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CAS No 32383-76-9 , 3-Hydroxy-9-methoxypterocarpan, (-)

  • Name: 3-Hydroxy-9-methoxypterocarpan, (-)
  • Synonyms: 3-Hydroxy-9-methoxypterocarpan, (-);
  • CAS Registry Number:
  • Flash Point: 207.1°C
  • Boiling Point: 418.8°Cat760mmHg
  • Density: 1.319g/cm3
  • Refractive index: 1.629
  • Flash Point: 207.1°C
  • Molecular Weight: 270.28
  • InChI: InChI=1/C16H14O4/c1-18-10-3-5-11-13-8-19-14-6-9(17)2-4-12(14)16(13)20-15(11)7-10/h2-7,13,16-17H,8H2,1H3/t13-,16-/m0/s1
  • Molecular Formula: C16H14O4
  • Molecular Structure:CAS No:32383-76-9 3-Hydroxy-9-methoxypterocarpan, (-)

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References of 3-Hydroxy-9-methoxypterocarpan, (-)
Title: Medicarpin
CAS Registry Number: 32383-76-9
CAS Name: (6aR,11aR)-6a,11a-Dihydro-9-methoxy-6H-benzofuro[3,2-c][1]benzopyran-3-ol
Synonyms: (-)-3-hydroxy-9-methoxypterocarpan; demethylhomopterocarpin
Molecular Formula: C16H14O4
Molecular Weight: 270.28
Percent Composition: C 71.10%, H 5.22%, O 23.68%
Literature References: Antifungal phytoalexin produced by leguminous species. Isoln from the heartwood of Swartzia madagascariensis Desv., Caesalpinioidae: S. H. Harper et al., Chem. Ind. (London) 1965, 562; from alfalfa, Medicago sativa L., Leguminosae: D. G. Smith et al., Physiol. Plant Pathol. 1, 41, (1971); from red clover, Trifolium pratense L., Leguminosae: V. J. Higgins, D. G. Smith, Phytopathology 62, 235 (1972). 13C-NMR: A. A. Chalmers et al., Tetrahedron 33, 1735 (1977). HPLC: J. Koster et al., J. Chromatogr. 270, 392 (1983). Synthesis of racemic form: W. Cocker et al., J. Chem. Soc. C 1965, 1034. Biosynthetic studies: P. M. Dewick, Chem. Commun. 1975, 656; S. W. Banks et al., ibid. 1982, 157; H. A. M. Al-Ani, P. M. Dewick, J. Chem. Soc. Perkin Trans. 1 1984, 2831. Antifungal properties: L. J. Duczek, V. J. Higgins, Can. J. Bot. 54, 2620 (1976); H. D. Van Etten, Phytochemistry 15, 655 (1976); A. O. Latunde-Dada, J. A. Lucas, Physiol. Plant Pathol. 26, 31 (1985).
Properties: Prisms from benzene, mp 127.5-128.5°. [a]D22 -226° (chloroform). uv max: 207, 282, 287, 310 nm (log e 4.86, 3.97, 4.01, 3.38).
Melting point: mp 127.5-128.5°
Optical Rotation: [a]D22 -226° (chloroform)
Absorption maximum: uv max: 207, 282, 287, 310 nm (log e 4.86, 3.97, 4.01, 3.38)
 
Derivative Type: (±)-Form
Properties: Prisms from ethyl acetate/light petroleum, mp 194-195°.
Melting point: mp 194-195°