Home > Name List By 1 > 1(3H)-Isobenzofuranone,6,7-dimethoxy-3-[(5R)-5,6,7,8-tetrahydro-6-methyl-1,3-dioxolo[4,5-g]isoquinolin-5-yl]-,(3S)- China

CAS No 118-08-1 , 1(3H)-Isobenzofuranone,6,7-dimethoxy-3-[(5R)-5,6,7,8-tetrahydro-6-methyl-1,3-dioxolo[4,5-g]isoquinolin-5-yl]-,(3S)- Search by region : China

  • Name: 1(3H)-Isobenzofuranone,6,7-dimethoxy-3-[(5R)-5,6,7,8-tetrahydro-6-methyl-1,3-dioxolo[4,5-g]isoquinolin-5-yl]-,(3S)-
  • Synonyms: l-Hydrastine; (-)-Hydrastine; (-)-b-Hydrastine; b-Hydrastine; (1R,9S)-b-Hydrastine; Hydrastine (8CI);1(3H)-Isobenzofuranone,6,7-dimethoxy-3-[(5R)-5,6,7,8-tetrahydro-6-methyl-1,3-dioxolo[4,5-g]isoquinolin-5-yl]-,(3S)-;1(3H)-Isobenzofuranone,6,7-dimethoxy-3-(5,6,7,8-tetrahydro-6-methyl-1,3-dioxolo[4,5-g]isoquinolin-5-yl)-,[S-(R*,S*)]-; 1,3-Dioxolo[4,5-g]isoquinoline,1(3H)-isobenzofuranone deriv.;
  • CAS Registry Number:
  • Transport: 1544
  • Flash Point: 285.7°C
  • Boiling Point: 548.8°Cat760mmHg
  • Density: 1.339g/cm3
  • Refractive index: 1.614
  • Safety Statements:
    Hazard Codes Xn
    Risk Statements 20/21/22
    Safety Statements 36
    RIDADR 1544
    WGK Germany 3
    RTECS MU6030000
    HazardClass 6.1(b)
    PackingGroup III
  • Hazard Symbols: Xn: Harmful;
  • Flash Point: 285.7°C
  • EINECS: 204-233-0
  • Molecular Weight: 383.39
  • InChI: InChI=1/C21H21NO6/c1-22-7-6-11-8-15-16(27-10-26-15)9-13(11)18(22)19-12-4-5-14(24-2)20(25-3)17(12)21(23)28-19/h4-5,8-9,18-19H,6-7,10H2,1-3H3/t18-,19-/m1/s1
  • Risk Statements: 20/21/22
  • Molecular Formula: C21H21 N O6
  • Molecular Structure:CAS No:118-08-1 1(3H)-Isobenzofuranone,6,7-dimethoxy-3-[(5R)-5,6,7,8-tetrahydro-6-methyl-1,3-dioxolo[4,5-g]isoquinolin-5-yl]-,(3S)-

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118-08-1 HYDRASTINE

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References of 1(3H)-Isobenzofuranone,6,7-dimethoxy-3-[(5R)-5,6,7,8-tetrahydro-6-methyl-1,3-dioxolo[4,5-g]isoquinolin-5-yl]-,(3S)-
Title: Hydrastine
CAS Registry Number: 118-08-1
CAS Name: (3S)-6,7-Dimethoxy-3-[(5R)-5,6,7,8-tetrahydro-6-methyl-1,3-dioxolo[4,5-g]isoquinolin-5-yl]-1(3H)-isobenzofuranone
Synonyms: l-b-hydrastine
Molecular Formula: C21H21NO6
Molecular Weight: 383.39
Percent Composition: C 65.79%, H 5.52%, N 3.65%, O 25.04%
Literature References: Isoln of naturally occurring l-b-form from Hydrastis canadensis L., Ranunculaceae together with berberine and canadine. Synthesis of diastereoisomeric mixtures of hydrastines: Hope et al., J. Chem. Soc. 1931, 236; Marshall et al., ibid. 1934, 1315; M. Hanaoka et al., Chem. Pharm. Bull. 27, 1947 (1979); J. R. Falck, S. Manna, Tetrahedron Lett. 22, 619 (1981). Resolution to the l-b-form: Haworth, Pinder, J. Chem. Soc. 1950, 1776; Haworth et al., Nature 165, 529 (1950). Structure: Knabe, Arch. Pharm. 293, 121 (1960). Abs config: Ohta et al., Tetrahedron Lett. 1963, 859; Blaha et al., Collect. Czech. Chem. Commun. 29, 2328 (1964); Snatzke et al., Tetrahedron 25, 5059 (1969). Biosynthesis: Gear, Spenser, Can. J. Chem. 41, 783 (1963).
Properties: Orthorhombic prisms from alc, mp 132°. [a]D20 -50° (c = 0.3 in abs alc). uv max (ethanol): 202, 218, 238, 298, 316 nm (log e 4.79, 4.53, 4.15, 3.86, 3.63). pK 7.8. Freely sol in acetone and benzene; insol in water. The salts hydrolyze easily and do not crystallize well.
Melting point: mp 132°
pKa: pK 7.8
Optical Rotation: [a]D20 -50° (c = 0.3 in abs alc)
Absorption maximum: uv max (ethanol): 202, 218, 238, 298, 316 nm (log e 4.79, 4.53, 4.15, 3.86, 3.63)
 
Derivative Type: Hydrochloride
CAS Registry Number: 5936-28-7
Molecular Formula: C21H21NO6.HCl
Molecular Weight: 419.86
Percent Composition: C 60.07%, H 5.28%, N 3.34%, O 22.86%, Cl 8.44%
Literature References: Prepn: R. Paech, M. V. Tracy, Modern Methods of Plant Analysis vol. IV (Springer-Verlag, Berlin, 1955) p 383.
Properties: Powder, mp 116°. [a]D17 +127° (c = 4 in dil HCl). Very sol in water, alcohol; slightly sol in CHCl3; very slightly in ether. pH (0.5% aq soln): 4.2. Hygroscopic. Keep well closed.
Melting point: mp 116°
Optical Rotation: [a]D17 +127° (c = 4 in dil HCl)
 
Therap-Cat: Hydrochloride formerly as uterine hemostatic, antiseptic.
Keywords: Antiseptic/Disinfectant; Quinolines.