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Organic Chemistry

Blazing goIITian

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1 Jun 2008 20:01:33 IST

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801

what is alpha carbon,beta carbon

None

can someone explain what is alpha carbon, beta carbon..........

ch3-co-ch-co-ch3(pentane-2,3-dione)

the middle carbon atom is alpha carbon atom....

The alpha carbon in organic chemistry refers to the first carbon after the carbon that attaches to the functional group

my friend said this

why cant the corner C be alpha they too are attached to functional group??????????

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Comments (9)

C!-!!NMAY

Blazing goIITian

Joined: 30 Mar 2008

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1 Jun 2008 20:38:46 IST

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bro its 1,4 dione...

C!-!!NMAY

Blazing goIITian

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1 Jun 2008 20:42:13 IST

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i think they r also alpha carbon atom.....but if u considered this molecule in tautomerism phenomenon then the migration of hydrogen occurs from middle alpha carbon atom coz this leads to a stable molecule due to hydrogen bonding....
i think so this,,,,
if i m wrong plz correct me...

ritu shrivastava

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1 Jun 2008 20:53:03 IST

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the carbon attached to the functional group is called alpha carbon

the carbon attached to alpha carbon is called beta carbon

the carbon attached to beta carbon is called delta carbon .............................

C!-!!NMAY

Blazing goIITian

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1 Jun 2008 20:55:05 IST

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@drritu try to solve his main doubt....
in ur opinion...
why cant the corner C be alpha they too are attached to functional group??????????

Anand Hegde

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2 Jun 2008 08:30:26 IST

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ofc it can be labelled as alpha carbon, there are 3 alpha carbons here

Aishwarya Vardhan Chaturvedi

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2 Jun 2008 08:42:49 IST

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all the three of them are alpha carbons
but when the compound stabilises by tautomerism its the middle alpha hydrogen goes to the oxygen atom 2 form the enolic form as it is the most stable compound of all the compounds formed by the migration of the other alpha hydrogens...
and compound is further stabilised by the hydrogen bonding between the hydrogen and the other oxygen atom.....

That's why the central carbon may be considered as the alpha carbon...
bt its nt at all true.. all the three of them are alpha carbons and there are 7 alpha hydrogens....

rate if useful

Aishwarya Vardhan Chaturvedi

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2 Jun 2008 08:43:45 IST

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n the diff between the alpha beta and delta carbon has been told by drritu already..

BALGANESH

Blazing goIITian

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2 Jun 2008 12:39:16 IST

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thanx everyone
have rated

thanx again

birendra yadav

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2 Jun 2008 14:10:27 IST

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carbon atom which is directly attached to functional group( either side of functional group) is called alpha and the next carbon is called as beta and next gama and then delta.

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