ChemSpider 2D Image | Benzyl N-{[(2-methyl-2-propanyl)oxy]carbonyl}-L-tyrosinate | C21H25NO5

Benzyl N-{[(2-methyl-2-propanyl)oxy]carbonyl}-L-tyrosinate

  • Molecular FormulaC21H25NO5
  • Average mass371.427 Da
  • Monoisotopic mass371.173279 Da
  • ChemSpider ID5382023
  • defined stereocentres - 1 of 1 defined stereocentres


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

Benzyl N-{[(2-methyl-2-propanyl)oxy]carbonyl}-L-tyrosinate [ACD/IUPAC Name]
Benzyl-N-{[(2-methyl-2-propanyl)oxy]carbonyl}-L-tyrosinat [German] [ACD/IUPAC Name]
L-Tyrosine, N-[(1,1-dimethylethoxy)carbonyl]-, phenylmethyl ester [ACD/Index Name]
N-{[(2-Méthyl-2-propanyl)oxy]carbonyl}-L-tyrosinate de benzyle [French] [ACD/IUPAC Name]
(S)-Benzyl 2-((tert-butoxycarbonyl)amino)-3-(4-hydroxyphenyl)propanoate
[19391-35-6]
19391-35-6 [RN]
benzyl (2S)-3-(4-hydroxyphenyl)-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoate
Boc-(L)-tyrosine benzyl ester
BOC-L-TYROSINE BENZYL ESTER
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

ZINC02556567 [DBID]

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

Density: 1.2±0.1 g/cm3
Boiling Point: 543.8±50.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.5 mmHg at 25°C
Enthalpy of Vaporization: 85.3±3.0 kJ/mol
Flash Point: 282.7±30.1 °C
Index of Refraction: 1.563
Molar Refractivity: 101.7±0.3 cm3
#H bond acceptors: 6
#H bond donors: 2
#Freely Rotating Bonds: 9
#Rule of 5 Violations: 0
ACD/LogP: 4.49
ACD/LogD (pH 5.5): 4.22
ACD/BCF (pH 5.5): 948.66
ACD/KOC (pH 5.5): 4705.54
ACD/LogD (pH 7.4): 4.22
ACD/BCF (pH 7.4): 944.09
ACD/KOC (pH 7.4): 4682.85
Polar Surface Area: 85 Å2
Polarizability: 40.3±0.5 10-24cm3
Surface Tension: 46.9±3.0 dyne/cm
Molar Volume: 313.1±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) =  4.71

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  448.60  (Adapted Stein & Brown method)
    Melting Pt (deg C):  169.71  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.85E-009  (Modified Grain method)
    Subcooled liquid VP: 8.89E-008 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):  1.653
       log Kow used: 4.71 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  20.946 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   8.69E-015  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  8.426E-010 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  4.71  (KowWin est)
  Log Kaw used:  -12.449  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  17.159
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.9391
   Biowin2 (Non-Linear Model)     :   0.9877
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.2633  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.5570  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.0477
   Biowin6 (MITI Non-Linear Model):   0.0252
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.4200
 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):  1.19E-005 Pa (8.89E-008 mm Hg)
  Log Koa (Koawin est  ): 17.159
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.253 
       Octanol/air (Koa) model:  3.54E+004 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.901 
       Mackay model           :  0.953 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  56.9812 E-12 cm3/molecule-sec
      Half-Life =     0.188 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     2.253 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 0.927 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  8.553E+004
      Log Koc:  4.932 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  1.464E-001  L/mol-sec
  Kb Half-Life at pH 8:      54.798  days   
  Kb Half-Life at pH 7:       1.500  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 2.928 (BCF = 846.9)
       log Kow used: 4.71 (estimated)

 Volatilization from Water:
    Henry LC:  8.69E-015 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.298E+011  hours   (5.41E+009 days)
    Half-Life from Model Lake : 1.417E+012  hours   (5.902E+010 days)

 Removal In Wastewater Treatment:
    Total removal:              66.44  percent
    Total biodegradation:        0.60  percent
    Total sludge adsorption:    65.84  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       7.27e-007       4.5          1000       
   Water     9.36            900          1000       
   Soil      79.3            1.8e+003     1000       
   Sediment  11.3            8.1e+003     0          
     Persistence Time: 2.07e+003 hr




                    

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