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HNMR
Table:
Corresponding H | Shift | Multiplicity | Coupling Constant(s) | Integration | Explanation |
a | 3.87 | dd | 12.8,6.7 | 1H | Hydrogen in OH group |
b | 3.82 | dd | 12.8,3.8 | 1H | Coupled to Ha and Hc, cis to O bridge |
h | 3.22 | d | 1.3 | 1H | Cis to O bridge |
j | 2.43 | ddd | 13.6,11.6,6.3 | 1H | ddd closest to ketone and cis to O bridge |
c | 2.30 | d | 6.7 | 1H | must be C |
i | 2.20 | ddd | 18.8, 11.6, 6.9 | 1H | Trans to O bridge, coupled with other H's |
g | 1.87 | ddd | 13.6,11.6,6.3 | 1H | Trans to O bridge, couple with other H's |
d | 1.34 | dddd | 13.6,6.9,3.3,1.3 | 1H | long coupled to 4 H's |
f | 1.19 | s | N/A | 3H | Methyl group closer to O bridge |
e | 1.04 | s | N/A | 3H | Methy group further away from O Bridge |