(a) Interpretation: The Fischer projection for the product formed by reaction of D-Galactose with sodium boronhydride, NaBH 4 in water should be determined. Concept introduction: An aldose can undergo reduction on reaction with sodiumboronhydride resulting formation of identical side chain, the compound so formed is known as alditol. For example, the reduction of D-glucose is represented as follows:

Question

You are trying to decide if there is a single reagent you can add that will make the following synthesis possible without any other major side products: xi 1. ☑ 2. H₂O хе i Draw the missing reagent X you think will make this synthesis work in the drawing area below. If there is no reagent that will make your desired product in good yield or without complications, just check the box under the drawing area and leave it blank. Click and drag to start drawing a structure. There is no reagent that will make this synthesis work without complications. : ☐ S ☐

Answer 1

Question

Chapter 19, Problem 28P

Interpretation Introduction

(a)

Interpretation:

The Fischer projection for the product formed by reaction of D-Galactose with sodium boronhydride, NaBH4 in water should be determined.

Concept introduction:

An aldose can undergo reduction on reaction with sodiumboronhydride resulting formation of identical side chain, the compound so formed is known as alditol.

For example, the reduction of D-glucose is represented as follows:

Interpretation Introduction

(b)

Interpretation:

The Fischer projection for the product formed by reaction of D-Ribose with sodium boronhydride, NaBH4 in water should be determined.

Concept introduction:

An aldose can undergo reduction on reaction with sodiumboronhydride resulting formation of identical side chain, the compound so formed is known as alditol.

For example, the reduction of D-glucose is represented as follows:

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