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CAS No 1362-42-1 , 2H-7,13b-Ethenopentaleno[1'',2'':6,7

  • Name: 2H-7,13b-Ethenopentaleno[1'',2'':6,7
  • Synonyms: 5'',4'':6',7']dicyclohepta[1,2-b:1',2'-b']difuran-2,12(11H)-dione,3,3a,4,5,6,6a,6b,7,7a,8,9,10,10a,13a,13c,14b-hexadecahydro-6,8-dihydroxy-3,6,8,11,14,15-hexamethyl-,[3S-(3a,3aa,6b,6aa,6bb,7a,7ab,8a,10ab,11b,13aa,13ba,13cb,14bb)]-;5'',4'':6',7']dicyclohepta[1,2-b:1',2'-b']difuran-2,12(11H)-dione,3,3a,4,5,6,6a,6b,7,7a,8,9,10,10a,13a,13c,14b-hexadecahydro-6,8-dihydroxy-3,6,8,11,14,15-hexamethyl-,(3S,3aS,6S,6aR,6bS,7S,7aR,8S,10aS,11S,13aS,13bR,13cR,14bS)-; Absinthin (8CI); NSC 407315;2H-7,13b-Ethenopentaleno[1'',2'':6,7;
  • CAS Registry Number:
  • Flash Point: 230.8°C
  • Boiling Point: 700.6°Cat760mmHg
  • Density: 1.29g/cm3
  • Refractive index: 1.606
  • Flash Point: 230.8°C
  • Molecular Weight: 496.64
  • InChI: InChI=1/C30H40O6/c1-12-15-7-9-27(4,33)21-18(22(15)34-25(12)31)14(3)20-19(21)17-11-29(6)30(20)23(17)28(5,36-29)10-8-16-13(2)26(32)35-24(16)30/h12-13,15-17,19-24,33H,7-11H2,1-6H3/t12-,13-,15-,16-,17+,19-,20-,21-,22-,23-,24-,27-,28-,29?,30-/m0/s1
  • Molecular Formula: C30H40 O6
  • Molecular Structure:CAS No:1362-42-1 2H-7,13b-Ethenopentaleno[1'',2'':6,7

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References of 2H-7,13b-Ethenopentaleno[1'',2'':6,7
Title: Absinthin
CAS Registry Number: 1362-42-1
CAS Name: [3S-(3a,3aa,6b,6aa,6bb,7a,7ab,8a,10ab,11b,13aa,13ba,13cb,14bb)]-3,3a,4,5,6,6a,6b,7,7a,8,9,10,10a,13a,13c,14b-Hexadecahydro-6,8-dihydroxy-3,6,8,11,14,15-hexamethyl-2H-7,13b-ethenopentaleno[1￠￠,2￠￠:6,7;5￠￠,4￠￠:6￠,7￠]dicyclohepta[1,2-b:1￠,2￠-b￠]difuran-2,12(11H)-dione
Synonyms: absinthiin; absynthin
Molecular Formula: C30H40O6
Molecular Weight: 496.64
Percent Composition: C 72.55%, H 8.12%, O 19.33%
Literature References: Chief bitter principle of wormwood, Artemisia absinthium L., Compositae. Isoln by chromatography: V. Herout et al., Collect. Czech. Chem. Commun. 21, 1485 (1956); see also Chem. Ind. (London) 1955, 569. Structural studies: L. Novotny et al., ibid. 1958, 465; Collect. Czech. Chem. Commun. 25, 1492 (1960); K. Vokác et al., Tetrahedron Lett. 9, 3855 (1968). Structure: J. Beauhaire et al., ibid. 21, 3191 (1980). Total synthesis: W. Zhang et al., J. Am. Chem. Soc. 127, 18 (2005).
Properties: Colorless crystals from benzene, mp 165-166° (dec). [a]D20 +107.0° (c = 1.9 in CHCl3); [a]D20 +103.5° (c = 1.0 in CHCl3).
Melting point: mp 165-166° (dec)
Optical Rotation: [a]D20 +107.0° (c = 1.9 in CHCl3); [a]D20 +103.5° (c = 1.0 in CHCl3)