Q. 13.35 - An Introduction to General, Organic, and Biological Chemistry

Question

ldentify each of the following as the $\alpha$or $\beta$ isomer.

Step-by-Step Solution

Answer

a. As the OH group is down it is $\alpha$ isomer

b. As the OH group is down it is $\alpha$ isomer

Part (a) Step 1: Given Information

Part (a) Step 2: Explanation

In the $\alpha$ -anomer, the hydroxyl bunch (-OH) connected to the anomeric carbon iota lies beneath the plane and on the contrary side of the $-{\mathrm{CH}}_2\mathrm{OH}$ bunch joined to the carbon ring. In the given construction, the hydroxyl bunch lies beneath the plane. Thusly, it is a $\alpha$-isomer.

Part (b) Step 1: Given Information

Part (b) Step 2: Explanation

In the$\alpha$- anomer, the hydroxyl bunch (-OH) connected to the anomeric carbon iota lies beneath the plane and on the contrary side of the $-{\mathrm{CH}}_2\mathrm{OH}$ bunch joined to the carbon ring. In the given construction, the hydroxyl bunch lies beneath the plane. Thusly, it is a $\alpha$ - isomer.