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CAS No 90-29-9 , 3-(1,3-benzodioxol-5-yl)-7-hydroxychromen-4-one

  • Name: 3-(1,3-benzodioxol-5-yl)-7-hydroxychromen-4-one
  • Synonyms: .psi.-Baptigenin; CHEBI:8602; |x-Baptigenin; 7-Hydroxy-3',4'-methylenedioxyisoflavone; Psi-baptigenin;Pseudobaptigenin;3-(1,3-benzodioxol-5-yl)-7-hydroxychromen-4-one; NSC100796; 90-29-9; NSC-100796;
  • CAS Registry Number:
  • Flash Point: 197.8°C
  • Boiling Point: 510.6°C at 760 mmHg
  • Density: 1.494g/cm3
  • Refractive index: 1.69
  • Flash Point: 197.8°C
  • Molecular Weight: 282.2476
  • InchiKey: KNJNBKINYHZUGC-UHFFFAOYSA-N
  • InChI: InChI=1S/C16H10O5/c17-10-2-3-11-14(6-10)19-7-12(16(11)18)9-1-4-13-15(5-
    9)21-8-20-13/h1-7,17H,8H2
  • Molecular Formula: C16H10O5
  • Molecular Structure:CAS No:90-29-9 3-(1,3-benzodioxol-5-yl)-7-hydroxychromen-4-one

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90-29-9 PSEUDOBAPTIGENIN(RG)

  • PSEUDOBAPTIGENIN(RG)7-Hydroxy-3',4'-(methylenedioxy)-isoflavone
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References of 3-(1,3-benzodioxol-5-yl)-7-hydroxychromen-4-one
Title: Pseudobaptigenin
CAS Registry Number: 90-29-9
CAS Name: 3-(1,3-Benzodioxol-5-yl)-7-hydroxy-4H-1-benzopyran-4-one
Synonyms: 7-hydroxy-3￠,4￠-(methylenedioxy)isoflavone
Molecular Formula: C16H10O5
Molecular Weight: 282.25
Percent Composition: C 68.09%, H 3.57%, O 28.34%
Literature References: The aglycon of pseudobaptisin. Prepn by hydrolysis of natural pseudobaptisin: Gorter, Arch. Pharm. 235, 494 (1897). Structure: Sp?th, Schmidt, Monatsh. Chem. 53, 454 (1929). Syntheses: Sp?th, Lederer, Ber. 63, 743 (1930); Mahal et al., J. Chem. Soc. 1934, 1771; Baker et al., ibid. 1937, 805; 1953, 1852; Farkas, Ber. 91, 2858 (1958); Dhoubhadel, Joshi, J. Indian Chem. Soc. 52, 440 (1975).
Properties: Long, felted needles from alc, dec 296-298°. Sublimes in high vacuum at ~220°. Sparingly sol in the usual solvents.
 
Derivative Type: 7-Rhamnoglucoside trihydrate
Synonyms: Pseudobaptisin
Molecular Formula: C28H30O14.3H2O
Molecular Weight: 644.58
Percent Composition: C 52.17%, H 5.63%, O 42.20%
Properties: Crystals, becomes anhydr at 120°. mp 148-150° (evac tube). If heating is continued, it resolidif at 180-210° and melts again at 249-251°. [a]D14 -98.1° (c = 1.1 in methanol). Freely sol in methanol, hot water, hot acetone.
Melting point: mp 148-150° (evac tube). If heating is continued, it resolidif at 180-210° and melts again at 249-251°
Optical Rotation: [a]D14 -98.1° (c = 1.1 in methanol)