ChemSpider 2D Image | (9R,10R)-10-Acetoxy-8,8-dimethyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromen-9-yl (2Z)-2-methyl-2-butenoate | C21H22O7

(9R,10R)-10-Acetoxy-8,8-dimethyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromen-9-yl (2Z)-2-methyl-2-butenoate

  • Molecular FormulaC21H22O7
  • Average mass386.395 Da
  • Monoisotopic mass386.136566 Da
  • ChemSpider ID7997288

  • Double-bond stereo - Double-bond stereo

    defined stereocentres - 2 of 2 defined stereocentres

More details:

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

(2Z)-2-Méthyl-2-buténoate de (9R,10R)-10-acétoxy-8,8-diméthyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromén-9-yle [French] [ACD/IUPAC Name]
(9R,10R)-10-(acetyloxy)-8,8-dimethyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromen-9-yl (2Z)-2-methylbut-2-enoate
(9R,10R)-10-Acetoxy-8,8-dimethyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromen-9-yl (2Z)-2-methyl-2-butenoate [ACD/IUPAC Name]
(9R,10R)-10-Acetoxy-8,8-dimethyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromen-9-yl (2Z)-2-methylbut-2-enoate
(9R,10R)-10-Acetoxy-8,8-dimethyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromen-9-yl-(2Z)-2-methyl-2-butenoat [German] [ACD/IUPAC Name]
2-Butenoic acid, 2-methyl-, (9R,10R)-10-(acetyloxy)-9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9-yl ester, (2Z)- [ACD/Index Name]
(��)-Praeruptorin A
(-)-Praeruptorin A
(??)-Praeruptorin A
(±)-praeruptorin a
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

MLS000563460 [DBID]
SMR000232303 [DBID]

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

    Density: 1.3±0.1 g/cm3
    Boiling Point: 486.8±45.0 °C at 760 mmHg
    Vapour Pressure: 0.0±1.2 mmHg at 25°C
    Enthalpy of Vaporization: 75.3±3.0 kJ/mol
    Flash Point: 211.5±28.8 °C
    Index of Refraction: 1.574
    Molar Refractivity: 99.0±0.4 cm3
    #H bond acceptors: 7
    #H bond donors: 0
    #Freely Rotating Bonds: 5
    #Rule of 5 Violations: 0
    ACD/LogP: 4.18
    ACD/LogD (pH 5.5): 3.93
    ACD/BCF (pH 5.5): 570.19
    ACD/KOC (pH 5.5): 3268.58
    ACD/LogD (pH 7.4): 3.93
    ACD/BCF (pH 7.4): 570.19
    ACD/KOC (pH 7.4): 3268.58
    Polar Surface Area: 88 Å2
    Polarizability: 39.2±0.5 10-24cm3
    Surface Tension: 50.9±5.0 dyne/cm
    Molar Volume: 299.8±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) =  3.64

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  478.28  (Adapted Stein & Brown method)
    Melting Pt (deg C):  171.84  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.93E-009  (Modified Grain method)
    Subcooled liquid VP: 9.68E-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):  2.897
       log Kow used: 3.64 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1.7013 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Acrylates
       Esters
       Methacrylates

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.44E-012  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  5.142E-010 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.64  (KowWin est)
  Log Kaw used:  -9.852  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  13.492
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.0341
   Biowin2 (Non-Linear Model)     :   1.0000
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.4957  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.9008  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.8964
   Biowin6 (MITI Non-Linear Model):   0.7284
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.4587
 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):  1.29E-005 Pa (9.68E-008 mm Hg)
  Log Koa (Koawin est  ): 13.492
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.232 
       Octanol/air (Koa) model:  7.62 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.894 
       Mackay model           :  0.949 
       Octanol/air (Koa) model:  0.998 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  85.2329 E-12 cm3/molecule-sec
      Half-Life =     0.125 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.506 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     9.493750 E-17 cm3/molecule-sec
      Half-Life =     0.121 Days (at 7E11 mol/cm3)
      Half-Life =      2.897 Hrs
   Fraction sorbed to airborne particulates (phi): 0.921 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  2.221E+004
      Log Koc:  4.347 

 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 = 2.102 (BCF = 126.6)
       log Kow used: 3.64 (estimated)

 Volatilization from Water:
    Henry LC:  3.44E-012 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 3.346E+008  hours   (1.394E+007 days)
    Half-Life from Model Lake :  3.65E+009  hours   (1.521E+008 days)

 Removal In Wastewater Treatment:
    Total removal:              16.63  percent
    Total biodegradation:        0.21  percent
    Total sludge adsorption:    16.42  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       0.000298        1.48         1000       
   Water     11.4            900          1000       
   Soil      87.4            1.8e+003     1000       
   Sediment  1.15            8.1e+003     0          
     Persistence Time: 1.85e+003 hr

    Click to predict properties on the Chemicalize site


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