ChemSpider 2D Image | Ethyl 8-ethynyl-6-(2-pyridinyl)-4H-imidazo[1,5-a][1,4]benzodiazepine-3-carboxylate | C21H16N4O2

Ethyl 8-ethynyl-6-(2-pyridinyl)-4H-imidazo[1,5-a][1,4]benzodiazepine-3-carboxylate

  • Molecular FormulaC21H16N4O2
  • Average mass356.377 Da
  • Monoisotopic mass356.127319 Da
  • ChemSpider ID8484494

More details:






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

4H-Imidazo[1,5-a][1,4]benzodiazepine-3-carboxylic acid, 8-ethynyl-6-(2-pyridinyl)-, ethyl ester [ACD/Index Name]
8-Éthynyl-6-(2-pyridinyl)-4H-imidazo[1,5-a][1,4]benzodiazépine-3-carboxylate d'éthyle [French] [ACD/IUPAC Name]
Ethyl 8-ethynyl-6-(2-pyridinyl)-4H-imidazo[1,5-a][1,4]benzodiazepine-3-carboxylate [ACD/IUPAC Name]
Ethyl-8-ethinyl-6-(2-pyridinyl)-4H-imidazo[1,5-a][1,4]benzodiazepin-3-carboxylat [German] [ACD/IUPAC Name]
Ethyl-8-ethynyl-6-(pyridin-2-yl)-4H-benzo[f]imidazo[1,5-a][1,4]diazepine-3-carboxylate

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

Density: 1.3±0.1 g/cm3
Boiling Point: 572.3±50.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.6 mmHg at 25°C
Enthalpy of Vaporization: 85.8±3.0 kJ/mol
Flash Point: 299.9±30.1 °C
Index of Refraction: 1.656
Molar Refractivity: 104.1±0.5 cm3
#H bond acceptors: 6
#H bond donors: 0
#Freely Rotating Bonds: 5
#Rule of 5 Violations: 0
ACD/LogP: 2.32
ACD/LogD (pH 5.5): 2.45
ACD/BCF (pH 5.5): 43.22
ACD/KOC (pH 5.5): 515.57
ACD/LogD (pH 7.4): 2.45
ACD/BCF (pH 7.4): 43.26
ACD/KOC (pH 7.4): 516.05
Polar Surface Area: 69 Å2
Polarizability: 41.3±0.5 10-24cm3
Surface Tension: 48.8±7.0 dyne/cm
Molar Volume: 283.4±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) =  2.90

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  540.50  (Adapted Stein & Brown method)
    Melting Pt (deg C):  231.52  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.53E-011  (Modified Grain method)
    Subcooled liquid VP: 2.55E-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):  1.46
       log Kow used: 2.90 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  5.5846 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   7.22E-017  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  4.914E-012 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.90  (KowWin est)
  Log Kaw used:  -14.530  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  17.430
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.5975
   Biowin2 (Non-Linear Model)     :   0.5961
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.3376  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.5438  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.0220
   Biowin6 (MITI Non-Linear Model):   0.0111
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.8246
 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):  3.4E-007 Pa (2.55E-009 mm Hg)
  Log Koa (Koawin est  ): 17.430
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  8.82 
       Octanol/air (Koa) model:  6.61E+004 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.997 
       Mackay model           :  0.999 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  26.7149 E-12 cm3/molecule-sec
      Half-Life =     0.400 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     4.805 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     0.036000 E-17 cm3/molecule-sec
      Half-Life =    31.833 Days (at 7E11 mol/cm3)
   Fraction sorbed to airborne particulates (phi): 0.998 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  2.403E+005
      Log Koc:  5.381 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  3.776E-002  L/mol-sec
  Kb Half-Life at pH 8:     212.462  days   
  Kb Half-Life at pH 7:       5.817  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 1.535 (BCF = 34.3)
       log Kow used: 2.90 (estimated)

 Volatilization from Water:
    Henry LC:  7.22E-017 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.531E+013  hours   (6.379E+011 days)
    Half-Life from Model Lake :  1.67E+014  hours   (6.959E+012 days)

 Removal In Wastewater Treatment:
    Total removal:               4.92  percent
    Total biodegradation:        0.12  percent
    Total sludge adsorption:     4.81  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       2.99e-007       9.49         1000       
   Water     13.3            900          1000       
   Soil      86.5            1.8e+003     1000       
   Sediment  0.242           8.1e+003     0          
     Persistence Time: 1.76e+003 hr




                    

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