Page 64 - Pharm.Org.Chem-I 02-06-05-101
P. 64
3. One group hold steady and the
other three can rotate:
123
4.Differentiate different Fischer projections:
HO CH2CH3 Hold CH3 OH H
H Rotate other Hold CH2CH3
H CH2CH3 Rotate other H3C CH2CH3
CH3 three groups CH3 three groups OH
B clockwise clockwise
A
Rotate H3C CH2CH3 Hold CH3 H
180o H Rotate other
H3C OH
CH2CH3 OH three groups CH2CH3
C
counterclockwise Not A
124
62
