ChemSpider 2D Image | (R)-3-((tert-butoxycarbonyl)amino)-4-(o-tolyl)butanoic acid | C16H23NO4

(R)-3-((tert-butoxycarbonyl)amino)-4-(o-tolyl)butanoic acid

  • Molecular FormulaC16H23NO4
  • Average mass293.358 Da
  • Monoisotopic mass293.162720 Da
  • ChemSpider ID5373325

  • defined stereocentres - 1 of 1 defined stereocentres

More details:

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

(3R)-4-(2-Methylphenyl)-3-({[(2-methyl-2-propanyl)oxy]carbonyl}amino)butanoic acid [ACD/IUPAC Name]
(3R)-4-(2-Methylphenyl)-3-({[(2-methyl-2-propanyl)oxy]carbonyl}amino)butansäure [German] [ACD/IUPAC Name]
(βR)-β-[[(1,1-Dimethylethoxy)carbonyl]amino]-2-methylbenzenebutanoic acid
(R)-3-((tert-butoxycarbonyl)amino)-4-(o-tolyl)butanoic acid
269398-80-3 [RN]
Acide (3R)-4-(2-méthylphényl)-3-({[(2-méthyl-2-propanyl)oxy]carbonyl}amino)butanoïque [French] [ACD/IUPAC Name]
Benzenebutanoic acid, β-[[(1,1-dimethylethoxy)carbonyl]amino]-2-methyl-, (βR)- [ACD/Index Name]
(3R)-3-[(TERT-BUTOXYCARBONYL)AMINO]-4-(2-METHYLPHENYL)BUTANOIC ACID
(3R)-3-{[(TERT-BUTOXY)CARBONYL]AMINO}-4-(2-METHYLPHENYL)BUTANOIC ACID
(3R)-4-(2-methylphenyl)-3-[(2-methylpropan-2-yl)oxycarbonylamino]butanoic acid
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    Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

    Density: 1.1±0.1 g/cm3
    Boiling Point: 460.4±40.0 °C at 760 mmHg
    Vapour Pressure: 0.0±1.2 mmHg at 25°C
    Enthalpy of Vaporization: 76.0±3.0 kJ/mol
    Flash Point: 232.2±27.3 °C
    Index of Refraction: 1.523
    Molar Refractivity: 79.9±0.3 cm3
    #H bond acceptors: 5
    #H bond donors: 2
    #Freely Rotating Bonds: 7
    #Rule of 5 Violations: 0
    ACD/LogP: 3.64
    ACD/LogD (pH 5.5): 1.95
    ACD/BCF (pH 5.5): 8.95
    ACD/KOC (pH 5.5): 74.12
    ACD/LogD (pH 7.4): 0.16
    ACD/BCF (pH 7.4): 1.00
    ACD/KOC (pH 7.4): 1.22
    Polar Surface Area: 76 Å2
    Polarizability: 31.7±0.5 10-24cm3
    Surface Tension: 42.4±3.0 dyne/cm
    Molar Volume: 261.4±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) =  3.74

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  402.64  (Adapted Stein & Brown method)
    Melting Pt (deg C):  152.93  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  3.56E-007  (Modified Grain method)
    Subcooled liquid VP: 7.17E-006 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):  21.49
       log Kow used: 3.74 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  115.84 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.37E-013  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  6.395E-009 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.74  (KowWin est)
  Log Kaw used:  -11.014  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  14.754
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6855
   Biowin2 (Non-Linear Model)     :   0.4816
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.5069  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.7132  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.0633
   Biowin6 (MITI Non-Linear Model):   0.0502
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.5652
 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):  0.000956 Pa (7.17E-006 mm Hg)
  Log Koa (Koawin est  ): 14.754
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.00314 
       Octanol/air (Koa) model:  139 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.102 
       Mackay model           :  0.201 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  34.0825 E-12 cm3/molecule-sec
      Half-Life =     0.314 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     3.766 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.151 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  733
      Log Koc:  2.865 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  4.928E-006  L/mol-sec
  Kb Half-Life at pH 8:    4456.481  years  
  Kb Half-Life at pH 7: 4.456E+004  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.500 (BCF = 3.162)
       log Kow used: 3.74 (estimated)

 Volatilization from Water:
    Henry LC:  2.37E-013 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 4.231E+009  hours   (1.763E+008 days)
    Half-Life from Model Lake : 4.616E+010  hours   (1.923E+009 days)

 Removal In Wastewater Treatment:
    Total removal:              19.74  percent
    Total biodegradation:        0.24  percent
    Total sludge adsorption:    19.50  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       1.98e-006       7.53         1000       
   Water     11.3            900          1000       
   Soil      87.3            1.8e+003     1000       
   Sediment  1.44            8.1e+003     0          
     Persistence Time: 1.86e+003 hr

    Click to predict properties on the Chemicalize site


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