Question

Choose a starting material and a reagent (A-F) to synthesize the given product

Choose a starting material and a reagent (A-F) to synthesize the given product When [Select] is treated with [ Select] - it will produce 2,3-dimethyl-3-pentanol. REAGENTS Jones' reagent, CrO3 in H30(+) CH3MgBr (in ether) followed by H30(+) workup CH3OH (excess) acid-catalyst, heat (- H20) NaBH4 in CH3OH (CH2)5NH (piperidine) N2H4 KOH & strong acid-catalyst, heat (- heat H20)

Answer 1

We choose B CH₂ Mg Br (in ether) followed by H₃ of workup to produced 2,3-dimethyl-3- pentaule Starting material to feagent Product CH₃ M g BS line thes) g-methyl-3-pentanone 2, 3-dimethyl 3- pentand Mechanism CH3 Mg Br S ong By GOOD WRITE 해

Nucleophilic C in RMq X attacks to election deficient site e of carbonyl fom an intermediate in which o charge and possess In last step & work up), protonation of alkoxide o creates alcohet.