Home > Name List By 5 > 5-hydroxy-3-(4-hydroxyphenyl)-8, 8-dimethyl-6-(3-methylbut-2-enyl)pyrano[2,3-h]chromen-4-one

CAS No 482-53-1 , 5-hydroxy-3-(4-hydroxyphenyl)-8,
8-dimethyl-6-(3-methylbut-2-enyl)pyrano[2,3-h]chromen-4-one

  • Name: 5-hydroxy-3-(4-hydroxyphenyl)-8,
    8-dimethyl-6-(3-methylbut-2-enyl)pyrano[2,3-h]chromen-4-one
  • Synonyms: 482-53-1; 5-hydroxy-3-(4-hydroxyphenyl)-8,8-dimethyl-6-(3-methyl-2-butenyl)-4h,8h-benzo[1,2-b:3,4-b']dipyran-4-one; NSC21565;5-hydroxy-3-(4-hydroxyphenyl)-8,
    8-dimethyl-6-(3-methylbut-2-enyl)pyrano[2,3-h]chromen-4-one;
  • CAS Registry Number:
  • Melting Point: 404.455
  • Density: 1.258 g/cm3
  • Refractive index: 1.627
  • Molecular Weight: 404.45506
  • InchiKey: DCTLJGWMHPGCOS-UHFFFAOYSA-N
  • InChI: InChI=1S/C25H24O5/c1-14(2)5-10-17-21(27)20-22(28)19(15-6-8-16(26)9-7-15)
    13-29-24(20)18-11-12-25(3,4)30-23(17)18/h5-9,11-13,26-27H,10H2,1-4H3
  • Molecular Formula: C25H24O5
  • Molecular Structure:CAS No:482-53-1 5-hydroxy-3-(4-hydroxyphenyl)-8,<br />8-dimethyl-6-(3-methylbut-2-enyl)pyrano[2,3-h]chromen-4-one

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482-53-1 OSAJIN(P)

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References of 5-hydroxy-3-(4-hydroxyphenyl)-8,
8-dimethyl-6-(3-methylbut-2-enyl)pyrano[2,3-h]chromen-4-one
Title: Osajin
CAS Registry Number: 482-53-1
CAS Name: 5-Hydroxy-3-(4-hydroxyphenyl)-8,8-dimethyl-6-(3-methyl-2-butenyl)-4H,8H-benzo[1,2-b:3,4-b￠]dipyran-4-one
Molecular Formula: C25H24O5
Molecular Weight: 404.46
Percent Composition: C 74.24%, H 5.98%, O 19.78%
Literature References: Isoln from osage oranges, Maclura pomifera (Raf.) Schneid. (M. aurantiaca Nutt.), Moraceae: Walter et al., J. Am. Chem. Soc. 60, 574 (1938); Wolfrom, Mahan, ibid. 64, 308 (1942). Structure: Wolfrom et al., ibid. 68, 406 (1946). Synthesis of osajin 4￠-methyl ether: Jain et al., Tetrahedron 26, 1977 (1970). Synthesis of osajin: Jain, Sharma, J. Org. Chem. 39, 2215 (1974).
Properties: Light yellow crystals from xylene or 95% ethanol, mp 189° (uncorr), 193° (corr). Practically insol in water, petr ether, moderately sol in benzene, alcohol, warm carbon tetrachloride; very sol in chloroform, ether, acetone, pyridine. uv max (abs alc): 274 nm, Horowitz, Jurd, J. Org. Chem. 26, 2446 (1961).
Melting point: mp 189° (uncorr), 193° (corr)
Absorption maximum: uv max (abs alc): 274 nm, Horowitz, Jurd, J. Org. Chem. 26, 2446 (1961)
 
 
Status: This monograph has been retired and is no longer subject to revision or update.