Question 18.4: Name the following alkane. CH3CH2CHCH2CH2CH3...
Name the following alkane.
CH_3CH_2\underset{\underset{\underset{\underset{CH_3}{|}}{CH_2}}{|}}{C}HCH_2CH_2CH_3Step-by-Step
This compound has six carbon atoms in its longest continuous chain.
CH_3CH_2\underset{\underset{\underset{\underset{CH_3}{|}}{CH_2}}{|}}{C}HCH_2CH_2CH_3The correct prefix from Table 18.3 is hex-. The base name is hexane.
This compound has one substituent named ethyl.
The base chain is numbered as follows:
\overset{1}{C}H_3\overset{2}{C}H_2\underset{\underset{\underset{\underset{CH_3}{|}}{CH_2}}{|}}{\overset{3}{C}}H\overset{4}{C}H_2\overset{5}{C}H_2\overset{6}{C}H_3The ethyl substituent is assigned the number 3.
The name of this compound is:
3-ethylhexane
| TABLE 18.3 Prefixes for Base Names of Alkane Chains | |
| Number of Carbon Atoms | Prefix |
| 1 | meth- |
| 2 | eth- |
| 3 | prop- |
| 4 | but- |
| 5 | pent- |
| 6 | hex- |
| 7 | hept- |
| 8 | oct- |
| 9 | non- |
| 10 | dec- |
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