ChemSpider 2D Image | tert-butyl 8-methoxy-5-methyl-6-oxo-5,6-dihydro-4H-imidazo[1,5-a][1,4]benzodiazepine-3-carboxylate | C18H21N3O4

tert-butyl 8-methoxy-5-methyl-6-oxo-5,6-dihydro-4H-imidazo[1,5-a][1,4]benzodiazepine-3-carboxylate

  • Molecular FormulaC18H21N3O4
  • Average mass343.377 Da
  • Monoisotopic mass343.153198 Da
  • ChemSpider ID8982615

More details:






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

2-Methyl-2-propanyl 8-methoxy-5-methyl-6-oxo-5,6-dihydro-4H-imidazo[1,5-a][1,4]benzodiazepine-3-carboxylate [ACD/IUPAC Name]
2-Methyl-2-propanyl-8-methoxy-5-methyl-6-oxo-5,6-dihydro-4H-imidazo[1,5-a][1,4]benzodiazepin-3-carboxylat [German] [ACD/IUPAC Name]
4H-Imidazo[1,5-a][1,4]benzodiazepine-3-carboxylic acid, 5,6-dihydro-8-methoxy-5-methyl-6-oxo-, 1,1-dimethylethyl ester [ACD/Index Name]
8-Méthoxy-5-méthyl-6-oxo-5,6-dihydro-4H-imidazo[1,5-a][1,4]benzodiazépine-3-carboxylate de 2-méthyl-2-propanyle [French] [ACD/IUPAC Name]
tert-butyl 8-methoxy-5-methyl-6-oxo-5,6-dihydro-4H-imidazo[1,5-a][1,4]benzodiazepine-3-carboxylate
8-Methoxy-5-methyl-6-oxo-5,6-dihydro-4H-2,5,10b-triaza-benzo[e]azulene-3-carboxylic acid tert-butyl ester
CHEMBL133049

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

Density: 1.3±0.1 g/cm3
Boiling Point: 555.7±50.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.5 mmHg at 25°C
Enthalpy of Vaporization: 83.7±3.0 kJ/mol
Flash Point: 289.9±30.1 °C
Index of Refraction: 1.600
Molar Refractivity: 92.9±0.5 cm3
#H bond acceptors: 7
#H bond donors: 0
#Freely Rotating Bonds: 4
#Rule of 5 Violations: 0
ACD/LogP: 1.88
ACD/LogD (pH 5.5): 1.97
ACD/BCF (pH 5.5): 18.34
ACD/KOC (pH 5.5): 279.24
ACD/LogD (pH 7.4): 1.97
ACD/BCF (pH 7.4): 18.34
ACD/KOC (pH 7.4): 279.25
Polar Surface Area: 74 Å2
Polarizability: 36.8±0.5 10-24cm3
Surface Tension: 44.1±7.0 dyne/cm
Molar Volume: 271.6±7.0 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) =  1.78

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  522.48  (Adapted Stein & Brown method)
    Melting Pt (deg C):  223.10  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  5.59E-011  (Modified Grain method)
    Subcooled liquid VP: 7.38E-009 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):  15.91
       log Kow used: 1.78 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  223.09 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   8.84E-018  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.588E-012 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.78  (KowWin est)
  Log Kaw used:  -15.442  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  17.222
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.9164
   Biowin2 (Non-Linear Model)     :   0.9956
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.2561  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.7104  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4030
   Biowin6 (MITI Non-Linear Model):   0.1323
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.5031
 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):  9.84E-007 Pa (7.38E-009 mm Hg)
  Log Koa (Koawin est  ): 17.222
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  3.05 
       Octanol/air (Koa) model:  4.09E+004 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.991 
       Mackay model           :  0.996 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  67.1756 E-12 cm3/molecule-sec
      Half-Life =     0.159 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.911 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.993 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  304.5
      Log Koc:  2.484 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  1.440E-002  L/mol-sec
  Kb Half-Life at pH 8:       1.525  years  
  Kb Half-Life at pH 7:      15.247  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.671 (BCF = 4.685)
       log Kow used: 1.78 (estimated)

 Volatilization from Water:
    Henry LC:  8.84E-018 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.227E+014  hours   (5.114E+012 days)
    Half-Life from Model Lake : 1.339E+015  hours   (5.579E+013 days)

 Removal In Wastewater Treatment:
    Total removal:               2.09  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.99  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       1.64e-008       3.82         1000       
   Water     27.3            900          1000       
   Soil      72.6            1.8e+003     1000       
   Sediment  0.0841          8.1e+003     0          
     Persistence Time: 1.31e+003 hr




                    

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