Numbering

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Ashley Ramos2C
Posts: 8
Joined: Fri Sep 25, 2015 3:00 am

Numbering

Postby Ashley Ramos2C » Fri Mar 11, 2016 10:54 pm

In the course reader pg 105 the name for the given cyclohexene is

1,6 dichlorocyclohexene

Why can't it be

1,2 dichlorocyclohexene

Michelle Dela Rosa 1D
Posts: 25
Joined: Fri Sep 25, 2015 3:00 am

Re: Numbering

Postby Michelle Dela Rosa 1D » Fri Mar 11, 2016 11:04 pm

It cannot be 1,2-dichlorocyclohexene because of the double bond. Naming it that way would actually result in an incorrect name of 1,2-dichlorohex-2-ene.

Susanna
Posts: 11
Joined: Tue Nov 17, 2015 3:00 am

Re: Numbering

Postby Susanna » Sat Mar 12, 2016 11:46 pm

In other words, we give priority to first the double bonds and then the chloro.


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