Concept explainers
(a)
Interpretation:
Configuration has to be determined as D- or L- for the structures given below,
Concept Introduction:
Chiral compounds are optically active and they rotate the plane polarized light. Some compounds rotate the plane polarized light clockwise and some rotate it anticlockwise. Compounds that rotate clockwise are known as dextrorotatory and those which rotate anticlockwise are known as levorotatory. Dextrorotatory compounds are indicated with a “(+)” sign while levorotatory compounds are indicated with a “(-)” sign. In case of sugar, the chiral carbon that contains hydroxyl group farthest from the most oxidized end of the molecule is considered. If the hydroxyl group is present on the right side, then the isomer is said to have D-configuration and if it is present on the left side, then the isomer is said to be in L-configuration.
(b)
Interpretation:
Configuration has to be determined as D- or L- for the structures given below,
Concept Introduction:
Refer part (a).
(c)
Interpretation:
Configuration has to be determined as D- or L- for the structures given below,
Concept Introduction:
Refer part (a).
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