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Chemical Structure| 37669-64-0

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Product Details of [ 37669-64-0 ]

CAS No. :37669-64-0
Formula : C6H6BrNO
M.W : 188.02
SMILES Code : BrC1=CN=CC(=C1)CO
MDL No. :MFCD03265757
InChI Key :WDVDHJLKXYCOFS-UHFFFAOYSA-N
Pubchem ID :2784733

Safety of [ 37669-64-0 ]

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

Computational Chemistry of [ 37669-64-0 ] Show Less

Physicochemical Properties

Num. heavy atoms 9
Num. arom. heavy atoms 6
Fraction Csp3 0.17
Num. rotatable bonds 1
Num. H-bond acceptors 2.0
Num. H-bond donors 1.0
Molar Refractivity 38.06
TPSA ?

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

33.12 Ų

Lipophilicity

Log Po/w (iLOGP)?

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

1.61
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

0.66
Log Po/w (WLOGP)?

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

1.18
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.

0.65
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

1.89
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

1.2

Water Solubility

Log S (ESOL):?

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

-1.85
Solubility 2.66 mg/ml ; 0.0142 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.

-0.93
Solubility 22.0 mg/ml ; 0.117 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

-2.71
Solubility 0.368 mg/ml ; 0.00196 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.

-6.98 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)

1.35

Application In Synthesis of [ 37669-64-0 ]

* 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 [ 37669-64-0 ]

[ 37669-64-0 ] Synthesis Path-Downstream   1~4

  • 1
  • [ 37669-64-0 ]
  • [ 544-92-3 ]
  • [ 135124-71-9 ]
YieldReaction ConditionsOperation in experiment
24% In N,N-dimethyl-formamide; at 170℃; for 48h; c) (5-Cyano-pyridin-3-yl)-methanol A yellow solution of (5-bromo-pyridin-3-yl)-methanol (1.30 g, 6.91 mmol), anhydrous DMF (27.7 mL) and copper (1) cyanide (0.92 g, 10 mmol) was heated at 170 C. for 36 h. The reaction mixture was cooled to room temperature and additional copper (I) cyanide (0.058 g, 0.65 mmol) was added to the yellow solution. The reaction flask was then heated at 170 C. for an additional 12 h. The yellow solution was cooled to room temperature, quenched with NaHCO3 (120 mL), and extracted with EtOAc (3*100 mL). The combined organic extracts were dried over MgSO4, filtered through sintered glass and concentrated to yield 0.502 g (54%) of a brown oil residue. The residue was purified by column chromatography (elution with EtOAC:hexanes, 1:1) and yielded 0.225 g (24%) of the title compound as a white solid. 1H NMR (CDCl3): 8.80 (dd, J=2.20, 1.92 Hz, 2H), 8.03 (m, J=2.20, 1.92 Hz, 1H), 4.83 (d, J=4.7 Hz, 2H).
  • 2
  • [ 37669-64-0 ]
  • [ 135124-71-9 ]
YieldReaction ConditionsOperation in experiment
In pyridine; chloroform; ethyl acetate; EXAMPLE 2 5-[[(5-Bromo-3,6-dihydro-2-methyl-6-oxo-4-pyrimidinyl)amino]methyl]-3-pyridinecarbonitrile A stirred mixture of 5-hydroxymethyl-3-bromopyridine (8.50 g, 45.2 mmol) and copper (I) cyanide (10.1 g, 11.3 mmol) in pyridine (50 mL) was heated in a sealed pressure reaction vessel at 165 C. for 20 hours. After cooling to 23 C., the mixture was diluted with concentrated ammonium hydroxide (15 mL) and saturated aqueous ammonium chloride (60 mL), after stirring for 2 hours, the mixture was treated with chloroform (50 mL) and allowed to set for 72 hours. The aqueous layer was then extracted with chloroform. The combined organic extracts were dried (MgSO4), filtered, and concentrated in vacuo. The residue was purified by flash chromatography (silica gel, 2 inch column, 4:1 EtOAc:hexane as eluant) followed by crystallization from diethyl ether to afford 5-hydroxymethyl-3-pyridinecarbonitrile (5.42 g, 40.4 mmol, 89% yield): Rf 0.49 (EtOAc); 1 H NMR (CDCl3, 200 MHz)delta8.80 (m, 2H), 8.03 (s, 1H), 4.83 (s, 2H).
  • 3
  • [ 37669-64-0 ]
  • copper(l) cyanide [ No CAS ]
  • [ 135124-71-9 ]
YieldReaction ConditionsOperation in experiment
51% 19.2 5-(hydroxymethyl)pyridine-3-carbonitrile A mixture of 4.2 g (22.34 mmol) of (5-bromopyridin-3-yl)methanol and 5 g (55.84 mmol) of copper cyanide in 22 mL of pyridine is heated for 20 hours in a sealed tube at 160 C. After cooling to room temperature, the medium is taken up in 10 mL of concentrated aqueous ammonia and 30 mL of saturated NH4Cl solution and then stirred for 2 hours. The medium is then extracted with 200 mL of a DCM/iPrOH mixture (85/15), dried over Na2SO4 and then concentrated under reduced pressure and purified by chromatography on a column of silica gel, eluting with a 98/2 DCM/MeOH mixture. 2.13 g of 5-(hydroxymethyl)pyridine-3-carbonitrile are obtained in the form of a white solid. Yield=51% 1H NMR, CDCl3, 400 MHz, delta (ppm): 8.9 (d, 2H); 8.0 (s, 1H); 4.9 (s, 2H); 2.3 (bs, 1H)
42% With pyridine; at 165℃; for 48h;Sealed tube; The IIb-5-1 (5.00 g, 26.5 mmol, 1.0 equivalent weight) and CuCN (6.00 g, 65.0 mmol, 2.5 equivalent weight)were respectively weighted and dissolved in Py, and the mixture was disposed in a sealed tube and heated to 165C.After reacting for 48h, the end of the reaction was detected by TLC test. The reaction mixture was cooled to roomtemperature, diluted with aq. NH3 and aq. NH4Cl, and extracted with CHCl3 (150mL33). The organic phase was combinedand washed with water (100mL32), washed with saturated NaCl solution (100mL32), and dried with anhydrous Na2SO4.The organic phase was concentrated. The crude product was separated and purified by column chromatography, toobtain 1.50g solid IIb-5-2 (the yield was 42%).1H-NMR (400 MHz, CDCl3) delta ppm 8.81 (s, 1H), 8.80 (s, 1H), 8.03 (s, 1H), 4.83 (s, 2H).
  • 4
  • [ 557-21-1 ]
  • [ 37669-64-0 ]
  • [ 135124-71-9 ]
YieldReaction ConditionsOperation in experiment
35% With 1,1'-bis-(diphenylphosphino)ferrocene; bis(dibenzylideneacetone)-palladium(0); In N,N-dimethyl-formamide; at 170℃; for 4h;Microwave irradiation; To a stirred solution of (5-bromopyridin-3-yl)methanol (3.1 g, 16.57 mmol) in DMF (50 mL) at room temperature were added Zn(CN)2 (2 g, 16.57 mmol), dppf (460 mg, 0.828 mmol) and Pd2(dba)3 (307 mg, 0.335 mmol). The reaction mass was heated to 170 C. under microwave for 4 h. The reaction mass was filtered through celite pad, the filtrate was concentrated under reduced pressure to get crude compound. The crude compound was purified by silica gel column chromatography (100-200) using CH2Cl2 in MeOH (90:10) as eluent and obtained 5-(hydroxymethyl)nicotinonitrile (800 mg, yield: 35% LC/MS: 88%) as a brown solid. NMR (CDCl3, 400 MHz): delta 8.81 (dd, J=9.6 Hz, 6.0 Hz, 2H), 8.03-8.02 (m, 1H), 4.83 (s, 2H), 2.11 (bs, 1H).
13.86% With 1,1'-bis-(diphenylphosphino)ferrocene; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; zinc; In 1,2-dimethoxyethane; at 130℃; for 15h;Inert atmosphere; Sealed tube; A solution of (5-bromo-3-pyridyl)methanol (3 g, 15.96 mmol), Zn(CN)2(2.06 g, 17.55 mmol), DPPF (0.88g, 1.60 mmol), Zn (O. lg, 1.60 mmol) and Pd(dppf)Cl2(1.17 g, 1.60 mmol) in DME (40 mL) was degassed and purged with N2for 3 times. The mixture was stirred at 130 C for 15 hr under N2atmosphere. The reaction mixture was filtered and concentrated. The residue was purified by column chromatography (silica gel, Petroleum ether : Ethyl acetate=40: l to 0: 1) to give 5-(hydroxymethyl)pyridine-3-carbonitrile (1 g, 13.86% yield, 89% purity) as a black solid that can be used directly for next step. MS: m/z found 135.1 [M+H]+; 1H NMR (400 MHz, CDCl3): d 8.72 (s, 2H), 7.95 (s, 1H), 4.75 (s, 2H).
 

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