Question

choose a starting material (4-methyl-2-pentanone, 2-methyl-3-pentanone, 2,3-dimethylbutanal) and a reagent from A-F to synthesize 2,2-dimethoxy-4-methylpentane.

Choose a starting material and a reagent (A-F) to synthesize the given product. When [Select ] is treated with (Select ] it will produce 2,2-dimethoxy-4- methylpentane. REAGENTS C. A. Jones' reagent, Croz in CH3MgBr (in CH3OH ether) (excess) followed by acid-catalyst, H30(+) workup heat (-H20) H₂O(+) NaBH4 in CH3OH (CH2)5NH (piperidine) N2H4 KOH & acid-catalyst, strong heat heat (-H20)

Answer 1

Answer:-

When 4-methyl-2-pentanone is treated with [CH₃OH (excess) acid catalyst, heat ] , it will produce 2,2-dimethoxy-4-methylpentane.

CH₂OH (excess) acid catalyst Heat, (H20 14-methyl-2-pentanone) (Starting Material) - Chez th CH3 2,2-dimethoxy-4-methyl- pentane A ketal) (Product)

Ketones (4-methyl-2-pentanone) react with alcohols (CH₃OH) in presence of acid, to form gem-dialkoxy compounds (2,2-dimethoxy-4-methylpentane) known as ketals.

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