Q.1- Illustrate in equations the following reactions:
a) Pyrrole with HCN/HCl.
b) Exhaustive methylation of tetrahydropyrrole.
c) Furfural with ethanolic KCN.
d) Furan with maleic anhydride.
e) Thiophene with n-butyl-lithium
f) Indole with CHCl3/NaOH.
g) Pyridine with methyl bromide.
Q.2- a) Write one method only for the synthesis of the following:
Thiophene – Indole – Coumarone – Thionaphthene