ChemSpider 2D Image | (3S,9aS)-3-(1H-Imidazol-5-ylmethyl)tetrahydro-2H-pyrido[1,2-a]pyrazine-1,4(3H,6H)-dione | C12H16N4O2

(3S,9aS)-3-(1H-Imidazol-5-ylmethyl)tetrahydro-2H-pyrido[1,2-a]pyrazine-1,4(3H,6H)-dione

  • Molecular FormulaC12H16N4O2
  • Average mass248.281 Da
  • Monoisotopic mass248.127319 Da
  • ChemSpider ID58646

  • defined stereocentres - 2 of 2 defined stereocentres

More details:

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

(3S,9aS)-3-(1H-Imidazol-5-ylmethyl)tetrahydro-2H-pyrido[1,2-a]pyrazin-1,4(3H,6H)-dion [German] [ACD/IUPAC Name]
(3S,9aS)-3-(1H-Imidazol-5-ylmethyl)tetrahydro-2H-pyrido[1,2-a]pyrazine-1,4(3H,6H)-dione [ACD/IUPAC Name]
(3S,9aS)-3-(1H-Imidazol-5-ylméthyl)tétrahydro-2H-pyrido[1,2-a]pyrazine-1,4(3H,6H)-dione [French] [ACD/IUPAC Name]
2H-Pyrido[1,2-a]pyrazine-1,4(3H,6H)-dione, tetrahydro-3-(1H-imidazol-5-ylmethyl)-, (3S,9aS)- [ACD/Index Name]
53109-32-3 [RN]
(3S,9aS)-3-(1H-imidazol-4-ylmethyl)tetrahydro-2H-pyrido[1,2-a]pyrazine-1,4(3H,6H)-dione
(3S,9aS)-3-(1H-imidazol-5-ylmethyl)-octahydro-1H-pyrido[1,2-a]piperazine-1,4-dione
(3S,9aS)-3-(3H-imidazol-4-ylmethyl)-hexahydro-2H-pyrido[1,2-a]piperazine-1,4-dione

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

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

Density: 1.4±0.1 g/cm3
Boiling Point: 650.3±48.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.9 mmHg at 25°C
Enthalpy of Vaporization: 95.8±3.0 kJ/mol
Flash Point: 347.1±29.6 °C
Index of Refraction: 1.617
Molar Refractivity: 63.8±0.4 cm3
#H bond acceptors: 6
#H bond donors: 2
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: -2.37
ACD/LogD (pH 5.5): -2.67
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): -1.20
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 4.09
Polar Surface Area: 78 Å2
Polarizability: 25.3±0.5 10-24cm3
Surface Tension: 67.7±5.0 dyne/cm
Molar Volume: 182.3±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) =  -1.14

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  551.12  (Adapted Stein & Brown method)
    Melting Pt (deg C):  236.48  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  7.12E-012  (Modified Grain method)
    Subcooled liquid VP: 1.36E-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):  1.112e+004
       log Kow used: -1.14 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1e+006 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.90E-013  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.092E-016 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -1.14  (KowWin est)
  Log Kaw used:  -10.926  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  9.786
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.1043
   Biowin2 (Non-Linear Model)     :   0.9957
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.4672  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.8318  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2913
   Biowin6 (MITI Non-Linear Model):   0.1123
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.0135
 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):  1.81E-007 Pa (1.36E-009 mm Hg)
  Log Koa (Koawin est  ): 9.786
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  16.5 
       Octanol/air (Koa) model:  0.0015 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.998 
       Mackay model           :  0.999 
       Octanol/air (Koa) model:  0.107 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 131.2889 E-12 cm3/molecule-sec
      Half-Life =     0.081 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.978 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.999 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  208
      Log Koc:  2.318 

 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 = 0.500 (BCF = 3.162)
       log Kow used: -1.14 (estimated)

 Volatilization from Water:
    Henry LC:  2.9E-013 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 3.181E+009  hours   (1.326E+008 days)
    Half-Life from Model Lake :  3.47E+010  hours   (1.446E+009 days)

 Removal In Wastewater Treatment:
    Total removal:               1.85  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.75  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       0.00404         1.96         1000       
   Water     46.6            900          1000       
   Soil      53.3            1.8e+003     1000       
   Sediment  0.0895          8.1e+003     0          
     Persistence Time: 957 hr

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