Question

IUPAC names for the following:
(i) $\left(C{H}_3{)}_{3}CC{H}_{2}C\right(C{H}_3{)}_3$
(ii) $\left(C{H}_3{)}_{2}C\right(C_2{H}_6{)}_2$
(iii) tetra-tert butylmethane

Answer 1

(i)$\stackrel{1}{C}{H}_3-\stackrel{C{H}_3}{\stackrel{2|}{\underset{C{H}_3}{\underset{|}{C}}}}-\stackrel{3}{C}{H}_2-\stackrel{C{H}_3}{\stackrel{4|}{\underset{C{H}_3}{\underset{|}{C}}}}-C{\stackrel{5}{H}}_3$

IUPAC Name - $2,2,4,4$- Tetramethyl-pentane

(ii) $C{H}_3-\stackrel{C{H}_3}{\stackrel{|}{\underset{C{H}_3}{\underset{|}{C}}}}-C_2{H}_5\equiv C{H}_3-\stackrel{C{H}_3}{\stackrel{3|}{\underset{5C{H}_3}{\underset{|}{\underset{4C{H}_2}{\underset{|}{C}}}}}}-C{\stackrel{2}{H}}_2-C{\stackrel{1}{H}}_3$

IUPAC Name - $3,3$ Dimethyl pentane

(iii) Ref. Image

IUPAC Name $3,3$D-butyl -$2,2,4$- tetramethy pentane