Re: your mail

D'oh (callahnl@plu.edu)
Sun, 02 Mar 1997 16:32:36 -0800 (PST)

The 1 and 3 apply to the propane chain. In this example it names
the cyclohexane groups as substituents of propane. This is also why it
calls them cyclohexyl groups; the same way you would change methane to
methyl.

-nick

On Sun, 2 Mar 1997 steelecl@plu.edu wrote:

> On Pg. 137 in ch. 4 It names 1,3-dicyclohexylpropane as an example. I do
> not understand where the 1 and 3 came from. Are they the carbons that the
> propane is attached to? I do not understand how the 1 and 3 were
> determinded to be the number of those carbons.
> Caroline
>
>