chem%212% nmr%problem%set%2 - …chemistry.bd.psu.edu/justik/chem 212/chem 212 nmr problem set...

Post on 15-Jun-2018

256 Views

Category:

Documents

7 Downloads

Preview:

Click to see full reader

TRANSCRIPT

CHEM%212% NMR%Problem%Set%2!!

X% Spring!2014!

!

1. In!this!set!formulas!are!not!provided.!!Functional!group!information!is!given!in!a!general!form.!!C=O!

may!indicate!an!aldehyde!or!ketone,!for!example.!!An!amine!can!indicate!1o,!2o!or!3o!amine.!!Carbon!

based!functional!groups!(alkane,!alkene,!alkyne!and!aromatic)!are!not!provided.!

!

2. For!each!NMR!follow!the!steps!in!order!to!start!elucidating!the!structure.!

• Determine!number!of!proton!families!

• Classify!resonances!by!chemical!shift!

• Determine!fragments!by!integration!(CH,!CH2,!CH3…etc.)!

!

3. When!finished,!look!at!your!answer!and!ask!yourself!if!given!this!compound,!would!you!observe!the!

NMR!you!were!given?!

!

Page! Formula!or!IR!Data! ! Page!! Formula!or!IR!Data!

1!! Br! ! 17! ester!

2!! COOH!&!Br! ! 18! C=O!

3!! Cl! ! 19! ether!

4!! OH!&!Cl! ! 20! ester!&!Br!

5!! C=O! ! 21! ester!

6!! COOH!&!I! ! 22! ether!!

7!! C=O! ! 23! ester!

8!! C=O! ! 24! C=O!

9!! Br!&!C=O! ! 25! ester!&!Cl!

10!! COOH!&!Br! ! 26! amine!

11! Cl!&!OH! ! 27! amine!

12! Cl!&!OH! ! 28! ester!

13! amine! ! 29! ester!

14! Br!&!amine! ! 30! amine!

15! Cl!&!OH! ! 31! ester!

16! C=O! ! 32! C=O!

! ! ! 33! Br!

!

12 11 10 9 8 7 6 5 4 3 2 1 0

240 220 200 180 160 140 120 100 80 60 40 20 0CDCl3 QE-300

1 1

12 11 10 9 8 7 6 5 4 3 2 1 0

240 220 200 180 160 140 120 100 80 60 40 20 0

Offset: 0.4 ppm.

CDCl3 QE-300 2 2

12 11 10 9 8 7 6 5 4 3 2 1 0

240 220 200 180 160 140 120 100 80 60 40 20 0CDCl3 QE-300

3 3

12 11 10 9 8 7 6 5 4 3 2 1 0

240 220 200 180 160 140 120 100 80 60 40 20 0QE-300

4 4

12 11 10 9 8 7 6 5 4 3 2 1 0

240 220 200 180 160 140 120 100 80 60 40 20 0CDCl3 QE-300

5 5

12 11 10 9 8 7 6 5 4 3 2 1 0

240 220 200 180 160 140 120 100 80 60 40 20 0

Offset: 1.6 ppm.

DMSO-d6 QE-300 6 6

12 11 10 9 8 7 6 5 4 3 2 1 0

240 220 200 180 160 140 120 100 80 60 40 20 0CDCl3 QE-300

7 7

12 11 10 9 8 7 6 5 4 3 2 1 0

240 220 200 180 160 140 120 100 80 60 40 20 0CDCl3 QE-300

8 8

12 11 10 9 8 7 6 5 4 3 2 1 0

240 220 200 180 160 140 120 100 80 60 40 20 0CDCl3 QE-300

9 9

12 11 10 9 8 7 6 5 4 3 2 1 0

240 220 200 180 160 140 120 100 80 60 40 20 0CDCl3 QE-300

10 10

12 11 10 9 8 7 6 5 4 3 2 1 0

240 220 200 180 160 140 120 100 80 60 40 20 0CDCl3 QE-300

11 11

12 11 10 9 8 7 6 5 4 3 2 1 0

240 220 200 180 160 140 120 100 80 60 40 20 0CDCl3 QE-300

12 12

12 11 10 9 8 7 6 5 4 3 2 1 0

240 220 200 180 160 140 120 100 80 60 40 20 0CDCl3 QE-300

13 13

12 11 10 9 8 7 6 5 4 3 2 1 0

240 220 200 180 160 140 120 100 80 60 40 20 0CDCl3 QE-300

14 14

12 11 10 9 8 7 6 5 4 3 2 1 0

240 220 200 180 160 140 120 100 80 60 40 20 0CDCl3 QE-300

15 15

12 11 10 9 8 7 6 5 4 3 2 1 0

240 220 200 180 160 140 120 100 80 60 40 20 0CDCl3 QE-300

16 16

12 11 10 9 8 7 6 5 4 3 2 1 0

240 220 200 180 160 140 120 100 80 60 40 20 0CDCl3 QE-300

17 17

12 11 10 9 8 7 6 5 4 3 2 1 0

240 220 200 180 160 140 120 100 80 60 40 20 0CDCl3 QE-300

18 18

12 11 10 9 8 7 6 5 4 3 2 1 0

240 220 200 180 160 140 120 100 80 60 40 20 0CDCl3 QE-300

19 19

12 11 10 9 8 7 6 5 4 3 2 1 0

240 220 200 180 160 140 120 100 80 60 40 20 0CDCl3 QE-300

20 20

12 11 10 9 8 7 6 5 4 3 2 1 0

240 220 200 180 160 140 120 100 80 60 40 20 0CDCl3 QE-300

21 21

12 11 10 9 8 7 6 5 4 3 2 1 0

240 220 200 180 160 140 120 100 80 60 40 20 0CDCl3 QE-300

22 22

12 11 10 9 8 7 6 5 4 3 2 1 0

240 220 200 180 160 140 120 100 80 60 40 20 0CDCl3 QE-300

23 23

12 11 10 9 8 7 6 5 4 3 2 1 0

240 220 200 180 160 140 120 100 80 60 40 20 0CDCl3 QE-300

24 24

12 11 10 9 8 7 6 5 4 3 2 1 0

240 220 200 180 160 140 120 100 80 60 40 20 0CDCl3 QE-300

25 25

12 11 10 9 8 7 6 5 4 3 2 1 0

240 220 200 180 160 140 120 100 80 60 40 20 0CDCl3 QE-300

26 26

12 11 10 9 8 7 6 5 4 3 2 1 0

240 220 200 180 160 140 120 100 80 60 40 20 0CDCl3 QE-300

27 27

12 11 10 9 8 7 6 5 4 3 2 1 0

240 220 200 180 160 140 120 100 80 60 40 20 0CDCl3 QE-300

28 28

12 11 10 9 8 7 6 5 4 3 2 1 0

240 220 200 180 160 140 120 100 80 60 40 20 0CDCl3 QE-300

29 29

12 11 10 9 8 7 6 5 4 3 2 1 0

240 220 200 180 160 140 120 100 80 60 40 20 0CDCl3 QE-300

30 30

12 11 10 9 8 7 6 5 4 3 2 1 0

240 220 200 180 160 140 120 100 80 60 40 20 0CDCl3 QE-300

31 31

12 11 10 9 8 7 6 5 4 3 2 1 0

240 220 200 180 160 140 120 100 80 60 40 20 0CDCl3 QE-300

32 32

12 11 10 9 8 7 6 5 4 3 2 1 0

240 220 200 180 160 140 120 100 80 60 40 20 0CDCl3 QE-300

33 33

CHEM%212% NMR%Problem%Set%2!!

X% Spring!2014!!

1!!

!

8!!

!

15!

!

22!

!

29!

!2!!

!

9!!

!

16!

!

23!

!

30!

!

3!!

!

10!!

!

17!

!

24!

!

31!

!

4!!

!

11!

!

18!

!

25!

!

32!

!

5!!

!

12!

!

19!!

26!

!

33!!

6!!

!

13!

!

20!

!

27!

!

!!

7!!

!

14!

!

21!

!

28!

!

!!

!

Br O

HO

ClO

O

O

OHBrO O

BrO

O

OH2N

Cl

HO

O

Br O

OO

O

O

Cl

OHHO Cl

O

H

Cl

O

OH

O

O

OHClO N Br

I

O

OHH2N

O

O

BrNH2

O

H2N

Br

O

O O

O

34 34

top related