Name this compound
.................CH3
.................|
CH(triple bond)C-CH-CH-CH3
....................|
....................CH3
CH3 in the first row is directly above the CH in row 2 after the triple bond and the CH3 in the third row is directly under the second CH after the triple bond
I tried following your description and couldn't do it. If you numbered the C atoms starting at the left of the longest chain as 1 for the HCtriplebondC(#2) etc. perhaps I can help. If I place the CH3 where I think you say it belongs, it can't go there because that C has too many bonds.
To name the compound provided, we need to determine the main carbon chain and any functional groups or substituents attached to it. Let's analyze the structure given:
.................CH3
.................|
CH(triple bond)C-CH-CH-CH3
....................|
....................CH3
From the structure, we can identify the main carbon chain containing five carbon atoms. It starts from the carbon attached to the CH3 group in the first row and extends to the carbon attached to the CH3 group in the third row.
Next, we need to identify any functional groups or substituents. In this case, there is a triple bond between the first and second carbons in the chain. Based on this information, the compound is an alkyne.
Now, let's number the carbon atoms in the chain starting from the end closest to the triple bond:
..................1
..................|
2(triple bond)C-3-4-5
..............|
..............CH3
With the numbering complete, we can now construct the name of the compound using the IUPAC naming rules for alkenes. The rules require using a prefix to indicate the number of carbons in the chain and a suffix based on the type of bond present.
Since we have a triple bond, we will use the suffix "-yne." To indicate the position of the triple bond, we include the number of the carbon atoms bonded together by the triple bond.
In this compound, there is a triple bond between carbons 2 and 3. Therefore, the correct name for this compound is "2-butyne" (but- indicating the four carbon chain and -yne indicating the triple bond).
So, the compound's name is "2-butyne."