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CAS No 484-12-8 , 7-methoxy-8-(3-methylbut-2-enyl)chromen-2-one

  • Name: 7-methoxy-8-(3-methylbut-2-enyl)chromen-2-one
  • Synonyms: 7-Methoxy-8-isopentenylcoumarin; 7-methoxy-8-(3-methyl-2-butenyl)-; 2H-1-Benzopyran-2-one; Ostole; Osthol; 484-12-8; Ostol;Osthole;7-methoxy-8-(3-methylbut-2-enyl)chromen-2-one;
  • CAS Registry Number:
  • Melting Point: 83-84 ºC
  • Density: 1.126 g/cm3
  • Molecular Weight: 244.28574
  • InchiKey: MBRLOUHOWLUMFF-UHFFFAOYSA-N
  • InChI: InChI=1S/C15H16O3/c1-10(2)4-7-12-13(17-3)8-5-11-6-9-14(16)18-15(11)12/
    h4-6,8-9H,7H2,1-3H3
  • Molecular Formula: C15H16O3
  • Molecular Structure:CAS No:484-12-8 7-methoxy-8-(3-methylbut-2-enyl)chromen-2-one

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References of 7-methoxy-8-(3-methylbut-2-enyl)chromen-2-one
Title: Osthole
CAS Registry Number: 484-12-8
CAS Name: 7-Methoxy-8-(3-methyl-2-butenyl)-2H-1-benzopyran-2-one
Synonyms: 7-methoxy-8-(3-methyl-2-butenyl)coumarin; 8-(3-methyl-2-butenyl)herniarin
Molecular Formula: C15H16O3
Molecular Weight: 244.29
Percent Composition: C 73.75%, H 6.60%, O 19.65%
Literature References: From rhizome of Peucedanum ostruthium (L.) Koch (Imperatoria ostruthium L.) Umbelliferae: Herzog, Krohn, Arch. Pharm. 247, 553 (1909); Butenandt, Marten, Ann. 495, 187 (1932); from Prangos pabularia Lindl., Umbelliferae: Pigulevskii, Kuznetsova, Dokl. Akad. Nauk SSSR 61, 309 (1948), C.A. 43, 3416d (1949); from Flindersia bennettiana F. Muell., Rutaceae: Galbraith et al., Aust. J. Chem. 13, 427 (1960). Structure: Sp?th, Pesta, Ber. 66, 754 (1933). Synthesis: Sp?th, Holzen, ibid. 67, 264 (1934); Murayama et al., Chem. Pharm. Bull. 20, 741 (1972).
Properties: Prisms from ether. mp 83-84°. uv max: 322, 258 nm (e 8000, 4300). Practically insol in water; sol in aq alkalies, alcohol, chloroform, acetone, boiling petr ether.
Melting point: mp 83-84°
Absorption maximum: uv max: 322, 258 nm (e 8000, 4300)