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Chemical Structure| 915087-25-1 Chemical Structure| 915087-25-1
Chemical Structure| 915087-25-1

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CAS No.: 915087-25-1

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Product Details of [ 915087-25-1 ]

CAS No. :915087-25-1
Formula : C8H9FN2O
M.W : 168.17
SMILES Code : O=C(NC)C1=CC=C(N)C=C1F
MDL No. :MFCD09909322
Boiling Point : No data available
InChI Key :XOKAXPQJUODMSH-UHFFFAOYSA-N
Pubchem ID :44139521

Safety of [ 915087-25-1 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319-H335
Precautionary Statements:P261-P305+P351+P338

Calculated chemistry of [ 915087-25-1 ] Show Less

Physicochemical Properties

Num. heavy atoms 12
Num. arom. heavy atoms 6
Fraction Csp3 0.12
Num. rotatable bonds 2
Num. H-bond acceptors 2.0
Num. H-bond donors 2.0
Molar Refractivity 43.8
TPSA ?

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

55.12 ?2

Lipophilicity

Log Po/w (iLOGP)?

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

1.08
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

1.04
Log Po/w (WLOGP)?

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

1.2
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.

1.34
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

1.08
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

1.15

Water Solubility

Log S (ESOL):?

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

-1.78
Solubility 2.82 mg/ml ; 0.0168 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.

-1.79
Solubility 2.74 mg/ml ; 0.0163 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

-2.7
Solubility 0.337 mg/ml ; 0.002 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.

-6.59 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)

 1.13

Application In Synthesis of [ 915087-25-1 ]

* 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 [ 915087-25-1 ]

[ 915087-25-1 ] Synthesis Path-Downstream   1~2

  • 1
  • [ 915087-25-1 ]
  • [ 1351185-56-2 ]
YieldReaction ConditionsOperation in experiment
83% The mixture of 4-amino-2-fluoro-Nmethylbenzamide(22) (1.68 g, 10 mmol) [35], H2SO4 (0.68 mL) andwater (13 mL) was gently heated until all the components werecompletely dissolved. The mixture was cooled to 0e5 understirring, then the solution of NaNO2 (0.7 g,10 mmol) inwater (2 mL)was added dropwise. The resulting mixture was stirred at 0e5for 0.5 h and then slowly poured into the solution of KI (5 g) in coldwater (20 mL). The solutionwas then heated up to 80 and stirredfor 0.5 h. After cooling it was treated with 30 mL of chloroform andfiltered. The organic layer was washed with 5% Na2SO3 solution,dried over Na2SO4 and rotovapped. Column chromatography onsilica gel (hexane/EtOAc 6:1) afforded 2.33 g (83%) of 2-fluoro-4-iodo-N-methylbenzamide (37). MS (ESI) [MH] 280. 1H NMR(400 MHz, DMSO-d6) d 8.25 (m, 1H), 7.73 (d, J 10.0 Hz, 1H), 7.65 (d,J 7.8 Hz, 1H), 7.37 (t, J 7.8 Hz, 1H), 2.75 (d, J 4.4 Hz, 3H). Thesolution of compound 37 (9 g, 32 mmol) in DMF (25 mL) was addedto the ice cooled suspension of NaH (1.48 g, 36.8 mmol, 60% in oil,washed with hexane) in DMF (50 mL). The resulting mixture wasvigorously stirred for 0.5 h in an ice bath, then SEM-chloride (6.46 g,39 mmol) was added and the mixture was continuously stirredovernight at the ambient temperature. After the reaction wascompleted, the mixture was poured into water (400 mL) and theobtained product was extracted with benzene (2 200 mL),washed with water, dried over Na2SO4 and then filtered through3 cm layer of silica gel washing with 5:1 hexane/EtOAc. The solventwas evaporated in vacuo providing 11 g (84%) of 2-fluoro-4-iodo-Nmethyl-N-[2-(trimethylsilyl)ethoxymethyl]benzamide (40). MS(ESI) [MH] 520. 1H NMR (400 MHz, CDCl3) d 7.58 (m,1H), 7.52 (m,1H), 7.12 (m, 1H), 5.01 (s, 0.8H), 4.58 (s, 1.2H), 3.63 (t, J 8.2 Hz,0.8H), 3.31 (t, J 8.2 Hz, 1.2H), 3.14 (s, 1.8H), 2.92 (d, J 0.8 Hz,1.2H), 0.99 (t, J 8.2 Hz, 0.8H), 0.82 (t, J 8.2 Hz, 1.2H), 0.04 (s,3.6), 0.01 (s, 5.4). The mixture of 6.69 g (51 mmol) of aminoacid(R)-36a or 9.55 g of (R)-36b, 17.4 g (42.5 mmol) of 40, 1.62 g(8.5 mmol) of CuI, 23.5 g (0.17 mol) of K2CO3, 36mL of water,145mLof DMF and 3e5 drops of Et3N was stirred for 10 min, then 6.56 g (46.8 mmol) of 2-acetylcyclohexanone was added and stirringcontinued at 100 for 24 h. After cooling the mixture was rotovapped,the residue was treated with 200mL of water and acidifiedwith hydrochloric acid to 2e3 (~30 mL). Then 200 mL of etherwas added, the mixture was stirred for 0.5 h and the formed precipitatewas filtered off, washed with 50 mL of ether and dried invacuo to give 10.7 g (65%) of (R)-3-(3-fluoro-4-{methyl[2-(trimethylsilyl)ethoxymethyl]carbamoyl}phenylamino)-tetrahydrofuran-3-carboxylic acid ((R)-41) (55% from ester (R)-36b). MS (ESI)[MH] 413. 1H NMR (400 MHz, DMSO-d6) d 12.97 (brs, 1H), 7.07(m, 2H), 6.31 (brs, 1H), 6.17 (brs, 1H), 4.85 (brs, 0.67H), 4.60 (brs,1.33H), 4.10 (brs, 1H), 3.87 (brs, 3H), 3.51 (brs, 0.67H), 3.24 (brs,1.33H), 2.93 (s, 2H), 2.86 (brs, 1H), 2.56 (brs, 1H), 2.16 (brs, 1H), 0.89(brs, 0.67H), 0.73 (brs, 1.33H), 0.03 (m, 9H). The mixture of 10.7 g(26 mmol) of (R)-41 and 8.9 g (39 mmol) of 4-isothiocyanato-2-(trifluoromethyl)benzonitrile (42) [34] in pyridine (100 mL) wasstirred at 80 for 48 h. The residue formed after cooling androtovapping was then treated with ethyl acetate and filteredthrough 2 cm layer of silica gel. The solvent was removed underreduced pressure and the desired product was crystallized fromethanol to obtain 4.85 g (30%) of 4-{(R)-3-[4-cyano-3-(trifluoromethyl)phenyl]-4-oxo-2-thioxo-7-oxa-1,3-diazaspiro[4.4]non-1-yl}-2-fluoro-N-methyl-N-[2-(trimethylsilyl)ethoxymethyl]benzamide ((R)-43). MS (ESI) [MH] 623. 1H NMR (400 MHz,CDCl3) d 8.01 (d, J 8.0 Hz, 1), 7.98 (s, 1), 7.85 (d, J 8.0 Hz, 1),7.57 (m, 1), 7.28 (m, 1), 7.21 (m, 1), 5.06 (s, 0.8), 4.63 (s, 1.2),4.41 (d, J 10.4 Hz, 1), 4.16 (d, J 10.4 Hz, 1), 3.97 (q, J 7.6 Hz,1), 3.78 (m, 1), 3.66 (t, J 8.2 Hz, 0.8), 3.66 (t, J 8.2 Hz, 1.2),3.20 (s, 1.8), 2.99 (s, 0.8), 2.72 (m, 1), 2.47 (m, 1), 1.01 (t,J 8.2 Hz, 0.8), 0.83 (t, J 8.2 Hz, 1.2), 0.06 (s, 3.6), 0.01 (s,5.4). TFA (15 mL) was added to the solution of compound (R)-43(4.8 g, 7.7 mmol) in DCM (30 mL), then the resulting mixture wasstirred for 3 h. The solvent was removed under reduced pressureand the formed residue was subjected to column chromatographyon silica gel (CHCl3/MeOH 60:1) to give 2.96 g (78%) of desiredproduct (R)-6.
81.8% To a suspension of 4-amino-2-fluoro-A/-methylbenzamide (20.0 g, 1 18.9 mmol) in 5N HCI (200 mL) was added a solution of NaN02 (12.3 g, 178.4 mmol) in water (80 mL) at 0 C. The reaction mixture was stirred for 30 min at the same temperature. A solution of Kl (43.4 g, 261.5 mmol) in water (80 mL) was added slowly to the above reaction mixture over a period of 20 min at 0 C. The resulting reaction mixture was allowed to warm to RT and stirred for 1 h. The reaction mixture was neutralized with 5N NaOH and extracted with ethyl acetate (150 mL x 3). The combined organic layer was washed with water (100 mL x 2), dried over Na2S04, and concentrated under reduced pressure to give a residue. The residue was purified by column chromatography on silica gel (hexanes/ethyl acetate = 3/1 ) to give the title compound (27.0 g, 81.8%) as a white solid. H NMR (400 MHz, CDCI3) δ 7.82 (t, 1 H), 7.62 (d, 1 H), 7.51 (d, 1 H), 6.74-6.62 (bs, 1 H), 3.02 (d, 3H).
81.8% 0269] To a suspension of 4-amino-2-fluoro-N-methylbenzamide (20.0 g, 118.9 mmol) in 5N HCl (200 mL) was added a solution of NaNO2 (12.3 g, 178.4 mmol) in water (80 mL) at 0 C. The reaction mixture was stirred for 30 min at the same temperature. A solution of Kl (43.4 g, 261.5 mmol) in water (80 mL) was added slowly to the above reaction mixture over a period of 20 min at 0 C. The resulting reaction mixture was allowed to warm to RT and stirred for 1 h. The reaction mixture was neutralized with 5N NaOH and extracted with ethyl acetate (150 mL×3). The combined organic layer was washed with water (100 mL×2), dried over Na2SO4, and concentrated under reduced pressure to give a residue. [0270] The residue was purified by column chromatography on silica gel (hexanes/ethyl acetate=31) to give the title compound (27.0 g, 81.8%) as a white solid. 1H NMR (400 MHz, CDCl3) δ 7.82 (t, 1H), 7.62 (d, 1H), 7.51 (d, 1H), 6.74-6.62 (bs, 1H), 3.02 (d, 3H).
  • 2
  • [ 22929-52-8 ]
  • [ 915087-25-1 ]
  • [ 7677-24-9 ]
  • 4-(3-cyano-tetrahydrofuran-3-ylamino)-2-fluoro-N-methylbenzamide [ No CAS ]
YieldReaction ConditionsOperation in experiment
58% With ytterbium(III) triflate; at 80℃; for 12h;Sealed tube; General procedure: The mixture of compound 22 (336 mg, 2 mmol), correspondingketone 23e28 (4 mmol), trimethylsilylcyanide (0.5 mL, 4 mmol)and ytterbium(III) (62 mg, 0.1 mmol) was stirred in a closed vesselfor 12 h at 80 C (36 h at 90 C for 1-methylpiperidin-4-one). Thecooled mixture was diluted with ethyl acetate, washed with coldwater, dried over Na2SO4 and the solvent was removed underreduced pressure. Purification was performed using column chromatographyon silica gel (hexane/EtOAc 1:1).
 

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