ChemSpider 2D Image | (−)-Terpestacin | C25H38O4

(−)-Terpestacin

  • Molecular FormulaC25H38O4
  • Average mass402.567 Da
  • Monoisotopic mass402.277008 Da
  • ChemSpider ID4976965

  • Double-bond stereo - Double-bond stereo

    defined stereocentres - 4 of 4 defined stereocentres

More details:

Featured data source
Natural Product Updates

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

(−)-Terpestacin
(3aR,5E,7S,10E,14E,16aS)-2,7-Dihydroxy-3-[(2S)-1-hydroxy-2-propanyl]-6,10,14,16a-tetramethyl-4,7,8,9,12,13,16,16a-octahydrocyclopenta[15]annulen-1(3aH)-on [German] [ACD/IUPAC Name]
(3aR,5E,7S,10E,14E,16aS)-2,7-Dihydroxy-3-[(2S)-1-hydroxy-2-propanyl]-6,10,14,16a-tetramethyl-4,7,8,9,12,13,16,16a-octahydrocyclopenta[15]annulen-1(3aH)-one [ACD/IUPAC Name]
(3aR,5E,7S,10E,14E,16aS)-2,7-Dihydroxy-3-[(2S)-1-hydroxy-2-propanyl]-6,10,14,16a-tétraméthyl-4,7,8,9,12,13,16,16a-octahydrocyclopenta[15]annulén-1(3aH)-one [French] [ACD/IUPAC Name]
1(3aH)-Cyclopentacyclopentadecenone, 4,7,8,9,12,13,16,16a-octahydro-2,7-dihydroxy-3-[(1S)-2-hydroxy-1-methylethyl]-6,10,14,16a-tetramethyl-, (3aR,5E,7S,10E,14E,16aS)- [ACD/Index Name]
siccanol
Terpestacin

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

AIDS070312 [DBID]
AIDS-070312 [DBID]

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

Density: 1.1±0.1 g/cm3
Boiling Point: 580.5±50.0 °C at 760 mmHg
Vapour Pressure: 0.0±3.7 mmHg at 25°C
Enthalpy of Vaporization: 99.7±6.0 kJ/mol
Flash Point: 318.9±26.6 °C
Index of Refraction: 1.530
Molar Refractivity: 116.9±0.3 cm3
#H bond acceptors: 4
#H bond donors: 3
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 1
ACD/LogP: 5.58
ACD/LogD (pH 5.5): 4.84
ACD/BCF (pH 5.5): 2823.19
ACD/KOC (pH 5.5): 10270.67
ACD/LogD (pH 7.4): 4.83
ACD/BCF (pH 7.4): 2758.85
ACD/KOC (pH 7.4): 10036.61
Polar Surface Area: 78 Å2
Polarizability: 46.3±0.5 10-24cm3
Surface Tension: 39.9±3.0 dyne/cm
Molar Volume: 378.3±3.0 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) =  6.83

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  561.65  (Adapted Stein & Brown method)
    Melting Pt (deg C):  241.40  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  7.83E-016  (Modified Grain method)
    Subcooled liquid VP: 1.72E-013 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):  0.00431
       log Kow used: 6.83 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.046114 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   5.03E-006  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  9.623E-014 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  6.83  (KowWin est)
  Log Kaw used:  -3.687  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  10.517
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8550
   Biowin2 (Non-Linear Model)     :   0.1779
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.5548  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.4796  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3459
   Biowin6 (MITI Non-Linear Model):   0.0400
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.8912
 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):  2.29E-011 Pa (1.72E-013 mm Hg)
  Log Koa (Koawin est  ): 10.517
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.31E+005 
       Octanol/air (Koa) model:  0.00807 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1 
       Mackay model           :  1 
       Octanol/air (Koa) model:  0.392 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 391.5913 E-12 cm3/molecule-sec
      Half-Life =     0.027 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    19.666 Min
   Ozone Reaction:
      OVERALL Ozone Rate Constant =   136.393753 E-17 cm3/molecule-sec
      Half-Life =     0.008 Days (at 7E11 mol/cm3)
      Half-Life =     12.099 Min
   Reaction With Nitrate Radicals May Be Important!
   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    :  3757
      Log Koc:  3.575 

 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 = 4.562 (BCF = 3.644e+004)
       log Kow used: 6.83 (estimated)

 Volatilization from Water:
    Henry LC:  5.03E-006 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      235.6  hours   (9.816 days)
    Half-Life from Model Lake :       2738  hours   (114.1 days)

 Removal In Wastewater Treatment:
    Total removal:              93.75  percent
    Total biodegradation:        0.78  percent
    Total sludge adsorption:    92.98  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       0.00248         0.154        1000       
   Water     2.27            900          1000       
   Soil      29.4            1.8e+003     1000       
   Sediment  68.4            8.1e+003     0          
     Persistence Time: 2.96e+003 hr

Click to predict properties on the Chemicalize site


Advertisement