ChemSpider 2D Image | (3aS,4S,7aR)-4-Hydroxy-5-[(2S)-5-hydroxy-2-pentanyl]-6-methyl-3-methylene-3a,4,7,7a-tetrahydro-1-benzofuran-2(3H)-one | C15H22O4

(3aS,4S,7aR)-4-Hydroxy-5-[(2S)-5-hydroxy-2-pentanyl]-6-methyl-3-methylene-3a,4,7,7a-tetrahydro-1-benzofuran-2(3H)-one

  • Molecular FormulaC15H22O4
  • Average mass266.333 Da
  • Monoisotopic mass266.151794 Da
  • ChemSpider ID8145743
  • defined stereocentres - 4 of 4 defined stereocentres


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(3aS,4S,7aR)-4-Hydroxy-5-[(2S)-5-hydroxy-2-pentanyl]-6-methyl-3-methylen-3a,4,7,7a-tetrahydro-1-benzofuran-2(3H)-on [German] [ACD/IUPAC Name]
(3aS,4S,7aR)-4-Hydroxy-5-[(2S)-5-hydroxy-2-pentanyl]-6-methyl-3-methylene-3a,4,7,7a-tetrahydro-1-benzofuran-2(3H)-one [ACD/IUPAC Name]
(3aS,4S,7aR)-4-Hydroxy-5-[(2S)-5-hydroxy-2-pentanyl]-6-méthyl-3-méthylène-3a,4,7,7a-tétrahydro-1-benzofuran-2(3H)-one [French] [ACD/IUPAC Name]
2(3H)-Benzofuranone, 3a,4,7,7a-tetrahydro-4-hydroxy-5-[(1S)-4-hydroxy-1-methylbutyl]-6-methyl-3-methylene-, (3aS,4S,7aR)- [ACD/Index Name]
(3aS,4S,7aR)-4-hydroxy-5-((S)-5-hydroxypentan-2-yl)-6-methyl-3-methylene-3a,4,7,7a-tetrahydrobenzofuran-2(3H)-one
(3aS,4S,7aR)-4-hydroxy-5-[(2S)-5-hydroxypentan-2-yl]-6-methyl-3-methylidene-3a,4,7,7a-tetrahydro-1-benzofuran-2-one
33620-72-3 [RN]
britannilactone
Desacetylinulicin
MFCD00808445
More...
  • Experimental Physico-chemical Properties
  • Miscellaneous
    • Bio Activity:

      Britannilactone(Desacetylinulicin) is a methanol extract of the dried flower of Inula britannica L. MedChem Express
      Britannilactone(Desacetylinulicin) is a methanol extract of the dried flower of Inula britannica L.; IC50 value:; Target:; A bioassay-guided isolation of the chloroform fraction of the I. MedChem Express HY-N0895
      Others MedChem Express HY-N0895

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module

Density: 1.2±0.1 g/cm3
Boiling Point: 477.4±45.0 °C at 760 mmHg
Vapour Pressure: 0.0±2.7 mmHg at 25°C
Enthalpy of Vaporization: 85.4±6.0 kJ/mol
Flash Point: 177.9±22.2 °C
Index of Refraction: 1.540
Molar Refractivity: 71.2±0.4 cm3
#H bond acceptors: 4
#H bond donors: 2
#Freely Rotating Bonds: 4
#Rule of 5 Violations: 0
ACD/LogP: 1.19
ACD/LogD (pH 5.5): 1.78
ACD/BCF (pH 5.5): 13.31
ACD/KOC (pH 5.5): 221.92
ACD/LogD (pH 7.4): 1.78
ACD/BCF (pH 7.4): 13.31
ACD/KOC (pH 7.4): 221.92
Polar Surface Area: 67 Å2
Polarizability: 28.2±0.5 10-24cm3
Surface Tension: 45.1±5.0 dyne/cm
Molar Volume: 227.2±5.0 cm3

Predicted data is generated using the US Environmental Protection Agency’s EPISuite™

                        
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  1.64

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  421.89  (Adapted Stein & Brown method)
    Melting Pt (deg C):  155.86  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  7.65E-010  (Modified Grain method)
    Subcooled liquid VP: 1.66E-008 mm Hg (25 deg C, Mod-Grain method)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  759.4
       log Kow used: 1.64 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1519.4 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Acrylates
       Vinyl/Allyl Alcohols

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   7.85E-010  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  3.530E-013 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.64  (KowWin est)
  Log Kaw used:  -7.494  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  9.134
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.1124
   Biowin2 (Non-Linear Model)     :   0.9961
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.0707  (weeks       )
   Biowin4 (Primary Survey Model) :   3.9513  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.7536
   Biowin6 (MITI Non-Linear Model):   0.6044
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.8777
 Ready Biodegradability Prediction:   YES

Hydrocarbon Biodegradation (BioHCwin v1.01):
    Structure incompatible with current estimation method!

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  2.21E-006 Pa (1.66E-008 mm Hg)
  Log Koa (Koawin est  ): 9.134
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.36 
       Octanol/air (Koa) model:  0.000334 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.98 
       Mackay model           :  0.991 
       Octanol/air (Koa) model:  0.026 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 152.1908 E-12 cm3/molecule-sec
      Half-Life =     0.070 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.843 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =   121.137497 E-17 cm3/molecule-sec
      Half-Life =     0.009 Days (at 7E11 mol/cm3)
      Half-Life =     13.623 Min
   Fraction sorbed to airborne particulates (phi): 0.985 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  11.08
      Log Koc:  1.045 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
    Rate constants can NOT be estimated for this structure!

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.564 (BCF = 3.665)
       log Kow used: 1.64 (estimated)

 Volatilization from Water:
    Henry LC:  7.85E-010 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.217E+006  hours   (5.072E+004 days)
    Half-Life from Model Lake : 1.328E+007  hours   (5.533E+005 days)

 Removal In Wastewater Treatment:
    Total removal:               2.02  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.93  percent
    Total to Air:                0.00  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.0231          0.2          1000       
   Water     35.7            360          1000       
   Soil      64.2            720          1000       
   Sediment  0.0921          3.24e+003    0          
     Persistence Time: 406 hr




                    

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