
(b)
Problema 43c,d
Give appropriate names for the following compounds:
(c)
(d)
Problema 43e,f
Give appropriate names for the following compounds:
(e)
(f)
Problema 43g,h
Give appropriate names for the following compounds:
(g)
(h)
Problema 43i,j
Give appropriate names for the following compounds:
(i)
(j)
Problema 43k,l
Give appropriate names for the following compounds:
(k)
(l)
Problema 44a,b,c
Predict the major products formed when benzoyl chloride (PhCOCl) reacts with the following reagents.
(a) ethanol
(b) sodium acetate
(c) aniline
Problema 44d,e,f
Predict the major products formed when benzoyl chloride (PhCOCl) reacts with the following reagents.
(d) anisole and aluminum chloride
(e) excess phenylmagnesium bromide, then dilute acid
(f) LiAlH(O-t-Bu)3
Problema 45a,b,c
Predict the products of the following reactions.
(a) phenol + acetic anhydride
(b) phenol + acetic formic anhydride
(c) aniline + phthalic anhydride
Problema 45d
Predict the products of the following reactions.
(d) anisole + succinic anhydride and aluminum chloride
Problema 45e,f
Predict the products of the following reactions.
(e)
(f)
Problema 46
Acid-catalyzed transesterification and Fischer esterification take place by nearly identical mechanisms. Transesterification can also take place by a base-catalyzed mechanism, but all attempts at base-catalyzed Fischer esterification (using –OR″, for example) seem doomed to failure. Explain why Fischer esterification cannot be catalyzed by base.
Ch. 21 - Carboxylic Acid Derivatives
