香豆素(Coumarin)的氫、碳化學位移
香豆素(Coumarin)的氫、碳化學位移(CDCl3)a
position
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dH (600 MHz)
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dC (150 MHz)
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2
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160.8
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3
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6.40 (d, 9.6 )
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116.7
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4
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7.69 (d, 9.6)
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143.4
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4a
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118.8
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5
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7.46 (dd, 1.8, 7.8)
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127.8
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6
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7.26 (m)
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124.4
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7
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7.51 (m)
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131.8
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8
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6.70 (br d, 8.4)
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116.9
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8a
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154.0
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a(Multiplicity, J in Hz) in ppm.
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