os2.pdf

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Slajd 1
Układy spinowe
A 2 , AB, AX
J AX
d A d X = Dd
Dd / J < 10
.
.
AB
d A
d X
193481841.005.png 193481841.006.png
AB
a 1 a 2 b 1 b 2
a 1 - b 1 = a 2 - b 2 = 2C
Dn =
4C 2 - J 2
Dn =
(2C - J) (2C + J)
Dn =
(a 2 - b 1 ) (a 1 - b 2 )
193481841.007.png 193481841.008.png
H H
H H
A 2
AB
Cl
D H
C
H i H diastereotopowe
Cl
H 3
C
OMe
H H
C
H 3
C
C
OMe
Cl
diasteroizomery
H D
C
H 3
C
OMe
C
C
193481841.001.png 193481841.002.png
13 C MRJ
12 C = 98,7 % 13 C = 1,108 %
g
1 H = 2,674 x 10 8 s -1 T -1
g
13 C = 0,672 x 10 8 s -1 T -1
g
13 C = 0,2514 g
1 H 0,0159
193481841.003.png
13 C MRJ
12 C = 98,7 % 13 C = 1,108 %
g
1 H = 2,674 x 10 8 s -1 T -1
g
13 C = 0,672 x 10 8 s -1 T -1
n = 400 MHz
n = 100 MHz
B 0
g
13 C = 0,2514 g
1 H
DE
czułość proporcjonalna do g
3 0,0159
DE
1 H 13 C
193481841.004.png
 
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