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Chemical Structure| 3528-45-8 Chemical Structure| 3528-45-8
Chemical Structure| 3528-45-8

1-(4-Methoxybenzyl)-1H-pyrazol-5-amine

CAS No.: 3528-45-8

4.5 *For Research Use Only !

Cat. No.: A145544 Purity: 95%

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Product Details of [ 3528-45-8 ]

CAS No. :3528-45-8
Formula : C11H13N3O
M.W : 203.24
SMILES Code : NC1=CC=NN1CC2=CC=C(OC)C=C2
MDL No. :MFCD03596770
Boiling Point : No data available
InChI Key :JEBIFRSQWFZFMT-UHFFFAOYSA-N
Pubchem ID :3161262

Safety of [ 3528-45-8 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302
Precautionary Statements:P280-P305+P351+P338

Calculated chemistry of [ 3528-45-8 ] Show Less

Physicochemical Properties

Num. heavy atoms 15
Num. arom. heavy atoms 11
Fraction Csp3 0.18
Num. rotatable bonds 3
Num. H-bond acceptors 2.0
Num. H-bond donors 1.0
Molar Refractivity 58.87
TPSA ?

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

53.07 Ų

Lipophilicity

Log Po/w (iLOGP)?

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

1.86
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

1.45
Log Po/w (WLOGP)?

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

1.53
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.

1.27
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

1.09
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

1.44

Water Solubility

Log S (ESOL):?

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

-2.36
Solubility 0.891 mg/ml ; 0.00438 mol/l
Class?

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

Soluble
Log S (Ali)?

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

-2.17
Solubility 1.37 mg/ml ; 0.00676 mol/l
Class?

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

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

-3.11
Solubility 0.159 mg/ml ; 0.000783 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

Yes
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

Yes
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.

-6.51 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

0.0
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

0.0 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)

1.75

Application In Synthesis [ 3528-45-8 ]

* 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 [ 3528-45-8 ]

[ 3528-45-8 ] Synthesis Path-Downstream   1~3

  • 1
  • [ 21080-80-8 ]
  • [ 3528-45-8 ]
  • [ 1354822-41-5 ]
  • C20H23N3O4 [ No CAS ]
YieldReaction ConditionsOperation in experiment
2.56 g; 1.71 g In benzene; at 63℃; for 16h; Intermediate 30Ethyl 6-cyclopropyl-l-[4-(methyloxy)phenyl]methyl}-lH-pyrazolo[3,4-6]pyridine-4- carboxylateA mixture of l-[4-(methyloxy)phenyl]methyl}-lH-pyrazol-5-amine (3 g, 14.76 mmol), <strong>[21080-80-8]ethyl 4-cyclopropyl-2,4-dioxobutanoate</strong> (2.72 g, 14.76 mmol) and benzene (50 mL) were heated at 63 °C for 16 h. The solvent was removed under reduced pressure. The crude residue was purified via silica gel chromatography (eluent: 0 to 25percentEtOAc:Hex) to afford 2.56 g of the desired cyclized product and 1.71 g of the uncyclized adduct. The uncyclized adduct was dissolved in 25 mL of AcOH and heated to reflux for 16 hours. The solvent was removed under reduced pressure and the residue purified via silica gel chromatography (eluent: 0 to 25percent EtOAc:Hex) to afford an additional 1.15 g of the desired cyclized product (combined yield = 71percent). LCMS E-S (M+H) = 352.3. 1H NMR (400 MHz, DMSO-d6) delta ppm 1.07 - 1.13 (m, 4 H) 1.38 (t, J=7.07 Hz, 3 H) 2.39 (s, 1 H) 3.67 (s, 3 H) 4.41 (q, J=7.07 Hz, 2 H) 5.51 (s, 2 H) 6.84 (d, J=8.84 Hz, 2 H) 7.21 (d, J=8.59 Hz, 2 H) 7.64 (s, 1 H) 8.23 (s, 1 H).
  • 2
  • [ 3044-06-2 ]
  • [ 3528-45-8 ]
  • [ 1154740-09-6 ]
YieldReaction ConditionsOperation in experiment
at 125 - 130℃; for 2h;Inert atmosphere; In a round-bottom flask, equipped with a stirrer, thermometer and reflux condenser, mix under nitrogen in the specified order: 1 g (0.0048 mol) of BCD-BTK-13-14 and 1.18 g (0.0051 mol) of diethyl-2-(1- ethoxyethylidene)malonate. Heat the mixture for 2 hours at 125-130 . Distill off the residual solvent using a rotary evaporator. Take the mixture to the next step without additional purification. Yield: 1.88 g (99%).
  • 3
  • [ 21080-80-8 ]
  • [ 3528-45-8 ]
  • [ 1354822-41-5 ]
 

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