Specify the reagent you would use in each step of the following synthesis: Speci

Question

Specify the reagent you would use in each step of the following synthesis: Specify the reagent you would use in each step of the following synthesis CH3 OH step1 step 1 step 2 CH3 step 2 OH Reagents Available Reagents Available a. LiAIH4 b. H2SO4 c. HCI d. HBr e. SOCI2 f. PBr3 k. CH3CH2MgBr I. C&HsMgBr; a. LiAIH4 b. H2So4 c. HCI d. HBr e. SOCI2 f. PBr3 . CHgCH2MgBr g. pyridinium g. pyridinium chlorochromate (PCC) h. NaH i. NaOH j. CH3MgBr nesium bromide) chlorochromate (PCC) h. NaH i. NaOH j. CH3MgBr nesium bromide) m. (CH3)2CHMgBr m. (CH3)2CHMgBr n. CrO3 n. CrO3 Write the letters of the reagents in the boxes below Write the letters of the reagents in the boxes below Reagent for step 1 Reagent for step 2 Reagent for step 1 Reagent for step 2

Explanation / Answer

For left reaction

Reagent for step 1 : g ( pyridinum chlorochromate PCC , we convert C-OH to C=O)

Reagent for step 2 : j ( CH3MgBr whcih converts C=O of aldehyde to secondary alcohol)

for right reaction

reagent for step 1 : j ( Ch3MgBr , whcih converts aldehyde C=O to secondary alcohol)

reagent for step 2 : g ( PCC oxidises C-OH to C=O)

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