Question

PROBLEMS Rank the substituents in each of the following sets: (a) -H, -OH, -CH2CH3, -CH2CH2OH (b) -CO2H, -CO2CH3, -CH2OH, -OH (c) -CN, -CH2NH2, -CH2NHCH3, -NH2 (d) -SH, -CH2SCH3, -CH3, -SSCH3 Assign R,S configurations to the following molecules: (a) Br | H3C-C-CO2H | H (b) H | HO--C-CO2H | CH3 (c) NH2 | NC--C-CH3 | H Draw a tetrahedral representation of (S)-pentan-2-ol (2-hydroxypentane).

          PROBLEMS
Rank the substituents in each of the following sets:
(a) -H, -OH, -CH2CH3, -CH2CH2OH
(b) -CO2H, -CO2CH3, -CH2OH, -OH
(c) -CN, -CH2NH2, -CH2NHCH3, -NH2
(d) -SH, -CH2SCH3, -CH3, -SSCH3

Assign R,S configurations to the following molecules:
(a) Br
    |
H3C-C-CO2H
    |
    H
(b) H
    |
HO--C-CO2H
    |
    CH3
(c) NH2
    |
NC--C-CH3
    |
    H

Draw a tetrahedral representation of (S)-pentan-2-ol (2-hydroxypentane).

PROBLEMS
Rank the substituents in each of the following sets:
(a) -H, -OH, -CH2CH3, -CH2CH2OH
(b) -CO2H, -CO2CH3, -CH2OH, -OH
(c) -CN, -CH2NH2, -CH2NHCH3, -NH2
(d) -SH, -CH2SCH3, -CH3, -SSCH3

Assign R,S configurations to the following molecules:
(a) Br
|
H3C-C-CO2H
|
H
(b) H
|
HO–C-CO2H
|
CH3
(c) NH2
|
NC–C-CH3
|
H

Draw a tetrahedral representation of (S)-pentan-2-ol (2-hydroxypentane).

Added by Joseph R.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Adi S

07/07/2023

Step 1

For the second chiral center (HO CO2H CH3): Priority: CO2H (1) > CH3 (2) > HO (3) Clockwise rotation, and HO is on the horizontal plane, so the configuration is R. The molecule has the configuration $\boxed{\text{S,R}}$. Finally, let's draw the tetrahedral Show more…

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PROBLEMS Rank the substituents in each of the following sets: (a) -H, -OH, -CH2CH3, -CH2CH2OH (b) -CO2H, -CO2CH3, -CH2OH, -OH (c) -CN, -CH2NH2, -CH2NHCH3, -NH2 (d) -SH, -CH2SCH3, -CH3, -SSCH3 Assign R,S configurations to the following molecules: Draw a tetrahedral representation of (S)-pentan-2-ol (2-hydroxypentane).