Consider the hexose D-(+)-glucose shown in Figure Q13a. СНО H• HO- HO H HO- H- HO- CH2OH D-Glucose (Figure Q13a) (i) Give the number of chiral centres in glucose, and deduce the maximum number of stereoisomers. (11) What is meant by a "reducing" sugar? (iii) Using appropriate structures, explain the reaction between D-glucose and Cobling'n

Organic Chemistry
9th Edition
ISBN:9781305080485
Author:John E. McMurry
Publisher:John E. McMurry
Chapter5: Stereochemistry At Tetrahedral Centers
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Consider the hexose D-(+)-glucose shown in Figure Q13a.
CHO
H•
HO-
HO FH
HO-
H-
HO-
CH2OH
D-Glucose
(Figure Q13a)
(i) Give the number of chiral centres in glucose, and deduce the maximum
number of stereoisomers.
(1i) What is meant by a "reducing" sugar?
(iii) Using appropriate structures, explain the reaction between D-glucose
and Fehling's (Cu2) reagent.
Transcribed Image Text:Consider the hexose D-(+)-glucose shown in Figure Q13a. CHO H• HO- HO FH HO- H- HO- CH2OH D-Glucose (Figure Q13a) (i) Give the number of chiral centres in glucose, and deduce the maximum number of stereoisomers. (1i) What is meant by a "reducing" sugar? (iii) Using appropriate structures, explain the reaction between D-glucose and Fehling's (Cu2) reagent.
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