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Ask iit jee aieee pet cbse icse state board community Community Discussion Question: doubt
Forum Index -> Organic Chemistry like the article? email it to a friend.  
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[Post New]9 Dec 2007 13:44:18 IST
    Subject: doubt
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dave (21)

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1.does cinammaldehyde have alpha hydrogen?
2.how do u convert cinnamaldehyde to cinnamic acid??
    
[Post New]9 Dec 2007 17:14:54 IST
    Subject: Re:doubt
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ramkumar_november (1270)

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cinnamaldehyde is C6H5CH=CH-CHO ....... yes it has alpha hydrogen.........
oxidise it using KMnO4 .  you will get cinnamic acid(C6H5CH=CH-COOH)
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[Post New]9 Dec 2007 18:41:11 IST
    Subject: Re:doubt
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harsha_27 (1343)

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ramkumar.....we cannot use KMnO4 as it introduces diol at the double bond......chromic acid oxidation will work....




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