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, -Oxo-5-phenyl-2E,4E-pentadien-1-yl)-2H-1-benzopyran-2-one (2) Yellow powder

H. Nmr,

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, Yellow-orange powder

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, -Oxo-5-phenyl-2E,4E-pentadien-1-yl)-2H-1-benzopyran-2-one (4)

, Yellow-orange powder

H. Nmr, 400 MHz, CDCl 3 ): ?(ppm)= 7.08

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H. Rmn,

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, 4-diméthoxyphenyl)-2E,4E-pentadien-1-yl]-2H-1-benzopyran-2-one (8) Colorless solid, Yield: 20%, vol.Mp, p.80

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, PDB code:1C25

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