Chem 232 Quiz 7 key - University of Illinois Chicago

Chem 232

Discussion Section Quiz 7

D. J. Wardrop wardropd@uic.edu

25 points, 20 min

Name:______________________________

Section Day/Time: _________________________ Question 1.

Fill in the missing isomer categories in the isomer tree below. 16 Points

Constitutional

(go to next page)

isomers

Do the molecules have the

same connectivity?

no

yes

Stereoisomers

Can the molecules be

interconverted by rotation

around single bonds?

yes

no

Conformational Geometrical

Configurational

Is the isomerism at a

yes

double bond?

no

Optical

Are the compounds non-

superimposable mirror

images?

yes

no

Enantiomers

Diastereomers

Question 2.

Using the Cahn?Ingold?Prelog (CIP) priority rules, determine the absolute configuration and assign an R or S descriptor to each chirality center within the following molecules. 9 points

HO

OH

O Me OH

CO2H

HO

H2N H

N

O OMe

CH2SMe

H

S

(2 pts)

R

(3 pts)

R

(2 pts)

S

(2 pts)

 ................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download