Consider CH3-CH(OH)-CH(OH)(Br).
a. How many stereogenic centers are in the molecule?
b. How many stereoisomers are there for the compound?
c. Draw the Fischer projection for each of the stereoisomer. Label each using I, II, etc.
d. Which pairs are enantiomers? Which are diastereomers?
e. Determine the absolute configuration of each chiral center in one pair of diastereomer.
Draw the geometric isomers (if any) of the following alkenes. Identify the geometric isomer as either cis or trans or as either E or Z, where applicable.
a. BrHC=CHBr
c. (HO)(CH3CH2)C=CH(CH2CH3)
b. ClHC=CCl2
d. (I)(CH3CH2CH2)C=C(CH2CH3)(CH3)
Consider pentane, C5H12. Looking through the internal C3-C4 single bond, draw the six Newman projections (where the angle between two bonds as you look through the C3 and C4 bond is either 0° or 60° of the different conformations. Label the conformers/rotamers using I, II, etc.
a. Which conformer is the most stable? the least stable?
b. Which rotamer is the anti conformer? the gauche conformer?
c. Draw the anti conformer in saw horse projection.
Draw the most stable conformation of 1-chloro-3-isopropylcyclohexane and give its complete IUPAC name.