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CAS No 482-44-0 , 9-(3-methylbut-2-enoxy)furo[3,2-g]chromen-7-one

  • Name: 9-(3-methylbut-2-enoxy)furo[3,2-g]chromen-7-one
  • Synonyms: Ammidin; Marmelosin;9-(3-methylbut-2-enoxy)furo[3,2-g]chromen-7-one; NSC 402949; 8-Isoamylenoxypsoralen; CCRIS 4346; 8-Isopentenyloxypsoralene; Pentosalen; 482-44-0;
  • CAS Registry Number:
  • Melting Point: 98-100°C
  • Density: 1.242 g/cm3
  • Refractive index: 1.606
  • Water Solubility: Soluble in chloroform
  • Safety Statements: Moderately toxic by parenteral route. Human mutation data reported. When heated to decomposition it emits acrid smoke and fumes.
  • EINECS: 207-581-1
  • Molecular Weight: 270.27996
  • InchiKey: OLOOJGVNMBJLLR-UHFFFAOYSA-N
  • InChI: InChI=1S/C16H14O4/c1-10(2)5-7-19-16-14-12(6-8-18-14)9-11-3-4-13(17)20-15
    (11)16/h3-6,8-9H,7H2,1-2H3
  • Molecular Formula: C16H14O4
  • Molecular Structure:CAS No:482-44-0 9-(3-methylbut-2-enoxy)furo[3,2-g]chromen-7-one

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References of 9-(3-methylbut-2-enoxy)furo[3,2-g]chromen-7-one
Title: Imperatorin
CAS Registry Number: 482-44-0
CAS Name: 9-[(3-Methyl-2-butenyl)oxy]-7H-furo[3,2-g][1]benzopyran-7-one
Synonyms: 6-hydroxy-7-(3-methyl-2-butenyloxy)-5-benzofuranacrylic acid d-lactone; 8-isoamylenoxypsoralen; marmelosin; ammidin; pentosalen
Molecular Formula: C16H14O4
Molecular Weight: 270.28
Percent Composition: C 71.10%, H 5.22%, O 23.68%
Literature References: From roots of Imperatoria osthruthium L., Umbelliferae: Sp?th, Holzen, Ber. 66, 1137 (1933); from seeds of Angelica archangelica L.: Sp?th, Vierhapper, ibid. 71, 1667 (1938); from fruit of Pastinaca sativa L., Umbelliferae: Soine et al., J. Am. Pharm. Assoc. 45, 426 (1956). Identity with marmelosin: Sp?th et al., Ber. 70, 1021 (1937). Identity with ammidin: Fahmy, Abu-Shady, Q. J. Pharm. Pharmacol. 21, 499 (1948). Partial synthesis: Sp?th, Holzen, Ber. 68, 1123 (1935). Synthesis: Sp?th, Vierhapper, ibid. 70, 248 (1937).
Properties: Prisms from ether, long fine needles from hot water, mp 102°. Practically insol in cold water. Very sparingly sol in boiling water; freely sol in chloroform; sol in benzene, alcohol, ether, petr ether, alkali hydroxides. uv max: 302, 265, 250 nm (log e 3.95, 4.00, 4.24).
Melting point: mp 102°
Absorption maximum: uv max: 302, 265, 250 nm (log e 3.95, 4.00, 4.24)