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CAS No 500-62-9 , 4-methoxy-6-[(E)-2-(4-methoxyphenyl)ethenyl]pyran-2-one Search by region : China

  • Name: 4-methoxy-6-[(E)-2-(4-methoxyphenyl)ethenyl]pyran-2-one
  • Synonyms: NSC212502;500-62-9; 4-Methoxy-6-(p-methoxystyryl)-2H-pyran-2-one; NSC 212502; 4-Methoxy-6-(beta-(p-anisyl)vinyl)-alpha-pyrone;4-methoxy-6-[(E)-2-(4-methoxyphenyl)ethenyl]pyran-2-one;
  • CAS Registry Number:
  • Melting Point: 155-157ºC
  • Density: 1.2 g/cm3
  • Refractive index: 1.577
  • Molecular Weight: 258.26926
  • InchiKey: XLHIYUYCSMZCCC-VMPITWQZSA-N
  • InChI: InChI=1S/C15H14O4/c1-17-12-6-3-11(4-7-12)5-8-13-9-14(18-2)10-15(16)19-
    13/h3-10H,1-2H3/b8-5+
  • Molecular Formula: C15H14O4
  • Molecular Structure:CAS No:500-62-9 4-methoxy-6-[(E)-2-(4-methoxyphenyl)ethenyl]pyran-2-one

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500-62-9 Yangonin

  • Yangonin, Min 99%
  • China Finechemie Co., Ltd. [Manufacturer]
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500-62-9 yangonin

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500-62-9 4-METHOXY-6-(P-METHOXYSTYRYL)-2H-PYRAN-2-ONE

  • China Nanjing Chemlin Chemical Industry Co.,Ltd. [Manufacturer]
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  • Address: Rm.902 Longyin Plaza,
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References of 4-methoxy-6-[(E)-2-(4-methoxyphenyl)ethenyl]pyran-2-one
Title: Yangonin
CAS Registry Number: 500-62-9
CAS Name: (E)-4-Methoxy-6-[2-(4-methoxyphenyl)ethenyl]-2H-pyran-2-one
Synonyms: 4-methoxy-6-(p-methoxystyryl)-2H-pyran-2-one; 5-hydroxy-3-methoxy-7-(p-methoxyphenyl)-2,4,6-heptatrienoic acid d-lactone; 4-methoxy-6-[b-(p-anisyl)vinyl]-a-pyrone; 6-(p-methoxystyryl)-4-methoxy-a-pyrone
Molecular Formula: C15H14O4
Molecular Weight: 258.27
Percent Composition: C 69.76%, H 5.46%, O 24.78%
Literature References: From root of Piper methysticum Forst., Piperaceae (kava): Winzhermer, Arch. Pharm. 246, 338 (1908); Borsche, Gerhardt, Ber. 47, 2902 (1914). From Ranunculus quelpaertensis Nakai, Ranunculaceae: Shibata et al., Bull. Chem. Soc. Jpn. 45, 930 (1972). Structure: Chmielewska et al., Tetrahedron 4, 36 (1958); Bu'Lock, Smith, J. Chem. Soc. 1960, 502. Synthesis: Harris, Combs, J. Org. Chem. 33, 2399 (1968); R. Bacardit, J. Heterocycl. Chem. 19, 157 (1982). Molecular and crystal structure: Engel, Nowacki, Z. Kristallogr. Kristallgeom. Kristallphys. Kristallchem. 134, 180 (1971). Activity studies: Kretzschmar et al., Arch. Int. Pharmacodyn. Ther. 180, 471 (1969).
Properties: Crystals from methanol, mp 155-157°. uv max (ethanol): 360 nm (log e 4.33). Practically insol in water; sol in hot alcohol, glacial acetic acid, ethyl acetate, acetone; slightly sol in benzene, ether.
Melting point: mp 155-157°
Absorption maximum: uv max (ethanol): 360 nm (log e 4.33)
 
Derivative Type: Dihydroyangonin
Molecular Formula: C15H16O4
Molecular Weight: 260.29
Percent Composition: C 69.22%, H 6.20%, O 24.59%
Properties: Needles from alc, mp 106-107°. uv max (methanol): 274, 228 nm (log e 3.82, 3.71).
Melting point: mp 106-107°
Absorption maximum: uv max (methanol): 274, 228 nm (log e 3.82, 3.71)