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Organic Chemistry

Blazing goIITian

Joined:	12 Apr 2008
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19 Nov 2009 11:20:54 IST

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1222

CLEMMENSEN REDUCTION

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CLEMMENSEN REDUCTION

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AIR 538 Asish

Blazing goIITian

Joined: 29 Nov 2008

Posts: 1137

19 Nov 2009 11:27:25 IST

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the carbonyl group will be reduced to CH2 also the nitro group will be reduced to -NH2 ...it is because in presence of metal and HCl, nitro groups are reduced to amine group

zzzzz

Blazing goIITian

Joined: 12 Apr 2008

Posts: 424

19 Nov 2009 11:30:53 IST

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thanks dude..... i had confusion as to how NO2 gp was reduced to NH2 gp.

Madhusudan Chavan

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Joined: 9 Mar 2007

Posts: 2554

20 Nov 2009 16:58:42 IST

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Clemmensen reduction is carried out with Zn-Hg and HCl. Carbonyl group ( C=O) is reduced to CH2.Nitro groups are also reduced by metal and acid to NH2. Thus in the given compound CO would be reduced to CH2 and also NO2 to NH2.

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