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Proximate coupling between methyl and ring protons is used to deduce the conformational preference of 1‐methoxynaphthalene (1), 2‐methoxynaphthalene (2) and 1‐acetylnaphthalene (3). Molecular orbital calculations at the CNDO/2 and INDO levels are used to calculate the energy and proton‐proton coupling constants in 1, 2 and 3.
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Salman R. Salman (1985) studied this question.
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