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Monday, 8 December 2014

STYRENE




A more complex splitting than we saw before can happen in alkene (e.g. styrene) or in a saturated cyclic compound. For example in styrene, signals may be split by adjacent protons, different from each other, with different coupling constant. HB of styrene which is split by an adjacent H trans to it (J = 17 Hz) and an adjacent H cis to it (J = 11 Hz).
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