Select the set of reagents that best complete this multistep...

Select the set of reagents that best complete this multistep synthesis. 1. SOCl2 2. H2O, H+ I 1. HBr 2. NaOH II 1. H2 (Pd-C) 2. H+, EtOH III 1. PCC, CH2Cl2 2. EtOH, cat. H+ IV 1. Jones reagent 2. PCC, CH2Cl2 V 1. NaBH4, MeOH 2. EtOH, cat.H+ VI O I O II O III O IV O V O VI O None of the above.

Identify the set of reagents/reaction conditions 'X' and ' $\mathrm{Y}$ ' in the following set of transformations (a) $\mathrm{X}=$ dilute aqueous $\mathrm{NaOH}, 20^{\circ} \mathrm{C}$; $\mathrm{Y}=\mathrm{HBr} /$ acetic acid, $20^{\circ} \mathrm{C} .$ (b) $\mathrm{X}=$ concentrated alcoholic $\mathrm{NaOH}, 80^{\circ} \mathrm{C}$; $\mathrm{Y}=\mathrm{HBr} /$ acetic acid, $20^{\circ} \mathrm{C} .$ (c) $\mathrm{X}=$ dilute aqueous $\mathrm{NaOH}, 20^{\circ} \mathrm{C}$; $\mathrm{Y}=\mathrm{Br}_{2} / \mathrm{CHCl}_{3}, 0^{\circ} \mathrm{C}$ (d) $\mathrm{X}=$ concentrated alcoholic $\mathrm{NaOH}, 80^{\circ} \mathrm{C}$; $\mathrm{Y}=\mathrm{Br}_{2} / \mathrm{CHCl}_{3}, 0^{\circ} \mathrm{C}$.

Question

Select the set of reagents that best complete this multistep synthesis. 1. SOCl2 2. H2O, H+ I 1. HBr 2. NaOH II 1. H2 (Pd-C) 2. H+, EtOH III 1. PCC, CH2Cl2 2. EtOH, cat. H+ IV 1. Jones reagent 2. PCC, CH2Cl2 V 1. NaBH4, MeOH 2. EtOH, cat.H+ VI O I O II O III O IV O V O VI O None of the above.

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