Hydrolysis reaction

[sanguinee]

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Why does the OCH3 group on carbon 1 of the right ring get reduced to an OH? This is part of the solution, so we don't know that CH3OH is a byproduct of the reaction. I only thought hydrolysis would cleave the B-1,4 linkage.

 

[sanguinee]

bump

 

[sanguinee]

hi does anyone understand this

 

[Cawolf]

It would be more helpful if you posted the whole reaction.

If I had to guess, the ether at carbon 1 on the right-side sugar is also hydrolyzed.

You just need to track the water. There is a R-O-CH3 at the start and then you add in H2O to produce R-OH and CH3OH.

It is likely just a secondary hydrolysis reaction that is occurring in addition to the separation of the sugar linkage.