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Topic: Can we write 1,2-Dimethylcyclopent-1-ene as 1,2-Dimethylcyclopentene?  (Read 2713 times)

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Offline Aakash

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Can we write 1,2-Dimethylcyclopent-1-ene as 1,2-Dimethylcyclopentene?
« on: December 06, 2013, 09:19:17 AM »
Similarly,
can we omit to write 1,1 in 1,1-Dimethylcyclopentane ?
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Offline sjb

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Re: Can we write 1,2-Dimethylcyclopent-1-ene as 1,2-Dimethylcyclopentene?
« Reply #1 on: December 06, 2013, 09:33:33 AM »
Quote from: Aakash on December 06, 2013, 09:19:17 AM
Similarly,
can we omit to write 1,1 in 1,1-Dimethylcyclopentane ?

No to both, as you need to identify where your methylgroups are (relative to each other, and the alkene, in that structure). What would you call e.g. C1(C)C(C)CCC1, or  C1C=C(C)C(C)C1
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Offline Aakash

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Re: Can we write 1,2-Dimethylcyclopent-1-ene as 1,2-Dimethylcyclopentene?
« Reply #2 on: December 06, 2013, 02:00:02 PM »
thanks.
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