Aldehyde, Ketone & C.A. Derivatives doubt

Can anyone explain the first step?
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16 Replies
iTeachChem Helper
@Dexter
iTeachChem Helper
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iTeachChem
iTeachChem3mo ago
educated guess: A is diacid, B is diol, C i dehyration not so sure about the first reaction though :(
Nimboi
Nimboi3mo ago
no alpha hydrogen, is it cannizzaro somehow? where one C=O turns into CH2OH and the other C=O turns into COOH nvm answer toh nhi aaya
SirLancelotDuLac
SirLancelotDuLacOP3mo ago
So the C-C bond breaks in this right?
Nimboi
Nimboi3mo ago
?
Nimboi
Nimboi3mo ago
there's no C-C bond breaking in cannizzaro https://www.pw.live/concepts-cannizzaro-reaction
Physics Wallah
Cannizzaro Reaction | Reaction Mechanism of Cannizzaro Reaction
Detail reaction and mechanism of Cannizzaro Reaction with solved examples and questions based on Cannizzaro reaction
Nimboi
Nimboi3mo ago
but i mean i got the answer wrong so idk thing is i'm getting option 4 but with a pi bond between topmost and top-right carbon
SirLancelotDuLac
SirLancelotDuLacOP3mo ago
The answer is given as 3. Wait that would tautomerize to give 3 right? Can you explain the product A please?
Nimboi
Nimboi3mo ago
oh correct haha my bad intramolecular cannizzaro reaction
Nimboi
Nimboi3mo ago
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Nimboi
Nimboi3mo ago
if u know cannizzaro reaction, u know this
SirLancelotDuLac
SirLancelotDuLacOP3mo ago
Yeah but here the =O. wali cheez is attached to the ring itself sp COOH wali cheez kaise banegi can you please explain?
Nimboi
Nimboi3mo ago
in your question, the =O is not on an aromatic ring its on a normal cyclohexane ring no problem acha ruko look up cannizzaro reaction mechanism your doubts will be cleared
SirLancelotDuLac
SirLancelotDuLacOP3mo ago
Ah I see. +solved @Nimboi
iTeachChem Helper
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