Doubt from Grignard reagent

Can someone please explain how the ester ring is reduced by Grignard reagent.(partial reduction or complete?)

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Two with acid chloride
Two with that succnic anhydride
One with alkyne
One with carbonyl

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Doesn't Grignard reagent break the anhydride ring? And then further reduce it to alcohol?

CJ lmao


acid derivatives require 2 equivalent grignard to get converted into 3 degree alcohol

What's up homie
@utkarsh_gupta2 yes correct


See if there's excess gr then it will again react with ketone @Kunal_Kharat not sure about that

Ayan changed his avatar to Big Smoke. What's going on here? :joy:

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But it's asked how many moles of Grignard, so shouldn't complete reduction be considered. @pratyaksh_tyagi Still confused with the anhydride part.

I'm also