ChemSpider 2D Image | Microhelenin C | C20H26O5

Microhelenin C

  • Molecular FormulaC20H26O5
  • Average mass346.417 Da
  • Monoisotopic mass346.178009 Da
  • ChemSpider ID4444820
  • Double-bond stereo - Double-bond stereo

    defined stereocentres - 7 of 7 defined stereocentres


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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

(2E)-2-Méthyl-2-buténoate de (3S,3aR,4S,4aR,7aR,8R,9aR)-3,4a,8-triméthyl-2,5-dioxo-2,3,3a,4,4a,5,7a,8,9,9a-décahydroazuléno[6,5-b]furan-4-yle [French] [ACD/IUPAC Name]
(3S,3aR,4S,4aR,7aR,8R,9aR)-3,4a,8-Trimethyl-2,5-dioxo-2,3,3a,4,4a,5,7a,8,9,9a-decahydroazuleno[6,5-b]furan-4-yl (2E)-2-methyl-2-butenoate [ACD/IUPAC Name]
(3S,3aR,4S,4aR,7aR,8R,9aR)-3,4a,8-Trimethyl-2,5-dioxo-2,3,3a,4,4a,5,7a,8,9,9a-decahydroazuleno[6,5-b]furan-4-yl-(2E)-2-methyl-2-butenoat [German] [ACD/IUPAC Name]
11,13-Dihydrohelenalin tiglate
2-Butenoic acid, 2-methyl-, (3S,3aR,4S,4aR,7aR,8R,9aR)-2,3,3a,4,4a,5,7a,8,9,9a-decahydro-3,4a,8-trimethyl-2,5-dioxoazuleno(6,5-b)furan-4-yl ester, (2E)-
2-Butenoic acid, 2-methyl-, (3S,3aR,4S,4aR,7aR,8R,9aR)-2,3,3a,4,4a,5,7a,8,9,9a-decahydro-3,4a,8-trimethyl-2,5-dioxoazuleno[6,5-b]furan-4-yl ester, (2E)- [ACD/Index Name]
63569-07-3 [RN]
Microhelenin C
(3S,3AR,4S,4AR,7AR,8R,9AR)-3,4A,8-TRIMETHYL-2,5-DIOXO-2H,3H,3AH,4H,4AH,5H,7AH,8H,9H,9AH-AZULENO[6,5-B]FURAN-4-YL (2E)-2-METHYLBUT-2-ENOATE
(E)-(3S,3aR,4S,4aR,7aR,8R,9aR)-3,4a,8-trimethyl-2,5-dioxo-2,3,3a,4,4a,5,7a,8,9,9a-decahydroazuleno[6,5-b]furan-4-yl 2-methylbut-2-enoate
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

C09509 [DBID]

    Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

    Density: 1.2±0.1 g/cm3
    Boiling Point: 494.0±45.0 °C at 760 mmHg
    Vapour Pressure: 0.0±1.3 mmHg at 25°C
    Enthalpy of Vaporization: 76.1±3.0 kJ/mol
    Flash Point: 216.0±28.8 °C
    Index of Refraction: 1.535
    Molar Refractivity: 91.8±0.4 cm3
    #H bond acceptors: 5
    #H bond donors: 0
    #Freely Rotating Bonds: 3
    #Rule of 5 Violations: 0
    ACD/LogP: 2.98
    ACD/LogD (pH 5.5): 2.50
    ACD/BCF (pH 5.5): 46.60
    ACD/KOC (pH 5.5): 544.28
    ACD/LogD (pH 7.4): 2.50
    ACD/BCF (pH 7.4): 46.60
    ACD/KOC (pH 7.4): 544.28
    Polar Surface Area: 70 Å2
    Polarizability: 36.4±0.5 10-24cm3
    Surface Tension: 42.9±5.0 dyne/cm
    Molar Volume: 294.7±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) =  2.51
    
     Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
        Boiling Pt (deg C):  454.76  (Adapted Stein & Brown method)
        Melting Pt (deg C):  178.02  (Mean or Weighted MP)
        VP(mm Hg,25 deg C):  9.62E-009  (Modified Grain method)
        Subcooled liquid VP: 3.74E-007 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):  46.41
           log Kow used: 2.51 (estimated)
           no-melting pt equation used
    
     Water Sol Estimate from Fragments:
        Wat Sol (v1.01 est) =  0.80648 mg/L
    
     ECOSAR Class Program (ECOSAR v0.99h):
        Class(es) found:
           Esters
           Methacrylates
           Vinyl/Allyl Ketones
    
     Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
       Bond Method :   2.49E-010  atm-m3/mole
       Group Method:   Incomplete
     Henrys LC [VP/WSol estimate using EPI values]:  9.449E-011 atm-m3/mole
    
     Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
      Log Kow used:  2.51  (KowWin est)
      Log Kaw used:  -7.992  (HenryWin est)
          Log Koa (KOAWIN v1.10 estimate):  10.502
          Log Koa (experimental database):  None
    
     Probability of Rapid Biodegradation (BIOWIN v4.10):
       Biowin1 (Linear Model)         :   0.7539
       Biowin2 (Non-Linear Model)     :   0.9832
     Expert Survey Biodegradation Results:
       Biowin3 (Ultimate Survey Model):   2.4794  (weeks-months)
       Biowin4 (Primary Survey Model) :   3.6302  (days-weeks  )
     MITI Biodegradation Probability:
       Biowin5 (MITI Linear Model)    :   0.6694
       Biowin6 (MITI Non-Linear Model):   0.1534
     Anaerobic Biodegradation Probability:
       Biowin7 (Anaerobic Linear Model): -0.0481
     Ready Biodegradability Prediction:   NO
    
    Hydrocarbon Biodegradation (BioHCwin v1.01):
        Structure incompatible with current estimation method!
    
     Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
      Vapor pressure (liquid/subcooled):  4.99E-005 Pa (3.74E-007 mm Hg)
      Log Koa (Koawin est  ): 10.502
       Kp (particle/gas partition coef. (m3/ug)):
           Mackay model           :  0.0602 
           Octanol/air (Koa) model:  0.0078 
       Fraction sorbed to airborne particulates (phi):
           Junge-Pankow model     :  0.685 
           Mackay model           :  0.828 
           Octanol/air (Koa) model:  0.384 
    
     Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
       Hydroxyl Radicals Reaction:
          OVERALL OH Rate Constant = 113.2952 E-12 cm3/molecule-sec
          Half-Life =     0.094 Days (12-hr day; 1.5E6 OH/cm3)
          Half-Life =     1.133 Hrs
       Ozone Reaction:
          OVERALL Ozone Rate Constant =     8.531250 E-17 cm3/molecule-sec
          Half-Life =     0.134 Days (at 7E11 mol/cm3)
          Half-Life =      3.224 Hrs
       Fraction sorbed to airborne particulates (phi): 0.756 (Junge,Mackay)
        Note: the sorbed fraction may be resistant to atmospheric oxidation
    
     Soil Adsorption Coefficient (PCKOCWIN v1.66):
          Koc    :  966.2
          Log Koc:  2.985 
    
     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 = 1.236 (BCF = 17.21)
           log Kow used: 2.51 (estimated)
    
     Volatilization from Water:
        Henry LC:  2.49E-010 atm-m3/mole  (estimated by Bond SAR Method)
        Half-Life from Model River: 4.376E+006  hours   (1.824E+005 days)
        Half-Life from Model Lake : 4.774E+007  hours   (1.989E+006 days)
    
     Removal In Wastewater Treatment:
        Total removal:               3.12  percent
        Total biodegradation:        0.10  percent
        Total sludge adsorption:     3.02  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       0.00705         1.33         1000       
       Water     16.7            900          1000       
       Soil      83.2            1.8e+003     1000       
       Sediment  0.139           8.1e+003     0          
         Persistence Time: 1.53e+003 hr
    
    
    
    
                        

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