4. Assign R or S configuration for each chiral carbon.
2)
b)
c)
d)
CH?CH?
c)
CHO
HC
H
-OH
H?N
CH?OH
Br
5. What is the relationship between each or the following pairs of compounds? (identical, enantiomers,
diasteriomers, none)
b)
CH?
CH?CH?
c)
CH?CH?
CH?CH?
Br
Br
and
FCl
H?C
-H
-H
H
Cl
CH?
CHCH?
CH?
CH?
6. How many stereoisomers possible from each of the following molecules?
a) 2,3,4-trihydroxypentanal
b) 2-chloro cyclohexanol
C) H?C-CH-COOH
d)
HO
CH?
NH?
7. What is the deference between a) enantiomers and diasteriomers,
b) meso compounds and achiral compounds