ochem destroyer roadmap question

[kies89]

why is adding co2 and h3o+ to cyclohexane with MgCl will give carboxylic cyclohexane acid?

also from carboxylic cyclohexane acid, adding LiAlH4, Et2O and H2O will give methanol cyclohexane?

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[DAT12]

It's a reaction.
Normally if I have a grignard, (mgcl) and add an aldehyde or ketone +h3o u get an alcohol. So instead if u add co2 +h3o u get carboxylate.

Methanol cyclohexane is from a reduction of carboxylate.
KNOW YOUR REACTIONS!!

 

[Dotoday]

Yes, CO2 will oxidize Grignard into carboxy acid, where co2 is the source of extra carbon. LiAlH4 is a strong base, it will reduce aldehydes, ketones, carboxy acids and esters into alcohol. However, if you use NaBH4, this only reduces aldehydes and ketones iinto alchohols. Will not reduce acids and esters. Hope this helps.