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Chemical Structure| 154471-65-5 Chemical Structure| 154471-65-5

Structure of 154471-65-5

Chemical Structure| 154471-65-5

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CAS No.: 154471-65-5

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Product Details of [ 154471-65-5 ]

CAS No. :154471-65-5
Formula : C5H5F3N2
M.W : 150.10
SMILES Code : FC(C1=NN(C)C=C1)(F)F
MDL No. :MFCD00179867
InChI Key :MQSLINQSJFALSP-UHFFFAOYSA-N
Pubchem ID :2780404

Safety of [ 154471-65-5 ]

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

Computational Chemistry of [ 154471-65-5 ] Show Less

Physicochemical Properties

Num. heavy atoms 10
Num. arom. heavy atoms 5
Fraction Csp3 0.4
Num. rotatable bonds 1
Num. H-bond acceptors 4.0
Num. H-bond donors 0.0
Molar Refractivity 28.49
TPSA ?

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

17.82 ?2

Lipophilicity

Log Po/w (iLOGP)?

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

1.49
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

1.15
Log Po/w (WLOGP)?

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

2.59
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.

1.17
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

1.38
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

1.56

Water Solubility

Log S (ESOL):?

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

-1.8
Solubility 2.38 mg/ml ; 0.0159 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.

-1.12
Solubility 11.4 mg/ml ; 0.0761 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

-1.67
Solubility 3.25 mg/ml ; 0.0216 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.

-6.4 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

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)

 1.3

Application In Synthesis of [ 154471-65-5 ]

* 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.

  • Upstream synthesis route of [ 154471-65-5 ]
  • Downstream synthetic route of [ 154471-65-5 ]

[ 154471-65-5 ] Synthesis Path-Upstream   1~10

  • 1
  • [ 60-34-4 ]
  • [ 154471-65-5 ]
YieldReaction ConditionsOperation in experiment
89% With acetic acid In water at 20 - 28℃; for 1 h; Method B, in the 28 °C constant temperature in the water bath, to 50 ml of the three flasks, input 6.28 g (0.025 μM) 2, 4 - dichloro - 1, 1, 1 - trifluoro -2 - ene butyl butyl ether, 15.0 g acetic acid (14.3 ml) and 5.4 g water (5.4 ml), stirring slowly dripping 8.35 g 40percent aqueous solution of methyl hydrazine (wherein methyl jingjing mole number is 0.073 μM), dropping time is 5 minutes, and then remain at room temperature 1 hour. To recover the acetic acid by distillation, the remaining product after the water washing, drying, to obtain 3.35 g 1 - methyl -3 - (trifluoromethyl) - 1 - H - pyrazole, and the yield is 89percent.
References: [1] Patent: CN106916107, 2017, A, . Location in patent: Paragraph 0055; 0056; 0058.
  • 2
  • [ 60-34-4 ]
  • [ 154471-65-5 ]
YieldReaction ConditionsOperation in experiment
85% With acetic acid In water at 20 - 28℃; for 1 h; Method A, in the 28 °C constant temperature in the water bath, to 50 ml of the three flasks, input 7.2 g (0.025 μM) 2, 2, 4 - trichloro - 1, 1, 1 - trifluoro-butyl butyl ether, 15.0 g acetic acid (14.3 ml) and 5.4 g (5.4 ml) water, in the stirring slowly dripping 8.35 g 40percent aqueous solution of methyl hydrazine (wherein methyl jingjing mole number is 0.073 μM), dropping time is 5 minutes, and then remain at room temperature 1 hour. To recover the acetic acid by distillation, the remaining product after the water washing, drying, to obtain 3.2 g 1 - methyl -3 - (trifluoromethyl) - 1 - H - pyrazole, and the yield is 85percent.
References: [1] Patent: CN106916107, 2017, A, . Location in patent: Paragraph 0055; 0056; 0057.
  • 3
  • [ 59938-06-6 ]
  • [ 302-15-8 ]
  • [ 154471-65-5 ]
References: [1] Patent: US2016/243100, 2016, A1, . Location in patent: Paragraph 0179-0180.
  • 4
  • [ 59938-06-6 ]
  • [ 60-34-4 ]
  • [ 154471-65-5 ]
References: [1] European Journal of Organic Chemistry, 2002, # 17, p. 2913 - 2920.
[2] Patent: WO2007/43677, 2007, A1, . Location in patent: Page/Page column 485-486.
[3] Patent: US2011/160188, 2011, A1, . Location in patent: Page/Page column 4; 11.
  • 5
  • [ 59938-06-6 ]
  • [ 60-34-4 ]
  • [ 153085-15-5 ]
  • [ 154471-65-5 ]
YieldReaction ConditionsOperation in experiment
24 g at 55℃; for 20 h; Cooling with ice ETFBO (270 g, 1.61 mol, 1.00 eq) was dissolved in methanol (750 mL). The solution was cooled in an ice/water-bath and methyl hydrazine (88.3 mL, 77.7 g, 1.69 mol, 1.05 eq) was added dropwise within 20 minutes. The mixture was heated to 55°C and stirred at this temperature for 20 h in dry air (drying tube). Successively the solvent was removed and the residue distilled under vacuum : 1st Fraction : 150 mbar, 130°C bath temperature, 73~85°C, mixture of isomers, 129 g.2nd Fraction : 70 mbar, 150°C bath temperature, 75~85°C, 1-methyl-3-(trifluoromethyl)-1H-pyrazole, 24 g. Overall yield : 153 g (1.02 mol) 63 percent.
References: [1] Patent: EP2662359, 2013, A1, . Location in patent: Page/Page column 6; 10.
  • 6
  • [ 59938-06-6 ]
  • [ 60-34-4 ]
  • [ 153085-15-5 ]
  • [ 154471-65-5 ]
YieldReaction ConditionsOperation in experiment
24 g at 55℃; for 20 h; Cooling with ice The solution was cooled in an ice/water-bath and methyl hydrazine (88.3 mL, 77.7 g, 1.69 mol, 1.05 eq) was added dropwise within 20 minutes. The mixture was heated to 55°C and stirred at this temperature for 20 h in dry air (drying tube). Successively the solvent was removed and the residue distilled under vacuum : 1st Fraction : 150 mbar, 130°C bath temperature, 73~85°C, mixture of isomers, 129 g. 2nd Fraction : 70 mbar, 150°C bath temperature, 75-85 °C, l-methyl-3-(trifluoro- methyl)-lH-pyrazole, 24 g. Overall yield : 153 g (1.02 mol) 63 percent.
References: [1] Patent: WO2013/167586, 2013, A1, . Location in patent: Page/Page column 10.
  • 7
  • [ 20154-03-4 ]
  • [ 74-88-4 ]
  • [ 154471-65-5 ]
References: [1] Bioorganic and Medicinal Chemistry Letters, 2005, vol. 15, # 22, p. 4898 - 4906.
  • 8
  • [ 59938-06-6 ]
  • [ 60-34-4 ]
  • [ 154471-65-5 ]
  • [ 272442-83-8 ]
References: [1] Journal of Heterocyclic Chemistry, 2002, vol. 39, # 5, p. 1025 - 1027.
  • 9
  • [ 59938-06-6 ]
  • [ 60-34-4 ]
  • [ 153085-15-5 ]
  • [ 154471-65-5 ]
  • [ 272442-83-8 ]
References: [1] Journal of Heterocyclic Chemistry, 2003, vol. 40, # 6, p. 1087 - 1089.
  • 10
  • [ 154471-65-5 ]
  • [ 497832-99-2 ]
References: [1] European Journal of Organic Chemistry, 2002, # 17, p. 2913 - 2920.
[2] Patent: US2016/243100, 2016, A1, . Location in patent: Paragraph 0162-0163.
 

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