How can it be determined whether a sugar is α- or β- by looking at the Haworth projection? A) α-anomer: The -OH on the anomeric carbon is above the ring.β-anomer: The -OH on the anomeric carbon is below the ring. B) α-anomer: The -CH₂OH of carbon 6 is above the ring.β-anomer: The -CH₂OH of carbon 6 is below the ring. C) α-anomer: The -OH on the anomeric carbon is below the ring.β-anomer: The -OH on the anomeric carbon is above the ring. D) α-anomer: The -CH₂OH of carbon 6 is below the ring.β-anomer: The -CH₂OH of carbon 6 is above the ring. E) Both b and d are true.

Question

Quizplus · Accepted Answer

In a Haworth projection, the position of the -OH group on the anomeric carbon determines whether a sugar is α- or β-. For the α-anomer, the -OH group is below the plane of the ring, and for the β-anomer, it is above the plane of the ring.

How Can It Be Determined Whether a Sugar Is α-