Fill in structures for A-O in the following reaction scheme part of which was recently reported...

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Answer 1

Answer #1

CH₃OH olt konon L OH LAH - HP H₂O HDHOM HO TITOH OH Date I LOH 11 Croc / Horr oll

With MeOH/H+ , hydroxylation occurs at para to OH group then Kmno4 oxidize the benzyl carbon to COOH group which inturn reduced to Alcohol by LiAlH4

Pyridinium chlorochromate is a mild oxidising agent and oxidize the Alcohol to aldehyde.

Answer 2

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