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Systematic name of alpha lactose
EXPLANATION
Lactose Chemistry
- Systematic Chemical Nomenclature of α-Lactose:
- Chemical Structure:
- Lactose is a reducing disaccharide consisting of D-galactopyranose linked by a $\beta$-(1$\rightarrow$4) glycosidic bond to D-glucopyranose.
- In the $\alpha$-anomer, the hemiacetal hydroxyl group at C1 of the glucose residue is in the $\alpha$-configuration.
- Systematic IUPAC Name: 4-O-β-D-galactopyranosyl-α-D-glucopyranose.
- Conclusion: 4-O-β-D-galactopyranosyl-α-D-glucopyranose (Option 1).
Correct option: (1) 4-0-B-D-galactopyranosyl-a-D-glucopyranose
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