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[ CAS No. 218156-96-8 ] {[proInfo.proName]}

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Chemical Structure| 218156-96-8
Chemical Structure| 218156-96-8
Structure of 218156-96-8 * Storage: {[proInfo.prStorage]}
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Product Details of [ 218156-96-8 ]

CAS No. :218156-96-8 MDL No. :MFCD00116244
Formula : C18H18F3N3O Boiling Point : -
Linear Structure Formula :- InChI Key :DWFGGOFPIISJIT-UHFFFAOYSA-N
M.W : 349.35 Pubchem ID :2797577
Synonyms :
SRPK inhibitor

Calculated chemistry of [ 218156-96-8 ]

Physicochemical Properties

Num. heavy atoms : 25
Num. arom. heavy atoms : 12
Fraction Csp3 : 0.33
Num. rotatable bonds : 5
Num. H-bond acceptors : 5.0
Num. H-bond donors : 1.0
Molar Refractivity : 92.9
TPSA : 45.23 Ų

Pharmacokinetics

GI absorption : High
BBB permeant : Yes
P-gp substrate : Yes
CYP1A2 inhibitor : Yes
CYP2C19 inhibitor : Yes
CYP2C9 inhibitor : No
CYP2D6 inhibitor : Yes
CYP3A4 inhibitor : Yes
Log Kp (skin permeation) : -5.92 cm/s

Lipophilicity

Log Po/w (iLOGP) : 2.81
Log Po/w (XLOGP3) : 3.54
Log Po/w (WLOGP) : 4.92
Log Po/w (MLOGP) : 3.02
Log Po/w (SILICOS-IT) : 3.66
Consensus Log Po/w : 3.59

Druglikeness

Lipinski : 0.0
Ghose : None
Veber : 0.0
Egan : 0.0
Muegge : 0.0
Bioavailability Score : 0.55

Water Solubility

Log S (ESOL) : -4.26
Solubility : 0.0191 mg/ml ; 0.0000548 mol/l
Class : Moderately soluble
Log S (Ali) : -4.17
Solubility : 0.0234 mg/ml ; 0.0000669 mol/l
Class : Moderately soluble
Log S (SILICOS-IT) : -6.11
Solubility : 0.000269 mg/ml ; 0.000000769 mol/l
Class : Poorly soluble

Medicinal Chemistry

PAINS : 0.0 alert
Brenk : 0.0 alert
Leadlikeness : 1.0
Synthetic accessibility : 2.38

Safety of [ 218156-96-8 ]

Signal Word:Warning Class:N/A
Precautionary Statements:P280-P305+P351+P338 UN#:N/A
Hazard Statements:H302 Packing Group:N/A
GHS Pictogram:

Application In Synthesis of [ 218156-96-8 ]

* 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.

  • Upstream synthesis route of [ 218156-96-8 ]
  • Downstream synthetic route of [ 218156-96-8 ]

[ 218156-96-8 ] Synthesis Path-Upstream   1~4

  • 1
  • [ 1496-40-8 ]
  • [ 39178-35-3 ]
  • [ 218156-96-8 ]
YieldReaction ConditionsOperation in experiment
86.3% With triethylamine In dichloromethane at 0℃; for 0.5 h; Isonicotinoyl chloride hydrochloride (6.48 g, 36.4 mmol, commercially available product) and triethylamine (5.57 ml, 54.6 mmol) were sequentially added at 0°C to a dichloromethane (10 ml) solution of 2-(1-piperidinyl)-5-(trifluoromethyl)aniline (4.45 g, 18.2 mmol) obtained as described in Referential Example 1-2B. The mixture was stirred for half an hour. Water was added to the mixture, and the resulting mixture was extracted three times with ethyl acetate. The obtained organic layer was washed with a saturated sodium chloride solution, dried over anhydrous sodium sulfate, filtered, and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (200 g, hexane/ethyl acetate = 1/1) and recrystallization. Thus, N-[2-(1-piperidinyl)-5-(trifluoromethyl) phenyl]isonicotinamide (SRPIN-1, GIF-0340) (5.49 g, 86.3percent) was yielded as a colorless solid.
75% With triethylamine In dichloromethane at 0 - 20℃; for 3 h; A 25 mL round bottom flask initiallyplaced in an ice bath was charged with 0.629 g (3.389 mmol) ofisonicotinoyl chloride hydrochloride, 0.800 mL of triethylamine,8.00 mL of dichoromethane and 0.400 (1.64 mmol) of 2-(piperidin-1-yl)-5-(trifluoromethyl) aniline (8). The ice-bathwas removed andthe mixture was magnetically stirred at room temperature for 3 h.Then, 10.0 mL of distilled water was added, and the mixture wastransferred to a separatory funnel. The aqueous layer was extractedwith ethyl acetate (4 x 30.0 mL). The organic extracts were combinedand the resulting organic layer was washed with brine, driedover sodium sulphate, filtered, and concentrated under reducedpressure. The residue was purified by silica gel column chromatographyeluted with hexane-ethyl acetate (3:1 v/v). The solid wasfurther recrystallized with acetone. The compound SRPIN340 wasobtained as a white solid in 75percent yield (430 mg, 1.23 mmol).TLC Rf = 0.13 (hexane - ethyl acetate 3:1 v/v). mp 95.6-96.7 °C.IR (ATR, cm-1) νmax: 3347, 2945, 2917, 2811, 1679, 1611, 1587, 1556,1527, 1455, 1434, 1380, 1334, 1308, 1239, 1165, 1107, 1093, 1061,1022, 915, 895, 878, 839, 826, 751, 728, 681, 662, 644. 1H NMR(300 MHz, CDCl3) δ: 1.65-1.81 (m, 6H), 2.86 (t, 4H, J = 5.1 Hz), 7.28(d, 1H, J = 8.4 Hz), 7.37 (dd, 1H, J = 8.4 Hz and J = 1.8 Hz), 7.76 (dd,2H, J = 4.5 Hz and J = 1.5 Hz), 8.83-8.85 (m, 3H), 9.55 (s, 1H, NH).13C NMR (75 MHz, CDCl3) δ: 24.0, 27.1, 53.8, 116.6, 120.8, 121.1, 121.6(q, J C-F =3.7 Hz), 124.2 (q, J C-F = 270.5 Hz), 127.5 (q, J C-F = 32.3 Hz),133.4, 141.8, 145.9, 151.1, 163.0. HRMS (M + H+): Calculated forC18H19F3N3O, 350.1480; found: 350.1420.
33.9% With dmap; triethylamine In dichloromethane at 0 - 20℃; for 19.5 h; Isonicotinoyl chloride hydrochloride (151 mg, 0.850 mmol, commercially available product), triethylamine (450 μl, 3.23 mmol), and a catalytic amount of 4-(dimethylamino)pyridine were sequentially added at 0°C to a dichloromethane (5 ml) solution of 2-(1-piperidinyl)-5-(trifluoromethyl)aniline (173 mg, 0.708 mmol), obtained as described in Referential Example 1-2A. The resulting mixture was warmed to room temperature and stirred for 19.5 hours. Water was added to the mixture, and the resulting mixture was extracted three times with ethyl acetate. The obtained organic layer was washed with a saturated aqueous solution of sodium bicarbonate, dried over Na2SO4, filtered, and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (10 g, hexane/ethyl acetate = 1.5/1) and recrystallization (hexane). Thus, N-[2-(1-piperidinyl)-5-(trifluoromethyl)phenyl]isonicotinamide (SRPIN-1, code name GIF-0340) (83.8 mg, 0.240 mmol, 33.9percent) was yielded as a colorless solid. The melting point, and results of TLC and 1H NMR (CDCl3, 400 MHz), are as follows: m.p. 96-98°C; TLC Rf 0.40 (hexane/ethyl acetate = 1/1); 1H NMR (CDCl3, 400 MHz) δ 1.67-1.68 (m, 2H, CH2), 1.78 (tt, 4H, J = 5.5, 5.5 Hz, 2CH2), 2.88 (t, 4H, J = 5.5 Hz, 2CH2), 7.29 (d, 1H, J = 8.2 Hz, aromatic), 7.40 (dd, 1H, J = 1.8, 8.2 Hz, aromatic), 7.76 (dd, 2H, J = 2.0, 4.4 Hz, aromatic), 8.86 (dd, 2H, J = 2.0, 4.4 Hz, aromatic), 8.87 (d, 1H, J = 1.8 Hz, aromatic), 9.53 (s, 1H, NH).
Reference: [1] Patent: EP1712242, 2006, A1, . Location in patent: Page/Page column 18; 31
[2] European Journal of Medicinal Chemistry, 2017, vol. 134, p. 97 - 109
[3] Patent: EP1712242, 2006, A1, . Location in patent: Page/Page column 18; 30; 31
[4] Patent: EP2279750, 2011, A1,
  • 2
  • [ 367-86-2 ]
  • [ 218156-96-8 ]
Reference: [1] European Journal of Medicinal Chemistry, 2017, vol. 134, p. 97 - 109
  • 3
  • [ 1692-79-1 ]
  • [ 218156-96-8 ]
Reference: [1] European Journal of Medicinal Chemistry, 2017, vol. 134, p. 97 - 109
  • 4
  • [ 110-89-4 ]
  • [ 218156-96-8 ]
Reference: [1] European Journal of Medicinal Chemistry, 2017, vol. 134, p. 97 - 109
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