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Chemical Structure| 25808-30-4 Chemical Structure| 25808-30-4

Structure of 25808-30-4

Chemical Structure| 25808-30-4

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Product Details of [ 25808-30-4 ]

CAS No. :25808-30-4
Formula : C3H7ClN2
M.W : 106.55
SMILES Code : N#CCNC.[H]Cl
MDL No. :MFCD00012587
InChI Key :DFKBQHBEROHUNF-UHFFFAOYSA-N
Pubchem ID :117641

Safety of [ 25808-30-4 ]

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

Computational Chemistry of [ 25808-30-4 ] Show Less

Physicochemical Properties

Num. heavy atoms 6
Num. arom. heavy atoms 0
Fraction Csp3 0.67
Num. rotatable bonds 1
Num. H-bond acceptors 2.0
Num. H-bond donors 1.0
Molar Refractivity 26.05
TPSA ?

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

35.82 Ų

Lipophilicity

Log Po/w (iLOGP)?

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

0.0
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

0.38
Log Po/w (WLOGP)?

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

0.53
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.

-0.33
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

-0.42
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

0.03

Water Solubility

Log S (ESOL):?

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

-0.67
Solubility 22.6 mg/ml ; 0.212 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.

-0.7
Solubility 21.4 mg/ml ; 0.201 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

-0.67
Solubility 23.0 mg/ml ; 0.216 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

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.

-6.68 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

2.0
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)

1.21

Application In Synthesis of [ 25808-30-4 ]

* 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 [ 25808-30-4 ]

[ 25808-30-4 ] Synthesis Path-Downstream   1~2

  • 1
  • [ 79-37-8 ]
  • [ 25808-30-4 ]
  • [ 87486-33-7 ]
YieldReaction ConditionsOperation in experiment
70% In chlorobenzene; at 90.0℃; bl . l) Compound (2) To a solution of cyano-N-methylmethanaminium chloride (6.4 g, 39.9 mmol) in chlorobenzene (50 ml) was added dropwise oxalyl chloride (12 ml, 137 mmol) at r. t., then the resulting solution was heated slowly to 90 C and stirred overnight. The solvent was removed, the residue was purified by column chromatography on silica gel (PE:EA=10: 1) to give the title compound as yellow oil (5 g, 70% yield). LC-MS (ESI+): m/e 178 (M+H)+, Rt: 1.54 min.
60% In 1,2-dichloro-benzene; at 80.0℃; for 8.0h; d) 3,5-Dichloro-1-methyl-1H-pyrazin-2-one (4c)[0245][0246]3.29 g (30.8 mmoles) of methylamino-acetonitrile hydrochloride is placed in the presence of 19.6 g (154 mmoles) of oxalyl chloride in 30 ml of 1,2-dichlorobenzene. The mixture is heated for 8 hours at 80 C. After concentrating the reaction medium to dryness, the residue obtained is purified by flash chromatography (Petroleum ether-CH2Cl2 gradient 100-0 to 0-100). 3.35 g of intermediate 4c is obtained in beige powder form (yield: 60%).[0247]TLC silica gel 60 F 254 Merck, CH2Cl2-MeOH: 90-10, Rf=0.79.
In chloroform;Reflux; Step 1. 3,5-dichloro-1-methylpyrazin-2(1H)-one(Methylamino)acetonitrile hydrochloride (2.55 g, 23.9 mmol) was dissolved in chloroform in a 1-neck round-bottom flask (38.93 mL, 486.5 mmol) and oxalyl chloride (6.07 mL, 71.8 mmol) was added. The reaction was heated to reflux overnight and was transferred into a different flask, and the solvent removed by rotary evaporation. The reaction was chromatographed on silica gel using 1:1 EtOAc/hexanes to give the product. Mass spec: [M+1]: 179. 1H NMR (CDCl3): 7.25 (s, 1H), 3.60 (s, 3H).
  • 2
  • [ 24424-99-5 ]
  • [ 25808-30-4 ]
  • [ 180976-09-4 ]
YieldReaction ConditionsOperation in experiment
69% With triethylamine; In dichloromethane; at 20℃; for 168h; To a suspension of methylaminoacetonitrile hydrochloride (11.45 g, 107.4 mmol) in DCM (100 ml_) was added triethylamine (31.5 mL, 226 mmol), followed by di-tert-butyl dicarbonate (22.3 g, 102.2 mmol) and the reaction mixture was stirred at room temperature over the weekend. The reaction mixture was filtered, concentrated in vacuo and purified over silica using a gradient of 10-20percent ethyl acetate/cyclohexane. The pure fractions were combined and concentrated to afford the title compound (11.94 g, 69percent) as a colourless liquid. LC-MS (Method 5): 2.82 min, [M+H]+ 171.1.
 

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