ChemSpider 2D Image | K-252a | C27H21N3O5

K-252a

  • Molecular FormulaC27H21N3O5
  • Average mass467.473 Da
  • Monoisotopic mass467.148132 Da
  • ChemSpider ID2299962
  • defined stereocentres - 3 of 3 defined stereocentres


More details:






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

(15S,16R,18R)-16-Hydroxy-15-méthyl-3-oxo-28-oxa-4,14,19-triazaoctacyclo[12.11.2.115,18.02,6.07,27.08,13.019,26.020,25]octacosa-1,6,8,10,12,20,22,24,26-nonaène-16-carboxylate de méthyle [French] [ACD/IUPAC Name]
6,9-Epoxy-15H-diindolo[1,2,3-fg:3',2',1'-kl]pyrrolo[3,4-i][1,6]benzodiazocine-7-carboxylic acid, 6,7,8,9,16,17-hexahydro-7-hydroxy-6-methyl-15-oxo-, methyl ester, (6S,7R,9R)- [ACD/Index Name]
99533-80-9 [RN]
IV7H45AM5B
K252a
K-252a [Wiki]
Methyl (15S,16R,18R)-16-hydroxy-15-methyl-3-oxo-28-oxa-4,14,19-triazaoctacyclo[12.11.2.115,18.02,6.07,27.08,13.019,26.020,25]octacosa-1,6,8,10,12,20,22,24,26-nonaene-16-carboxylate [ACD/IUPAC Name]
Methyl-(15S,16R,18R)-16-hydroxy-15-methyl-3-oxo-28-oxa-4,14,19-triazaoctacyclo[12.11.2.115,18.02,6.07,27.08,13.019,26.020,25]octacosa-1,6,8,10,12,20,22,24,26-nonaen-16-carboxylat [German] [ACD/IUPAC Name]
(+)-Antibiotic K 252a, (+)-Antibiotic SF 2370, Protein kinase inhibitor K252a, SF 2370
(9S,10R,12R)-2,3,9,10,11,12-Hexahydro-10-hydroxy-9-methyl-1-oxo-9,12-epoxy-1H-diindolo[1,2,3-fg:3',2',1'-kl]pyrrolo[3,4-i][1,6]benzodiazocine-10-carboxylic acid methyl ester
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

05288_FLUKA [DBID]
K1639_SIGMA [DBID]
SF 2370 [DBID]
  • Experimental Physico-chemical Properties
  • Miscellaneous
    • Chemical Class:

      A organic heterooctacyclic compound that is a potent inhibitor of protein kinase C and is isolated from <ital>Nocardiopsis sp</ital> K-252a ChEBI CHEBI:43616
    • Bio Activity:

      Broad Spectrum Protein Kinase Inhibitors Tocris Bioscience 1683
      Enzymes Tocris Bioscience 1683
      Kinases Tocris Bioscience 1683
      Non-selective protein kinase inhibitor; analog of staurosporine (Cat.No. 1285). Inhibits PKC (IC50 = 32.9 nM), Ca2+/calmodulin-stimulated phosphodiesterases (IC50 = 1.3 - 2.9 ?M), MLCK (Ki = 20 nM) an d receptor tyrosine kinases. Inhibits the oncogenic properties of MET; prevents autophosphorylation and activation of downstream effectors (MAPK, Akt). Tocris Bioscience 1683
      Non-selective protein kinase inhibitor; analog of staurosporine (Cat.No. 1285). Inhibits PKC (IC50 = 32.9 nM), Ca2+/calmodulin-stimulated phosphodiesterases (IC50 = 1.3 - 2.9 ?M), MLCK (Ki = 20 nM) and receptor tyrosine kinases. Inhibits the oncogenic properties of MET; prevents autophosphorylation and activation of downstream effectors (MAPK, Akt). Tocris Bioscience 1683
      Non-selective protein kinase inhibitor; analog of staurosporine (Cat.No. 1285). Inhibits PKC (IC50 = 32.9 nM), Ca2+/calmodulin-stimulated phosphodiesterases (IC50 = 1.3 - 2.9 muM), MLCK (Ki = 20 nM) and receptor tyrosine kinases. Inhibits the oncogenic properties of MET; prevents autophosphorylation and activation of downstream effectors (MAPK, Akt). Tocris Bioscience 1683
      Protein kinase inhibitor Tocris Bioscience 1683

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

Density: 1.7±0.1 g/cm3
Boiling Point: 685.3±55.0 °C at 760 mmHg
Vapour Pressure: 0.0±2.2 mmHg at 25°C
Enthalpy of Vaporization: 105.5±3.0 kJ/mol
Flash Point: 368.2±31.5 °C
Index of Refraction: 1.841
Molar Refractivity: 123.6±0.5 cm3
#H bond acceptors: 8
#H bond donors: 2
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: 4.23
ACD/LogD (pH 5.5): 3.72
ACD/BCF (pH 5.5): 397.48
ACD/KOC (pH 5.5): 2524.63
ACD/LogD (pH 7.4): 3.72
ACD/BCF (pH 7.4): 397.47
ACD/KOC (pH 7.4): 2524.56
Polar Surface Area: 95 Å2
Polarizability: 49.0±0.5 10-24cm3
Surface Tension: 73.7±7.0 dyne/cm
Molar Volume: 278.7±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) =  4.60

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  692.92  (Adapted Stein & Brown method)
    Melting Pt (deg C):  302.71  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.25E-019  (Modified Grain method)
    Subcooled liquid VP: 1.59E-016 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):  0.01053
       log Kow used: 4.60 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  8.759 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.58E-019  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  7.302E-018 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  4.60  (KowWin est)
  Log Kaw used:  -16.977  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  21.577
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :  -0.2164
   Biowin2 (Non-Linear Model)     :   0.0003
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.3096  (recalcitrant)
   Biowin4 (Primary Survey Model) :   2.7150  (weeks-months)
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.1982
   Biowin6 (MITI Non-Linear Model):   0.0005
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -3.6458
 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):  2.12E-014 Pa (1.59E-016 mm Hg)
  Log Koa (Koawin est  ): 21.577
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.42E+008 
       Octanol/air (Koa) model:  9.27E+008 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1 
       Mackay model           :  1 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 298.2146 E-12 cm3/molecule-sec
      Half-Life =     0.036 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    25.824 Min
   Ozone Reaction:
      No Ozone Reaction Estimation
   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    :  1477
      Log Koc:  3.169 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  6.186E-003  L/mol-sec
  Kb Half-Life at pH 8:       3.551  years  
  Kb Half-Life at pH 7:      35.505  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 2.843 (BCF = 697.2)
       log Kow used: 4.60 (estimated)

 Volatilization from Water:
    Henry LC:  2.58E-019 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 4.907E+015  hours   (2.044E+014 days)
    Half-Life from Model Lake : 5.353E+016  hours   (2.23E+015 days)

 Removal In Wastewater Treatment:
    Total removal:              61.17  percent
    Total biodegradation:        0.56  percent
    Total sludge adsorption:    60.61  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       0.00313         0.861        1000       
   Water     4.25            4.32e+003    1000       
   Soil      87.5            8.64e+003    1000       
   Sediment  8.22            3.89e+004    0          
     Persistence Time: 6.75e+003 hr




                    

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