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Chemical Structure| 55279-29-3 Chemical Structure| 55279-29-3
Chemical Structure| 55279-29-3

3-Aminoisonicotinaldehyde

CAS No.: 55279-29-3

4.5 *For Research Use Only !

Cat. No.: A278860 Purity: 95%

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Product Details of [ 55279-29-3 ]

CAS No. :55279-29-3
Formula : C6H6N2O
M.W : 122.12
SMILES Code : O=CC1=CC=NC=C1N
MDL No. :MFCD06410684
InChI Key :NDEGFXFYOKVWAK-UHFFFAOYSA-N
Pubchem ID :2763001

Safety of [ 55279-29-3 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H315-H319-H335
Precautionary Statements:P261-P305+P351+P338

Calculated chemistry of [ 55279-29-3 ] Show Less

Physicochemical Properties

Num. heavy atoms 9
Num. arom. heavy atoms 6
Fraction Csp3 0.0
Num. rotatable bonds 1
Num. H-bond acceptors 2.0
Num. H-bond donors 1.0
Molar Refractivity 34.03
TPSA ?

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

55.98 Ų

Lipophilicity

Log Po/w (iLOGP)?

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

0.62
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

0.18
Log Po/w (WLOGP)?

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

0.48
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.

-0.84
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

0.8
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

0.25

Water Solubility

Log S (ESOL):?

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

-1.14
Solubility 8.89 mg/ml ; 0.0728 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.

-0.91
Solubility 14.9 mg/ml ; 0.122 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

-1.57
Solubility 3.3 mg/ml ; 0.027 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.

-6.92 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)

1.07

Application In Synthesis of [ 55279-29-3 ]

* 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 [ 55279-29-3 ]

[ 55279-29-3 ] Synthesis Path-Downstream   1~3

  • 1
  • [ 152398-05-5 ]
  • [ 55279-29-3 ]
YieldReaction ConditionsOperation in experiment
85% With manganese(IV) oxide; In chloroform; at 20℃; for 48h; Step 3: [MN02] (29 g, 334 [MMOL)] was added, in one portion, at RT, to a suspension of <strong>[152398-05-5]3-amino-4-hydroxymethyl pyridine</strong> (5.0 g, 40.3 [MMOL)] in [CHC13] (500 ml) with good stirring. After 2 days, the solid was filtered through a pad of Celite and washed with [CHC13.] Removal of the solvent using reduced pressure yielded 4.2 g (85%) of a yellow solid.
85% With manganese(IV) oxide; In chloroform; at 20℃; for 48h; Manganese dioxide (29 gr.; 334 mmoles) was added, in one portion, at room temperature, to a suspension of <strong>[152398-05-5]3-amino-4-hydroxymethyl pyridine</strong> 290 (5.0 gr.; 40.3 mmoles) in 500 ml of chloroform with good stirring. After two days, the solid is filtered through a pad of Celite and washed with chloroform. Removal of the solvent using reduced pressure yielded 4.2 grams (85%) of Compound 291 as a yellow solid.
10.1 g With manganese(IV) oxide; In chloroform; at 20℃; for 18h; Reference Example 39-1 3-Aminopyridine-4-carboaldehyde A solution of (3-aminopyridin-4-yl)-methanol (10.4 g) and manganese dioxide (50.3 g) in chloroform (100 mL) was stirred at room temperature for 18 hours. The reaction solution was filtered through Celite and concentrated to give the title compound (10.1 g). LC-MS ([M+H]+/Rt (min)): 123.0/0.218
  • 3
  • [ 1001-26-9 ]
  • [ 55279-29-3 ]
  • ethyl 1,7-naphthyridine-3-carboxylate hydrochloride [ No CAS ]
YieldReaction ConditionsOperation in experiment
16.8 g To a solution of the compound of Reference Example 39-1 (10.1 g) and <strong>[1001-26-9]ethyl 3-ethoxyacrylate</strong> (13.8 mL) in chloroform (100 mL) was added TFA (63.9 mL) with ice-cooling, and the mixture was stirred for 1 hour with heating under reflux. The reaction solution was concentrated, and the redisue was dissolved in ethyl acetate, washed with saturated aqueous sodium bicarbonate solution and brine, dried over anhydrous sodium sulfate, filtered, and then concentrated in vacuo. The resulting crude product was dissolved in ethyl acetate (350 mL), and then 4 mol/L hydrochloric acid-ethyl acetate solution (42 mL) was added thereto, and the mixture was stirred for 1 hour. The resulting solid was filtered to give the title compound (16.8 g). LC-MS ([M+H]+/Rt (min)): 203.1/0.619
 

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