Question

Draw structures corresponding to the following names:

(a)3,3-Dimethyl-4-octyne

(b)3-Ethyl-5-methyl-1,6,8-decatriyne

(c)2,2,5,5-Tetramethyl-3-hexyne

(d)3,4-Dimethylcyclodecyne

(e)3,5-Heptadien-1-yne

(f)3-Chloro-4,4-dimethyl-1-nonen-6-yne

(g)3-sec-Butyl-1-heptyne

(h)5-tert-Butyl-2-methyl-3-octyne

Short answer

Structures corresponding to the given compounds are as follows:

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

Step-by-step solution

Definition of IUPAC nomenclature

A standard rules had been defined by IUPAC for the naming of organic compounds.

Given below is a general procedure for write names in organic chemistry

Prefix-2 (substituents) + prefix-1(cyclo) + number of carbon + suffix–1 (ane/ene/yne) + suffix -2 (functional groups)

Structure of 3,3-Dimethyl-4-octyne

According to the IUPAC nomenclature structure of 3,3-Dimethyl-4-octyne is

Structure of 3-Ethyl-5-methyl-1,6,8-decatriyne

According to the IUPAC nomenclature structure of 3-Ethyl-5-methyl-1,6,8-decatriyne is

Structure of 2,2,5,5-Tetramethyl-3-hexyne

According to the IUPAC nomenclature structureof2,2,5,5-Tetramethyl-3-hexyne is

Structure of 3,4-Dimethylcyclodecyne

According to the IUPAC nomenclature structureof3,4-Dimethylcyclodecyne

is

Structure of 3,5-Heptadien-1-yne

According to the IUPAC nomenclature structure of 3,5-Heptadien-1-yne

is

Structure of 3-Chloro-4,4-dimethyl-1-nonen-6-yne

According to the IUPAC nomenclature structure 3-Chloro-4,4-dimethyl-1-nonen-6-yne is

Structure of 5-tert-Butyl-2-methyl-3-octyne

According to the IUPAC nomenclature structure 5-tert-Butyl-2-methyl-3-octyne is

Structure of 5-tert-Butyl-2-methyl-3-octyne

According to the IUPAC nomenclature structure 5-tert-Butyl-2-methyl-3-octyne is