Quaternary carbon

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dat_student

dat_student

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(CH3)2-C*=CH2

Isn't C* quaterary? Kaplan says C* is not quaternary. Doesn't the double bond count as attachment to 2 carbons?
 
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dat_student said:
Kaplan doesn't count it as quaternary. They probably overlooked it then.
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Actually, I could be wrong. Since quatenary means to be bonded to four other carbons.. ( was thinking 4 bonds = quatenary), and it has a double bond, it would be considered tertiary because it is only bonded to three other carbons.
 
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Divineimpetus said:
Actually, I could be wrong. Since quatenary means to be bonded to four other carbons.. ( was thinking 4 bonds = quatenary), and it has a double bond, it would be considered tertiary because it is only bonded to three other carbons.
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For some reason, I have a feeling double bond counts as 2 attachments & makes it quaternary. I'll have to double check...
 
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dat_student said:
For some reason, I have a feeling double bond counts as 2 attachments & makes it quaternary. I'll have to double check...
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shouldn't be classified as quaternary.

Edit: actually i'm not sure either. Can you post what u find ? thank you
 
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A quaternary carbon atom is a carbon to which four other carbon atom's are attached with single bonds.
 
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dat_student said:
(CH3)2-C*=CH2

Isn't C* quaterary? Kaplan says C* is not quaternary. Doesn't the double bond count as attachment to 2 carbons?
Click to expand...

I never even thought of all this...you bring up some good points dat_student. I bet you got the double bond counting as two attachments from assigning configurations in ochem.
 
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mochafreak said:
I never even thought of all this...you bring up some good points dat_student. I bet you got the double bond counting as two attachments from assigning configurations in ochem.
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im pretty sure that molecule isn't quaternary...

you need four other carbons attached to the carbon of interest to be quaternary..
 
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