1.

Which of the following sequences helps to establish the structure and configuration of maltose?

Answer»

oxidation, methylation and hydrolysis
methylation, hydrolysis and oxidation
hydrolysis, oxidation and methylation
oxidation, hydrolysis and methylation

Solution :`(+) -` MALTOSE contain two `D - (+) -` glucose units, joined by an alpha - glucoside linkage between the carbonyl group of one `D - (+) -` glucose and an `-OH` group of the other.
Now two questions remain UNANSWERED: Which`-OH` group is involved, and what are the sizes of the RINGS in the two `D- (+)-` glucose units? ANSWERS to both these questions are given by the sequence of oxidation, methylation, and hydrolysis.


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