Hello,
Does anyone know here if the designation of the following haloalkane is correct? (I used the program chemdraw to name it, but I have a problem with finding the parent chain which is explained below).
I think we need to take the red chain as "parent chain", because it contains the principal group chlorine. Then the naming of the substance was probably done wrong by the program chemdraw, right?
Actually I dont know whether Chlorine is the principal group here? In my dutch book it is said that the principal group is the characteristic group that is chose to be the suffix after the root in the designation. But the problem is chlorine cant be a suffix, does that mean its not a principal group in the above molecule?
If that is the case, then the designation right above here is correct anyways, because Chlorine is not the principal group here(?), so this means that according to the rules we use to determine the parent chain we have to look at the longest chain.
Rules for determining the parent chain are:
When in an acyclic compound there is a choice for principal chain, the following criteria are applied successively, in the order listed, until a decision is reached:
(a) Maximum number of substituents corresponding to the principal group. (WE SKIP THIS ONE BECAUSE CHLORINE IS NOT THE PRINCIPAL GROUP? SO WE DETERMINE THE PARENT CHAIN BY LENGHT SINCE WE SKIP THIS STEP)
(b) Maximum number of double and triple bonds considered together.
(c) Maximum length.
Thanks in advance!