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Chemical Structure| 10269-01-9 Chemical Structure| 10269-01-9

Structure of 3-Bromobenzylamine
CAS No.: 10269-01-9

Chemical Structure| 10269-01-9

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Product Details of [ 10269-01-9 ]

CAS No. :10269-01-9
Formula : C7H8BrN
M.W : 186.05
SMILES Code : NCC1=CC=CC(Br)=C1
MDL No. :MFCD01026119
InChI Key :SUYJXERPRICYRX-UHFFFAOYSA-N
Pubchem ID :457587

Safety of [ 10269-01-9 ]

GHS Pictogram:
Signal Word:Danger
Hazard Statements:H302-H314-H412
Precautionary Statements:P273-P280-P305+P351+P338-P310
Class:8
UN#:2735
Packing Group:

Computational Chemistry of [ 10269-01-9 ] Show Less

Physicochemical Properties

Num. heavy atoms 9
Num. arom. heavy atoms 6
Fraction Csp3 0.14
Num. rotatable bonds 1
Num. H-bond acceptors 1.0
Num. H-bond donors 1.0
Molar Refractivity 41.82
TPSA ?

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

26.02 Ų

Lipophilicity

Log Po/w (iLOGP)?

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

1.98
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

-3.77
Log Po/w (WLOGP)?

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

1.76
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.

2.3
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

2.13
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

0.88

Water Solubility

Log S (ESOL):?

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

0.95
Solubility 1670.0 mg/ml ; 9.0 mol/l
Class?

Solubility class: Log S scale
Insoluble < -10 < Poorly < -6 < Moderately < -4 < Soluble < -2 Very < 0 < Highly

Highly soluble
Log S (Ali)?

Ali: Topological method implemented from
Ali J. et al. 2012 J. Chem. Inf. Model.

3.81
Solubility 1210000.0 mg/ml ; 6520.0 mol/l
Class?

Solubility class: Log S scale
Insoluble < -10 < Poorly < -6 < Moderately < -4 < Soluble < -2 Very < 0 < Highly

Highly 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

-3.3
Solubility 0.0941 mg/ml ; 0.000506 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.

-10.11 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

3.0
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)

1.15

Application In Synthesis of [ 10269-01-9 ]

* 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 [ 10269-01-9 ]

[ 10269-01-9 ] Synthesis Path-Downstream   1~5

  • 1
  • [ 24424-99-5 ]
  • [ 10269-01-9 ]
  • [ 171663-13-1 ]
YieldReaction ConditionsOperation in experiment
100% With sodium hydroxide; In tetrahydrofuran; water; at 20℃; for 0.5h; Sodium hydroxide (8.76 g, 219.0 mmol, 2.2 EQ.), di-tert-butyl dicarbonate (26.07 g, 119.45 MMOL, 1.2 EQ. ) AND WATER (100 ML) WERE ADDED TO A STIRRING SOLUTION OF 3-BROMOBENZYLAMINE (22.11 G, 99.55 MMOL, 1.0 EQ. ) IN TETRAHYDROFURAN (75 ML) OVER 30 minutes at room temperature. The mixture was extracted with dichloromethane and water twice. The organic phase was dried and concentrataed to give ter-butyl (3-BROMOBENZYL) -CARBAMATE (34.88G, 100%). LCMS: CALCD 286; OBSD (M+23) 309).
100% With sodium hydrogencarbonate; In tetrahydrofuran; at 20℃; for 3h; A 100-mL round-bottomed flask, equipped with magnetic stirring bar, was charged with THF (10 mL) and (3-bromophenyl) methanamine (1.86 g, 10 mmol) and sodium bicarbonate (1.68 g, 20 mmol), the di-tert-butyl dicarbonate (2.4 g, 11 mmol) was added. The resulted solution was stirred at room temperature for 3 h. The reaction mixture was filtered and the solvents are then removed under reduced pressure, the residue was pure enough for next step without further purification (2.86 g, yield: 100%). m/z 286 (MH-H+).
99% In dichloromethane; at 20℃; for 15h; To a solution of commercially available 3-bromo-benzylamine (938 mg) in dry dichloromethane (10 mL) was added added di-tert-butyl dicarbonate (1.10 g). The resulting clear solution was stirred at room temperature for 15 h and then concentrated to afford the title compound (1.42 g; 99%). [(M-isobutene)H]+=230/232, [MNa]+=308/310.
93% With triethylamine; In dichloromethane; at 10℃; for 4h; A solution of (3-bromophenyl)methanamine (1 g, 5.37 mmol) in dichloromethane (10 mL) at 10 C. was treated with triethylamine (1 .498 mL, 10.75 mmol) then fe/ -butyl dicarbonate (1 .498 mL, 6.45 mmol) and stirred at 10 C for 4 h. Water (10 mL) was added then the mixture extracted with DCM (2 x 10 mL), washed with brine, dried and evaporated and the residue purified by chromatography (silica gel, 10:1 hexanes/ethyl acetate) to afford the desired product (1 .5 g; 93%) as a colorless solid. NMR (500 MHz, CDCI3) delta ppm 7.43 (s, 1 H), 7.39 (d, J = 6.8 Hz, 1 H), 7.20 (d, J = 6.8 Hz, 2H), 4.89 (s, 1 H), 4.29 (d, J = 5.7 Hz, 2H), 1 .46 (s, 9H).
92% With triethylamine; In dichloromethane; at 20℃; for 5.3h;Cooling with ice; Example 104 Production of tert-Butly N-[(3-bromophenyl)methyl]carbamate. A methylene chloride (40 mL) solution of Boc2O(21.2 g, 97 mmol) was added dropwise to a methylene chloride (160 mL) solution of 3-bromobenzylamine (15.0 g, 81 mmol) and triethylamine (23 mL, 162 mmol) over 20 minutes, under ice-cooling, and the mixture was stirred at room temperature for 5 hours. The reaction mixture was washed with water, and an organic layer was then dried over anhydrous sodium sulfate. n-Hexane was added to the residue obtained by distilling off the solvent under a reduced pressure, and the precipitated solid was collected by filtration, to give the captioned compound (19.8 g, 92%). Mp 41-42C. 1H-NMR (DMSO-d6) delta: 1.39 (s, 9H), 4.12 (d, J=6.1 Hz, 2H), 7.23-7.28 (m, 2H), 7.40-7.42 (m, 3H).
80% With triethylamine; In dichloromethane; at 20℃; To a stirred solution of benzylamine derivative (1 equiv.) in dry DCM, triethylamine (1 .5 equiv.) and di-tert-butyl dicarbonate (1 -1 .2 equiv.) were added under azote atmosphere. The reaction mixture was stirred at room temperature until completion. Water was then added, the phases were separated and the aqueous phase was extracted once with DCM. The combined organic layers were washed with brine, dried over Na2S04, filtered and concentrated under vacuum. The crude mixture was then purified by flash column chromatography (0-10% MeOH in DCM) to provide the expected compound. The following compounds are examples illustrating this procedure:; tert-butyl bomophenyl)methyllcarbamate was prepared from 3- bromobenzylamine (2 g, 10.75 mmol). Yield: 2.47g (80%) of the title compound as a white powder
With sodium hydroxide; In tetrahydrofuran; at 20℃; for 0.5h; A mixture of 3-aminomethylbromobenzene (22.11 g, 99.5 mmol), di-tert-butyl dicarbonate (26.07 g, 119.45 mmol), sodium hydroxide (8.76 g, 219 mmol) in tetrahydrofuran (75 mL) and water (100 mL) were stirred at room temperature for 30 minutes. Extraction and work-up with methylene chloride and water, followed by drying gave tert-butyl (3-bromo-benzyl) carbamate (34.9 g)
Example 95 1-(3-Bromophenyl)-N-methylmethanamine To bromobenzylamine (0.890 g, 4 mmol) in THF (9 mL) was added NaOH (4.20 mL, 1 N, 4.20 mmol) and the solution was stirred at room temperature for 5 mins, when BOC2O (0.975 mL, 4.20 mmol) was added. This mixture was stirred for an additional 30 mins. The reaction mixture was diluted with EtOAc (20 mL). The organic layer was separated, washed with brine (5 mL), dried over Na2SO4, filtered and concentrated. Lithium aluminum hydride (12.00 mL, 12.00 mmol) was added to the above crude product and heated in a microwave at about 100 C. for about 1 h. The reaction mixture was diluted with Et2O (~50 mL) and quenched slowly with Na2SO4 (sat.). The organic layer was separated, dried over, filtered, and concentrated to afford the title compound (0.472 g, 59%). LC-MS m/z 200 (M+H)+.
Example 167 1-(3-Bromophenyl)-N-methylmethanamine To bromobenzylamine (0.890 g, 4 mmol) in THF (9 mL) was added NaOH (4.20 mL, 1 N, 4.20 mmol) and the mixture was stirred at room temperature for 5 min where upon Boc2O (0.975 mL, 4.20 mmol) was added and that mixture was stirred for an additional 30 min. The reaction mixture was diluted with EtOAc (20 mL). The organic layer was separated, washed with brine (5 mL), dried over Na2SO4, filtered and concentrated. LAH (12.00 mL, 12.00 mmol) was added to the above crude product and heated in a microwave at 100 C. for 1 h. The reaction was quenched and diluted with Et2O (~50 mL) and quenched slowly with Na2SO4 (sat.). The organic layer was separated, dried over Na2SO4, filtered, and concentrated to afford the title compound (0.472 g, 59%). LC-MS m/z 200 (M+H)+.
Example 95 l-(3-Bromophenyl)-lambda'-methylmethanamine To bromobenzylamine (0.890 g, 4 mmol) in THF (9 mL) was added NaOH (4.20 mL, 1 N, 4.20 mmol) and the solution was stirred at room temperature for 5 mins, when BOC2O (0.975 mL, 4.20 mmol) was added. This mixture was stirred for an additional 30 mins. The reaction mixture was diluted with EtOAc (20 mL). The organic layer was separated, washed with brine (5 mL), dried over Na2SOzI, filtered and concentrated. Lithium aluminum hydride (12.00 mL, 12.00 mmol) was added to the above crude product and heated in a microwave at about 100 0C for about 1 h. The reaction mixture was diluted with Et2O (-50 mL) and quenched slowly with Na2Stheta4 (sat.). The organic layer was separated, dried over, filtered, and concentrated to afford the title compound (0.472 g, 59%). LC-MS m/z 200 (M+H)+.
With triethylamine; In dichloromethane; at 0 - 20℃; General procedure: (c) A solution of Boc2O (1.29g, 5.91mmol) in CH2Cl2 (10ml) was added to a suspension of 4-bromobenzylamine (1.00g, 5.38mmol) and Et3N (0.60g, 5.91mmol) in CH2Cl2 (10ml) for 5min at 0C with a CaCl2 tube. The reaction mixture was stirred overnight at room temperature. Then, H2O (50ml) was added to the mixture, and the organic layer was separated. The aqueous layer was extracted with CHCl3 (50ml×3). The combined organic layer was washed with H2O (50ml×1) and then brine (50ml×1), dried over Na2SO4 (anhyd), filtered, and concentrated under reduced pressure to afford (4-bromobenzyl)carbamic acid tert-butyl ester (1.63g, quant. y.) as a colorless solid.
With sodium hydrogencarbonate; In tetrahydrofuran; at 20℃; Add m-bromobenzylamine (1.86 g, 10 mmol) to the round bottom flask, dissolve in 100 mL of THF, add sodium bicarbonate (1.68 g, 20 mmol), and add di-tert-butyl dicarbonate (2.4 g, 11 mmol) with stirring,Stir overnight at room temperature, spin off the solution, dissolve the EA, wash with saturated brine three times, dry the organic phase over anhydrous sodium sulfate, spin dry to obtain a white solid, and directly send to the next step

  • 2
  • [ 10269-01-9 ]
  • [ 171663-13-1 ]
YieldReaction ConditionsOperation in experiment
With tert-butyldicarbonate; N-ethyl-N,N-diisopropylamine; In dichloromethane; at 0 - 20℃; 26.25g of 3-Bromobenzylamine hydrochloride was suspended in 250 ml of dichloromethane, and the mixture was cooled to 0C. 33.5 g of N,N-diisopropylethylamine and 28.3 g of t-butyl dicarbonate were added. After stirring was continued at room temperature overnight, the reaction mixture was diluted with ethyl acetate. The solution was washed with water and saturated brine, dried over anhydrous magnesium sulfate, filtered, and the solvent was distilled off, to give 31.28 g of the title compound.1H-NMR (CDCl3) delta : 1.45 (s, 9H) 4.28 (d, J=6.0Hz, 2H) 4.87 (brs, 1H) 7. 20 (m, 2H) 7.38 (m, 1H) 7.43 (brs, 1H)
  • 3
  • [ 2815-95-4 ]
  • [ 10269-01-9 ]
  • 3-(benzo[d][1,3]dioxol-5-yl)-N-(3-bromo-benzyl)propionamide [ No CAS ]
YieldReaction ConditionsOperation in experiment
78% General procedure: A solution of 1,3-benzodioxole-5-propanoic acid (20mmol) in anhydrous DMF (30ml) was treated with PyBOP (22mmol) followed by DIEPA (60mmol). After stirring at room temperature for 20 min, the corresponding amine (20mmol) was added, and the solution was stirred at room temperature overnight. The reaction was diluted with dichloromethane (100 ml) and water (100 ml). The layers were separated and the organic layer was washed with water (3 x 25 ml). The combined aqueous washes were then back-extracted with dichloromethane (50 ml), The combined organic layers were washed with brine (50 ml) and dried over magnesium sulfate, filtered and finally evaporated in vacuo. The crude material was purified by column chromatography over silica gel(dichloromethane/methanol: 100/0 to 92/8) to give the title compound (2a-2f).
  • 4
  • [ 30982-08-2 ]
  • [ 10269-01-9 ]
  • C17H18BrNO4 [ No CAS ]
  • 5
  • [ 10269-01-9 ]
  • [ 889-31-6 ]
  • [ 762-42-5 ]
  • 1-(3-bromobenzyl)-4-hydroxy-5-oxo-2-phenyl-2,5-dihydro-1H-pyrrole-3-carboxylic acid methyl ester [ No CAS ]
  • [ 873-95-0 ]
YieldReaction ConditionsOperation in experiment
68% With tert.-butylhydroperoxide; copper diacetate; In water; at 30℃; for 12h; General procedure: A mixture of N-benzyl enaminoketone (1.0 mmol), di-alkylacetylenedicarboxylate (1.0 mmol), benzyl amine (1.0 mmol), Cu(OAc)2 (8 mol%) and TBHP (4.0 mmol, 0.56 mL of a 70% aqueous solution) in water (0.5 mL) was stirred at 30 C for 12 h under air. The reaction progress was monitored by TLC. After completion of the reaction, the solid was filtrated out and washed with hot ethyl acetate. Finally the solvent of the filtrate was removed under vacuum and the resulting crude product was purified by column chromatography over 60-120 mesh silica gel [ethyl acetate/petroleum ether (60-80 C)].
 

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