ChemSpider 2D Image | (2S,2aR,5aS,5bR,7aS,8S,11aS,11bR,13S,13aS)-3-Acetyl-8-ethyl-2-hydroxy-5b,8,11a-trimethyl-2,2a,5,5a,5b,6,7,7a,8,9,10,11,11a,11b,12,13-hexadecahydro-1H-cyclobuta[i]chrysen-13-yl acetate | C29H44O4

(2S,2aR,5aS,5bR,7aS,8S,11aS,11bR,13S,13aS)-3-Acetyl-8-ethyl-2-hydroxy-5b,8,11a-trimethyl-2,2a,5,5a,5b,6,7,7a,8,9,10,11,11a,11b,12,13-hexadecahydro-1H-cyclobuta[i]chrysen-13-yl acetate

  • Molecular FormulaC29H44O4
  • Average mass456.657 Da
  • Monoisotopic mass456.323975 Da
  • ChemSpider ID17612936
  • defined stereocentres - 10 of 10 defined stereocentres


More details:






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

(2S,2aR,5aS,5bR,7aS,8S,11aS,11bR,13S,13aS)-3-Acetyl-8-ethyl-2-hydroxy-5b,8,11a-trimethyl-2,2a,5,5a,5b,6,7,7a,8,9,10,11,11a,11b,12,13-hexadecahydro-1H-cyclobuta[i]chrysen-13-yl acetate [ACD/IUPAC Name]
(2S,2aR,5aS,5bR,7aS,8S,11aS,11bR,13S,13aS)-3-Acetyl-8-ethyl-2-hydroxy-5b,8,11a-trimethyl-2,2a,5,5a,5b,6,7,7a,8,9,10,11,11a,11b,12,13-hexadecahydro-1H-cyclobuta[i]chrysen-13-yl-acetat [German] [ACD/IUPAC Name]
Acétate de (2S,2aR,5aS,5bR,7aS,8S,11aS,11bR,13S,13aS)-3-acétyl-8-éthyl-2-hydroxy-5b,8,11a-triméthyl-2,2a,5,5a,5b,6,7,7a,8,9,10,11,11a,11b,12,13-hexadécahydro-1H-cyclobuta[i]chrysén-13-yle [French] [ACD/IUPAC Name]
Ethanone, 1-[(2S,2aR,5aS,5bR,7aS,8S,11aS,11bR,13S,13aS)-13-(acetyloxy)-8-ethyl-2,2a,5,5a,5b,6,7,7a,8,9,10,11,11a,11b,12,13-hexadecahydro-2-hydroxy-5b,8,11a-trimethyl-1H-cyclobuta[i]chrysen-3-yl]- [ACD/Index Name]
12R-acetoxy-13β,18β-cyclobutane-20,24-dimethyl-24-oxoscalar-16-en-25α-ol

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

Density: 1.1±0.1 g/cm3
Boiling Point: 555.1±50.0 °C at 760 mmHg
Vapour Pressure: 0.0±3.4 mmHg at 25°C
Enthalpy of Vaporization: 96.1±6.0 kJ/mol
Flash Point: 174.4±23.6 °C
Index of Refraction: 1.551
Molar Refractivity: 129.2±0.4 cm3
#H bond acceptors: 4
#H bond donors: 1
#Freely Rotating Bonds: 4
#Rule of 5 Violations: 1
ACD/LogP: 6.97
ACD/LogD (pH 5.5): 6.72
ACD/BCF (pH 5.5): 75379.05
ACD/KOC (pH 5.5): 107824.21
ACD/LogD (pH 7.4): 6.72
ACD/BCF (pH 7.4): 75379.05
ACD/KOC (pH 7.4): 107824.21
Polar Surface Area: 64 Å2
Polarizability: 51.2±0.5 10-24cm3
Surface Tension: 45.1±5.0 dyne/cm
Molar Volume: 404.7±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) =  6.26

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  501.80  (Adapted Stein & Brown method)
    Melting Pt (deg C):  213.44  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.63E-012  (Modified Grain method)
    Subcooled liquid VP: 1.65E-010 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):  0.01984
       log Kow used: 6.26 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.027678 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Esters
       Vinyl/Allyl Ketones

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.57E-011  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  4.937E-011 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  6.26  (KowWin est)
  Log Kaw used:  -8.836  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  15.096
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.1342
   Biowin2 (Non-Linear Model)     :   0.0036
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.6192  (recalcitrant)
   Biowin4 (Primary Survey Model) :   2.9113  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5372
   Biowin6 (MITI Non-Linear Model):   0.0436
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.8365
 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):  2.2E-008 Pa (1.65E-010 mm Hg)
  Log Koa (Koawin est  ): 15.096
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  136 
       Octanol/air (Koa) model:  306 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1 
       Mackay model           :  1 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 109.5593 E-12 cm3/molecule-sec
      Half-Life =     0.098 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.172 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =    19.963125 E-17 cm3/molecule-sec
      Half-Life =     0.057 Days (at 7E11 mol/cm3)
      Half-Life =      1.378 Hrs
   Fraction sorbed to airborne particulates (phi): 1 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  5.696E+004
      Log Koc:  4.756 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  3.014E-002  L/mol-sec
  Kb Half-Life at pH 8:     266.184  days   
  Kb Half-Life at pH 7:       7.288  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 4.118 (BCF = 1.312e+004)
       log Kow used: 6.26 (estimated)

 Volatilization from Water:
    Henry LC:  3.57E-011 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 3.505E+007  hours   (1.46E+006 days)
    Half-Life from Model Lake : 3.823E+008  hours   (1.593E+007 days)

 Removal In Wastewater Treatment:
    Total removal:              92.99  percent
    Total biodegradation:        0.77  percent
    Total sludge adsorption:    92.22  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       0.00407         0.868        1000       
   Water     1.23            4.32e+003    1000       
   Soil      44.8            8.64e+003    1000       
   Sediment  54              3.89e+004    0          
     Persistence Time: 9.65e+003 hr




                    

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