Detailed NMR Characterization (Trzupek; Chem 34)

Results, 5-hexene-2-one: student report sheet

A

B

C

D

E

F

a

c

d

e

g

f

H chem shift multiplet J(x,y) J(x,y) J(x,y)

A 5.04 tdd AB, 2.2 AC, 17.0 AD, 1.1

B 4.97 tdd AB, 2.2 BC, 10.4 BD, 1.4

C 5.82 ddt AC, 17.0 BC, 10.4 CD, 6.6

D 2.33 tddd BD, 1.4 CD, 6.6 DE, 7.4

E 2.55 t DE, 7.4

F 2.16 s

C chem shift J(H)

a 114.9 160 (A,B)

c 136.7 156 (C)

d 27.5 122 (D,D)

e 42.5 124 (E,E)

f 29.7 128 (F,F,F)

g 207.8 ---

(all chemical shifts in ppm; all J values in Hz)

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