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Search term: tryprostatin B (Found by approved synonym)
ChemSpider 2D Image | tryprostatin B | C21H25N3O2

tryprostatin B

  • Molecular FormulaC21H25N3O2
  • Average mass351.442 Da
  • Monoisotopic mass351.194672 Da
  • ChemSpider ID8038977

  • defined stereocentres - 2 of 2 defined stereocentres

More details:

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Natural Product Updates

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(3S,8aS)-3-{[2-(3-Methyl-2-buten-1-yl)-1H-indol-3-yl]methyl}hexahydropyrrolo[1,2-a]pyrazin-1,4-dion [German] [ACD/IUPAC Name]
(3S,8aS)-3-{[2-(3-Methyl-2-buten-1-yl)-1H-indol-3-yl]methyl}hexahydropyrrolo[1,2-a]pyrazine-1,4-dione [ACD/IUPAC Name]
(3S,8aS)-3-{[2-(3-Méthyl-2-butén-1-yl)-1H-indol-3-yl]méthyl}hexahydropyrrolo[1,2-a]pyrazine-1,4-dione [French] [ACD/IUPAC Name]
(3S,8aS)-3-{[2-(3-methylbut-2-en-1-yl)-1H-indol-3-yl]methyl}hexahydropyrrolo[1,2-a]pyrazine-1,4-dione
Pyrrolo[1,2-a]pyrazine-1,4-dione, hexahydro-3-[[2-(3-methyl-2-buten-1-yl)-1H-indol-3-yl]methyl]-, (3S,8aS)- [ACD/Index Name]
tryprostatin B
tryprostatin C
(3S,8aS)-3-((2-(3-methylbut-2-enyl)-1H-indol-3-yl)methyl)-hexahydropyrrolo[1,2-a]pyrazine-1,4-dione
171864-80-5 [RN]
179936-52-8 [RN]
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Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

Density: 1.3±0.1 g/cm3
Boiling Point: 642.1±55.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.9 mmHg at 25°C
Enthalpy of Vaporization: 94.8±3.0 kJ/mol
Flash Point: 342.1±31.5 °C
Index of Refraction: 1.646
Molar Refractivity: 101.7±0.4 cm3
#H bond acceptors: 5
#H bond donors: 2
#Freely Rotating Bonds: 4
#Rule of 5 Violations: 0
ACD/LogP: 1.46
ACD/LogD (pH 5.5): 2.23
ACD/BCF (pH 5.5): 29.44
ACD/KOC (pH 5.5): 391.80
ACD/LogD (pH 7.4): 2.23
ACD/BCF (pH 7.4): 29.44
ACD/KOC (pH 7.4): 391.80
Polar Surface Area: 65 Å2
Polarizability: 40.3±0.5 10-24cm3
Surface Tension: 58.4±5.0 dyne/cm
Molar Volume: 280.3±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) =  2.72

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  603.40  (Adapted Stein & Brown method)
    Melting Pt (deg C):  260.90  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.58E-013  (Modified Grain method)
    Subcooled liquid VP: 6.01E-011 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):  28.91
       log Kow used: 2.72 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  86.649 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.84E-013  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.527E-015 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.72  (KowWin est)
  Log Kaw used:  -11.124  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  13.844
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.1099
   Biowin2 (Non-Linear Model)     :   0.9896
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.1644  (months      )
   Biowin4 (Primary Survey Model) :   3.6145  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.0676
   Biowin6 (MITI Non-Linear Model):   0.0061
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.4388
 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):  8.01E-009 Pa (6.01E-011 mm Hg)
  Log Koa (Koawin est  ): 13.844
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  374 
       Octanol/air (Koa) model:  17.1 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1 
       Mackay model           :  1 
       Octanol/air (Koa) model:  0.999 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 322.0685 E-12 cm3/molecule-sec
      Half-Life =     0.033 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    23.911 Min
   Ozone Reaction:
      OVERALL Ozone Rate Constant =    43.000000 E-17 cm3/molecule-sec
      Half-Life =     0.027 Days (at 7E11 mol/cm3)
      Half-Life =     38.378 Min
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 1 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1.982E+005
      Log Koc:  5.297 

 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 = 1.394 (BCF = 24.76)
       log Kow used: 2.72 (estimated)

 Volatilization from Water:
    Henry LC:  1.84E-013 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 5.965E+009  hours   (2.486E+008 days)
    Half-Life from Model Lake : 6.508E+010  hours   (2.711E+009 days)

 Removal In Wastewater Treatment:
    Total removal:               3.90  percent
    Total biodegradation:        0.11  percent
    Total sludge adsorption:     3.79  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       0.00803         0.355        1000       
   Water     16.4            1.44e+003    1000       
   Soil      83.4            2.88e+003    1000       
   Sediment  0.219           1.3e+004     0          
     Persistence Time: 1.66e+003 hr

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