Home > Name List By other > (3S,3aR,4S,5aS,9bS)-4-hydroxy-3,5a,9-trimethyl-3a,4,5, 9b-tetrahydro-3H-benzo[g][1]benzofuran-2,8-dione India

CAS No 481-05-0 , (3S,3aR,4S,5aS,9bS)-4-hydroxy-3,5a,9-trimethyl-3a,4,5,
9b-tetrahydro-3H-benzo[g][1]benzofuran-2,8-dione Search by region : India

  • Name: (3S,3aR,4S,5aS,9bS)-4-hydroxy-3,5a,9-trimethyl-3a,4,5,
    9b-tetrahydro-3H-benzo[g][1]benzofuran-2,8-dione
  • Synonyms: CHEMBL158124; AC1L22FQ;(3S,3aR,4S,5aS,9bS)-4-hydroxy-3,5a,9-trimethyl-3a,4,5,
    9b-tetrahydro-3H-benzo[g][1]benzofuran-2,8-dione; C09344; SureCN83537; SRI-2813;481-05-0;
  • CAS Registry Number:
  • Transport: 2811
  • Flash Point: 178.8°C
  • Boiling Point: 470.4°Cat760mmHg
  • Density: 1.26g/cm3
  • Refractive index: 1.567
  • Safety Statements: RIDADR 2811HazardClass 6.1(a)PackingGroup II
  • Flash Point: 178.8°C
  • Molecular Weight: 262.30102
  • InchiKey: LUHMMHZLDLBAKX-DBIGVJDZSA-N
  • InChI: InChI=1S/C15H18O4/c1-7-9(16)4-5-15(3)6-10(17)11-8(2)14(18)19-13(11)12(7)
    15/h4-5,8,10-11,13,17H,6H2,1-3H3/t8-,10-,11+,13-,15+/m0/s1
  • Molecular Formula: C15H18O4
  • Molecular Structure:CAS No:481-05-0 (3S,3aR,4S,5aS,9bS)-4-hydroxy-3,5a,9-trimethyl-3a,4,5,<br />9b-tetrahydro-3H-benzo[g][1]benzofuran-2,8-dione

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481-05-0 Artemisin

  • Artemisin
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References of (3S,3aR,4S,5aS,9bS)-4-hydroxy-3,5a,9-trimethyl-3a,4,5,
9b-tetrahydro-3H-benzo[g][1]benzofuran-2,8-dione
Title: Artemisin
CAS Registry Number: 481-05-0
CAS Name: (3S,3aR,4S,5aS,9bS)-3a,5,5a,9b-Tetrahydro-4-hydroxy-3,5a,9-trimethylnaphtho[1,2-b]furan-2,8(3H,4H)-dione
Synonyms: 6a,8a-dihydroxy-3-oxoeudesma-1,4-dien-12-oic acid 12,6-lactone; 8-hydroxysantonin
Molecular Formula: C15H18O4
Molecular Weight: 262.30
Percent Composition: C 68.68%, H 6.92%, O 24.40%
Literature References: From the closed, unexpanded flower heads of several Artemisia spp, especially Artemisia maritima L., and A. cina Berg., Compositae ("wormseed"). Found in the mother liquors from the extraction of santonin. Isoln: E. Merck, E. Merck's Jahresber. 1894, 3; Chem. Zentralbl. 1895, I, 436. Structure: Sumi, J. Am. Chem. Soc. 80, 4869 (1958); Cocker, McMurry, Tetrahedron 8, 181 (1960). Stereochemistry: Bolt et al., J. Chem. Soc. 1963, 5235. Synthesis of (+)-artemisin: Nakazaki, Naemura, Tetrahedron Lett. 1966, 2615.
Properties: Crystals from abs ethanol or ethyl acetate. Bitter taste. Turns yellow on exposure to light. mp 203°. bp0.1 260°. Sublimes760 170-175°. [a]D23 -84.9° (c = 3 in 95% ethanol). One gram dissolves in 60 ml boiling water, in 3 ml boiling alc. Sol in ethyl acetate. Practically insol in petr ether. Somewhat sol in chloroform.
Melting point: mp 203°
Boiling point: bp0.1 260°
Optical Rotation: [a]D23 -84.9° (c = 3 in 95% ethanol)