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[ CAS No. 611-09-6 ] {[proInfo.proName]}

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Chemical Structure| 611-09-6
Chemical Structure| 611-09-6
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Product Citations

Product Citations

Prinsloo, Izak F. ; Petzer, Jacobus P. ; Cloete, Theunis T. , et al. DOI: PubMed ID:

Abstract: The small mol., isatin, is a well-known reversible inhibitor of the monoamine oxidase (MAO) enzymes with IC50 values of 12.3 and 4.86μM for MAO-A and MAO-B, resp. While the interaction of isatin with MAO-B has been characterized, only a few studies have explored structure-activity relationships (SARs) of MAO inhibition by isatin analogs. The current study therefore evaluated a series of 14 isatin analogs as in vitro inhibitors of human MAO-A and MAO-B. The results indicated good potency MAO inhibition for some isatin analogs with five compounds exhibiting IC50 < 1μM. 4-Chloroisatin (1b) and 5-bromoisatin (1f) were the most potent inhibitors with IC50 values of 0.812 and 0.125μM for MAO-A and MAO-B, resp. These compounds were also found to be competitive inhibitors of MAO-A and MAO-B with Ki values of 0.311 and 0.033μM, resp. Among the SARs, it was interesting to note that C5-substitution was particularly beneficial for MAO-B inhibition. MAO inhibitors are established drugs for the treatment of neuropsychiatric and neurodegenerative disorders, while potential new roles in prostate cancer and cardiovascular disease are being investigated.

Keywords: competitive ; inhibition ; isatin ; monoamine oxidase ; structure-activity relationship

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Product Details of [ 611-09-6 ]

CAS No. :611-09-6 MDL No. :MFCD00005720
Formula : C8H4N2O4 Boiling Point : -
Linear Structure Formula :(NO2)C8H4NO2 InChI Key :UNMYHYODJHKLOC-UHFFFAOYSA-N
M.W : 192.13 Pubchem ID :4669250
Synonyms :

Calculated chemistry of [ 611-09-6 ]      Expand+

Physicochemical Properties

Num. heavy atoms : 14
Num. arom. heavy atoms : 6
Fraction Csp3 : 0.0
Num. rotatable bonds : 1
Num. H-bond acceptors : 4.0
Num. H-bond donors : 1.0
Molar Refractivity : 50.98
TPSA : 91.99 ?2

Pharmacokinetics

GI absorption : High
BBB permeant : No
P-gp substrate : No
CYP1A2 inhibitor : No
CYP2C19 inhibitor : No
CYP2C9 inhibitor : No
CYP2D6 inhibitor : No
CYP3A4 inhibitor : No
Log Kp (skin permeation) : -7.14 cm/s

Lipophilicity

Log Po/w (iLOGP) : 0.24
Log Po/w (XLOGP3) : 0.47
Log Po/w (WLOGP) : 0.16
Log Po/w (MLOGP) : -0.85
Log Po/w (SILICOS-IT) : -0.66
Consensus Log Po/w : -0.13

Druglikeness

Lipinski : 0.0
Ghose : None
Veber : 0.0
Egan : 0.0
Muegge : 1.0
Bioavailability Score : 0.55

Water Solubility

Log S (ESOL) : -1.58
Solubility : 5.07 mg/ml ; 0.0264 mol/l
Class : Very soluble
Log S (Ali) : -1.97
Solubility : 2.06 mg/ml ; 0.0107 mol/l
Class : Very soluble
Log S (SILICOS-IT) : -2.16
Solubility : 1.32 mg/ml ; 0.00689 mol/l
Class : Soluble

Medicinal Chemistry

PAINS : 0.0 alert
Brenk : 3.0 alert
Leadlikeness : 1.0
Synthetic accessibility : 1.82

Safety of [ 611-09-6 ]

Signal Word:Warning Class:N/A
Precautionary Statements:P261-P280-P305+P351+P338 UN#:N/A
Hazard Statements:H302-H315-H319-H332-H335 Packing Group:N/A
GHS Pictogram:

Application In Synthesis of [ 611-09-6 ]

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

  • Downstream synthetic route of [ 611-09-6 ]

[ 611-09-6 ] Synthesis Path-Downstream   1~10

  • 1
  • [ 611-09-6 ]
  • [ 30065-27-1 ]
  • 2-(1H-benzimidazol-2-ylthio)-N-(5-nitro-2-oxo-1,2-dihydro-3H-indol-3-ylidene)acetohydrazide [ No CAS ]
  • 3
  • [ 54030-56-7 ]
  • [ 611-09-6 ]
  • [ 1043252-28-3 ]
  • 5
  • [ 611-09-6 ]
  • [ 504-02-9 ]
  • [ 1194-22-5 ]
  • [ 1246222-52-5 ]
  • 6
  • [ 611-09-6 ]
  • [ 126-81-8 ]
  • [ 1194-22-5 ]
  • [ 1246222-45-6 ]
  • 7
  • [ 20197-92-6 ]
  • [ 611-09-6 ]
  • [ 907967-19-5 ]
  • 8
  • [ 611-09-6 ]
  • [ 1194-22-5 ]
  • [ 105-34-0 ]
  • methyl 7'-amino-4'-hydroxy-2'-methyl-5-nitro-2-oxospiro[indoline-3,5'-pyrano[2,3-d]pyrimidine]-6'-carboxylate [ No CAS ]
  • 9
  • [ 611-09-6 ]
  • [ 145091-87-8 ]
  • [ 109-77-3 ]
  • C16H12N6O4 [ No CAS ]
YieldReaction ConditionsOperation in experiment
86% With 2-amino-2-hydroxymethyl-1,3-propanediol; In ethanol; at 20℃; for 4h; General procedure: To a well-stirred solution of isatin and malononitrile(1 mmol each) in ethanol (95%, 4 mL) was added dimedone,4-hydroxycoumarin, 4-hydroxy-N-methylquinolin-2-one,or 2-methyl-pyrazol-2-one [generated in situ from ethylacetoacetate and hydrazine hydrate, 1 mmol each]. To thissolution was added THAM (30 mol %) and stirring wascontinued at ambient temperature. Upon completion of thereaction (TLC), water (5 mL) was added and stirring wascontinued for 10 min more. Resultant solid product wasfiltered, washed repeatedly with water, and dried. The dried solid was washed thrice with hexaneechloroformmixture (1:1, v/v) and dried again. Resultant product didnot require any further purification.
  • 10
  • [ 611-09-6 ]
  • [ 20876-36-2 ]
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