ChemSpider 2D Image | (3R,5R,6S,7S,9R,11E,13R,14R)-14-Ethyl-6-hydroxy-3,5,7,9,13-pentamethyloxacyclotetradec-11-ene-2,4,10-trione | C20H32O5

(3R,5R,6S,7S,9R,11E,13R,14R)-14-Ethyl-6-hydroxy-3,5,7,9,13-pentamethyloxacyclotetradec-11-ene-2,4,10-trione

  • Molecular FormulaC20H32O5
  • Average mass352.465 Da
  • Monoisotopic mass352.224976 Da
  • ChemSpider ID4445265
  • Double-bond stereo - Double-bond stereo

    defined stereocentres - 7 of 7 defined stereocentres


More details:



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(3R,5R,6S,7S,9R,11E,13R,14R)-14-Ethyl-6-hydroxy-3,5,7,9,13-pentamethyloxacyclotetradec-11-en-2,4,10-trion [German] [ACD/IUPAC Name]
(3R,5R,6S,7S,9R,11E,13R,14R)-14-Ethyl-6-hydroxy-3,5,7,9,13-pentamethyloxacyclotetradec-11-ene-2,4,10-trione [ACD/IUPAC Name]
(3R,5R,6S,7S,9R,11E,13R,14R)-14-Éthyl-6-hydroxy-3,5,7,9,13-pentaméthyloxacyclotétradéc-11-ène-2,4,10-trione [French] [ACD/IUPAC Name]
Oxacyclotetradec-11-ene-2,4,10-trione, 14-ethyl-6-hydroxy-3,5,7,9,13-pentamethyl-, (3R,5R,6S,7S,9R,11E,13R,14R)- [ACD/Index Name]
Narbonolide

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

C11997 [DBID]
nchembio822-comp4 [DBID]
nchembio824-comp4 [DBID]
  • Miscellaneous
    • Chemical Class:

      A 14-membererd macrolide containing seven stereocentres carrying one ethyl, one hydroxy and five methyl substituents. It is the aglycone of the antibiotic narbonomycin and an intermediate in the biosy nthesis of pikromycin. ChEBI CHEBI:29650

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

Density: 1.0±0.1 g/cm3
Boiling Point: 529.8±50.0 °C at 760 mmHg
Vapour Pressure: 0.0±3.2 mmHg at 25°C
Enthalpy of Vaporization: 92.6±6.0 kJ/mol
Flash Point: 180.6±23.6 °C
Index of Refraction: 1.451
Molar Refractivity: 96.0±0.3 cm3
#H bond acceptors: 5
#H bond donors: 1
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 1.91
ACD/LogD (pH 5.5): 2.69
ACD/BCF (pH 5.5): 65.51
ACD/KOC (pH 5.5): 694.59
ACD/LogD (pH 7.4): 2.69
ACD/BCF (pH 7.4): 65.50
ACD/KOC (pH 7.4): 694.52
Polar Surface Area: 81 Å2
Polarizability: 38.1±0.5 10-24cm3
Surface Tension: 29.0±3.0 dyne/cm
Molar Volume: 356.7±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) =  1.55

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  503.51  (Adapted Stein & Brown method)
    Melting Pt (deg C):  201.28  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.01E-012  (Modified Grain method)
    Subcooled liquid VP: 1.46E-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):  925.4
       log Kow used: 1.55 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  82.416 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 :   2.39E-014  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.007E-015 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.55  (KowWin est)
  Log Kaw used:  -12.010  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  13.560
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.9263
   Biowin2 (Non-Linear Model)     :   0.9085
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.6755  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.6532  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5750
   Biowin6 (MITI Non-Linear Model):   0.0692
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.0854
 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):  1.95E-008 Pa (1.46E-010 mm Hg)
  Log Koa (Koawin est  ): 13.560
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  154 
       Octanol/air (Koa) model:  8.91 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1 
       Mackay model           :  1 
       Octanol/air (Koa) model:  0.999 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 105.2415 E-12 cm3/molecule-sec
      Half-Life =     0.102 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.220 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     1.137500 E-17 cm3/molecule-sec
      Half-Life =     1.007 Days (at 7E11 mol/cm3)
      Half-Life =     24.179 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    :  29.15
      Log Koc:  1.465 

 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 = 0.491 (BCF = 3.097)
       log Kow used: 1.55 (estimated)

 Volatilization from Water:
    Henry LC:  2.39E-014 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 4.599E+010  hours   (1.916E+009 days)
    Half-Life from Model Lake : 5.017E+011  hours   (2.091E+010 days)

 Removal In Wastewater Treatment:
    Total removal:               1.99  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.90  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       0.00214         2.21         1000       
   Water     32              900          1000       
   Soil      67.9            1.8e+003     1000       
   Sediment  0.0833          8.1e+003     0          
     Persistence Time: 1.2e+003 hr




                    

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