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Structure of 222036-66-0

Chemical Structure| 222036-66-0

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Product Details of [ 222036-66-0 ]

CAS No. :222036-66-0
Formula : C8H8N2O
M.W : 148.16
SMILES Code : NC2=CC=C1C(NCC1=C2)=O
MDL No. :MFCD10000828
InChI Key :RGJCJWXNNDARPQ-UHFFFAOYSA-N
Pubchem ID :21956239

Safety of [ 222036-66-0 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319-H332-H335
Precautionary Statements:P280-P305+P351+P338-P310

Computational Chemistry of [ 222036-66-0 ] Show Less

Physicochemical Properties

Num. heavy atoms 11
Num. arom. heavy atoms 6
Fraction Csp3 0.12
Num. rotatable bonds 0
Num. H-bond acceptors 1.0
Num. H-bond donors 2.0
Molar Refractivity 45.8
TPSA ?

Topological Polar Surface Area: Calculated from
Ertl P. et al. 2000 J. Med. Chem.

55.12 Ų

Lipophilicity

Log Po/w (iLOGP)?

iLOGP: in-house physics-based method implemented from
Daina A et al. 2014 J. Chem. Inf. Model.

0.98
Log Po/w (XLOGP3)?

XLOGP3: Atomistic and knowledge-based method calculated by
XLOGP program, version 3.2.2, courtesy of CCBG, Shanghai Institute of Organic Chemistry

0.09
Log Po/w (WLOGP)?

WLOGP: Atomistic method implemented from
Wildman SA and Crippen GM. 1999 J. Chem. Inf. Model.

-0.01
Log Po/w (MLOGP)?

MLOGP: Topological method implemented from
Moriguchi I. et al. 1992 Chem. Pharm. Bull.
Moriguchi I. et al. 1994 Chem. Pharm. Bull.
Lipinski PA. et al. 2001 Adv. Drug. Deliv. Rev.

0.52
Log Po/w (SILICOS-IT)?

SILICOS-IT: Hybrid fragmental/topological method calculated by
FILTER-IT program, version 1.0.2, courtesy of SILICOS-IT, http://www.silicos-it.com

1.14
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

0.54

Water Solubility

Log S (ESOL):?

ESOL: Topological method implemented from
Delaney JS. 2004 J. Chem. Inf. Model.

-1.22
Solubility 8.95 mg/ml ; 0.0604 mol/l
Class?

Solubility class: Log S scale
Insoluble < -10 < Poorly < -6 < Moderately < -4 < Soluble < -2 Very < 0 < Highly

Very soluble
Log S (Ali)?

Ali: Topological method implemented from
Ali J. et al. 2012 J. Chem. Inf. Model.

-0.8
Solubility 23.4 mg/ml ; 0.158 mol/l
Class?

Solubility class: Log S scale
Insoluble < -10 < Poorly < -6 < Moderately < -4 < Soluble < -2 Very < 0 < Highly

Very soluble
Log S (SILICOS-IT)?

SILICOS-IT: Fragmental method calculated by
FILTER-IT program, version 1.0.2, courtesy of SILICOS-IT, http://www.silicos-it.com

-2.51
Solubility 0.459 mg/ml ; 0.0031 mol/l
Class?

Solubility class: Log S scale
Insoluble < -10 < Poorly < -6 < Moderately < -4 < Soluble < -2 Very < 0 < Highly

Soluble

Pharmacokinetics

GI absorption?

Gatrointestinal absorption: according to the white of the BOILED-Egg

High
BBB permeant?

BBB permeation: according to the yolk of the BOILED-Egg

No
P-gp substrate?

P-glycoprotein substrate: SVM model built on 1033 molecules (training set)
and tested on 415 molecules (test set)
10-fold CV: ACC=0.72 / AUC=0.77
External: ACC=0.88 / AUC=0.94

No
CYP1A2 inhibitor?

Cytochrome P450 1A2 inhibitor: SVM model built on 9145 molecules (training set)
and tested on 3000 molecules (test set)
10-fold CV: ACC=0.83 / AUC=0.90
External: ACC=0.84 / AUC=0.91

No
CYP2C19 inhibitor?

Cytochrome P450 2C19 inhibitor: SVM model built on 9272 molecules (training set)
and tested on 3000 molecules (test set)
10-fold CV: ACC=0.80 / AUC=0.86
External: ACC=0.80 / AUC=0.87

No
CYP2C9 inhibitor?

Cytochrome P450 2C9 inhibitor: SVM model built on 5940 molecules (training set)
and tested on 2075 molecules (test set)
10-fold CV: ACC=0.78 / AUC=0.85
External: ACC=0.71 / AUC=0.81

No
CYP2D6 inhibitor?

Cytochrome P450 2D6 inhibitor: SVM model built on 3664 molecules (training set)
and tested on 1068 molecules (test set)
10-fold CV: ACC=0.79 / AUC=0.85
External: ACC=0.81 / AUC=0.87

No
CYP3A4 inhibitor?

Cytochrome P450 3A4 inhibitor: SVM model built on 7518 molecules (training set)
and tested on 2579 molecules (test set)
10-fold CV: ACC=0.77 / AUC=0.85
External: ACC=0.78 / AUC=0.86

No
Log Kp (skin permeation)?

Skin permeation: QSPR model implemented from
Potts RO and Guy RH. 1992 Pharm. Res.

-7.14 cm/s

Druglikeness

Lipinski?

Lipinski (Pfizer) filter: implemented from
Lipinski CA. et al. 2001 Adv. Drug Deliv. Rev.
MW ≤ 500
MLOGP ≤ 4.15
N or O ≤ 10
NH or OH ≤ 5

0.0
Ghose?

Ghose filter: implemented from
Ghose AK. et al. 1999 J. Comb. Chem.
160 ≤ MW ≤ 480
-0.4 ≤ WLOGP ≤ 5.6
40 ≤ MR ≤ 130
20 ≤ atoms ≤ 70

None
Veber?

Veber (GSK) filter: implemented from
Veber DF. et al. 2002 J. Med. Chem.
Rotatable bonds ≤ 10
TPSA ≤ 140

0.0
Egan?

Egan (Pharmacia) filter: implemented from
Egan WJ. et al. 2000 J. Med. Chem.
WLOGP ≤ 5.88
TPSA ≤ 131.6

0.0
Muegge?

Muegge (Bayer) filter: implemented from
Muegge I. et al. 2001 J. Med. Chem.
200 ≤ MW ≤ 600
-2 ≤ XLOGP ≤ 5
TPSA ≤ 150
Num. rings ≤ 7
Num. carbon > 4
Num. heteroatoms > 1
Num. rotatable bonds ≤ 15
H-bond acc. ≤ 10
H-bond don. ≤ 5

1.0
Bioavailability Score?

Abbott Bioavailability Score: Probability of F > 10% in rat
implemented from
Martin YC. 2005 J. Med. Chem.

0.55

Medicinal Chemistry

PAINS?

Pan Assay Interference Structures: implemented from
Baell JB. & Holloway GA. 2010 J. Med. Chem.

0.0 alert
Brenk?

Structural Alert: implemented from
Brenk R. et al. 2008 ChemMedChem

1.0 alert: heavy_metal
Leadlikeness?

Leadlikeness: implemented from
Teague SJ. 1999 Angew. Chem. Int. Ed.
250 ≤ MW ≤ 350
XLOGP ≤ 3.5
Num. rotatable bonds ≤ 7

No; 1 violation:MW<1.0
Synthetic accessibility?

Synthetic accessibility score: from 1 (very easy) to 10 (very difficult)
based on 1024 fragmental contributions (FP2) modulated by size and complexity penaties,
trained on 12'782'590 molecules and tested on 40 external molecules (r2 = 0.94)

1.08

Application In Synthesis of [ 222036-66-0 ]

* 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 [ 222036-66-0 ]

[ 222036-66-0 ] Synthesis Path-Downstream   1~3

  • 1
  • [ 110568-64-4 ]
  • [ 222036-66-0 ]
YieldReaction ConditionsOperation in experiment
84% With hydrogenchloride; iron; In ethanol; water; for 2h;Heating; A mixture of 5-nitro-1 lead noise isobutyl ketone Jie (100mg, 0.56mmoL), reduced iron powder (314mg, 5.6mmoL) was added to ethanol (2. OmL) and concentrated hydrochloric acid (0.5mL) and heated under reflux for 2 hours , TLC the reaction was complete. Cooling, the methanol solution saturated with ammonia (NH3) neutralizing the acid, diatomaceous earth filtration, washed with methanol, the solvent evaporated under reduced pressure to give a white solid 70.0mg, 84% yield
76.2% With hydrogen;palladium 10% on activated carbon; In methanol; for 1h; Step C / Intermediate B8: 5-aminoisoindoiin-1 -oneTo a solution of 5-nitroisoindolin-1 -one (60 mg, 0.337 mmoi) in methanol (20 mL) was added palladium on carbon (10 %, 50 mg). The mixture was stirred under an atmosphere of hydrogen for 1 hour. Filtration through Celite, followed by concentration led to 5-aminoisoindoiin-1 -one as a tan solid (38 mg, yield 78.2 %).
48% With iron; ammonium chloride; In ethanol; water; at 80℃; for 2h; Step 4: Synthesis of 5-Amino-2,3-dihydro-isoindol-1-one To a suspension of Fe (1.1 g, 19.6 mmole), NH4Cl (1.5 g, 28 mmole) in a mixture of ethanol/water (30 ml/7 ml) at 80 C. was added a mixture of 5-Nitro-2,3-dihydro-isoindol-1-one (1 g, 5.6 mmole) in 10 ml ethanol. The reaction mixture was stirred at 80 C. for 2 hours. Mixture was cooled down, filtered off, solid was washed with 50 ml ethanol. The filtrate was concentrated, taken into 50 ml ethylacetate, washed with 20 ml water. Organic layer was dried over Na2SO4, filtered and concentrated to give about 900 mg crude. Trituration with methyl t-butylether gave 400 mg pure product, 48% yield. A 18 ml vial was loaded with a mixture of 30% H2O2 (1 ml), 3N NaOH (3 ml) and MeOH (2.5 ml). To this mixture 5-Amino-pyridine-2-carbonitrile (450 mg, 3.78 mmole) was added at room temperature. Reaction mixture was stirred at rt for 45 minutes, TLC showed the starting material to be consumed. The mixture was diluted with water and filtered; the solid was washed with water and dried to give 480 mg product, 92% yield.
With hydrogenchloride; ethanol; water; iron; at 95℃; for 2h; 5-Amino-2,3-dihydroisoindol-l-oneH2N; [693] Iron powder (158mg, 2.83mmol), water (61uL), and HC1 (37%, 5uL,0.566mmol) were added into the suspension of 5-nitro-2,3-dihydroisoindol-l-one (50.4mg,0.283mmol) in EtOH (754|^L). The above mixture was heated at 95C for 2h. After thattime, several drops of 7N NH3 in MeOH were added to basify the solution, and the solid wasfiltered off. The filtrate was concentrated in vacua to obtain a light-yellow solid that waspurified by preparative TLC eluting with 10% MeOH/CH2Cl2 to give a light-yellow solid of5-amino-2,3-dihydroisoindol-l-one. 'HNMR (CD3OD, 400 MHz): 5 = 7.48 (s, 1 H), 8.08 (s,2 H), 9.91 (s, 1 H), 10.66 (d, 1 H, J= 8.8 Hz). MS (ES+): m/z 149.21 (100) [MH1"]. HPLC: *R= 1.20 min (ZQ2000, polar_5 min).
With hydrogen;palladium on activated charcoal; In methanol; for 1h;Inert atmosphere; To a solution of <strong>[110568-64-4]5-nitro-2,3-dihydro-1H-isoindol-1-one</strong> (60 mg, 0.337 mmol) in methanol (20 mL) was added 50 mg of 10% Pd on carbon. The mixture was hydrogenated (with a balloon) for 1 hour. Filtration through Celite followed by concentration led to 38 mg of 5-amino-2,3-dihydro-1H-isoindol-1-one as a tan solid.
Step 3: 5-aminoisoindolin-1-oneIron powder (2.51 g, 45 mmol), water (0.97 ml) and HCl (37%, 0.74 ml), were added to a stirred suspension of the <strong>[110568-64-4]5-nitroisoindolin-1-one</strong> (800 mg, 4.5 mmol) from step 2 of this example in EtOH (11.2 ml). The mixture was heated at 95 C for 2h. Ammonia (7N in MeOH) was added (ImL) to make the pH of the mixture alkaline. The mixture was filtered to removed undissolved solids and the filter cake washed with EtOH (2x40 ml). The filtrate and organic washes were combined and concentrated in vacuum to give the titled compound.
With palladium on activated charcoal; hydrogen; In methanol; at 50℃; under 2585.81 Torr; for 2h; Toa solution of7D (35 g, 0.2 mol) in MeOH(350 mL) was added Pd/C (7 g), the mixture was stirred at 50C underH2 at 50 psi for 2 hr.Themixturewas filtered and concentratedin vacuumto afford crude7E (30g) as a white solid.

 

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