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CAS No 559-74-0 , Friedelin

  • Name: Friedelin
  • Synonyms: Friedelin;Friedelan-3-one;
  • CAS Registry Number:
  • Melting Point: 262-265 ºC
  • Flash Point: 233.9°C
  • Boiling Point: 477.2°Cat760mmHg
  • Density: 0.963g/cm3
  • Refractive index: 1.502
  • Flash Point: 233.9°C
  • EINECS: 209-205-1
  • Molecular Weight: 426.72
  • InChI: InChI=1/C30H50O/c1-20-21(31)9-10-22-27(20,5)12-11-23-28(22,6)16-18-30(8)24-19-25(2,3)13-14-26(24,4)15-17-29(23,30)7/h20,22-24H,9-19H2,1-8H3/t20-,22?,23?,24?,26+,27+,28-,29+,30-/m0/s1
  • Molecular Formula: C30H50O
  • Molecular Structure:CAS No:559-74-0 Friedelin

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References of Friedelin
Title: Friedelin
CAS Registry Number: 559-74-0
CAS Name: D:A-Friedooleanan-3-one
Synonyms: friedelan-3-one
Molecular Formula: C30H50O
Molecular Weight: 426.72
Percent Composition: C 84.44%, H 11.81%, O 3.75%
Literature References: Major triterpene constituent of cork, obtained by extraction of ground cork with alc. Isoln: Istrati, Ostrogovich, Compt. Rend. 128, 1581 (1899). Isolated also from Ceratopetalum apetalum D. Don, Cunoniaceae: Jefferies, J. Chem. Soc. 1954, 473. Structure, sterochemistry: Brownlie et al., Chem. Ind. (London) 1955, 1156; Kane, Stevenson, Tetrahedron 15, 223 (1961); Stevenson, J. Org. Chem. 28, 188 (1963). Total synthesis of (±)-form: R. E. Ireland, D. M. Walba, Tetrahedron Lett. 1976, 1071.
Properties: Needles from ethyl acetate or alcohol, mp 263-263.5°. [a]D -27.8° (chloroform). One gram dissolves in 8.6 ml chloroform, 264 ml 99% alcohol.
Melting point: mp 263-263.5°
Optical Rotation: [a]D -27.8° (chloroform)