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[ CAS No. 156001-53-5 ] {[proInfo.proName]}

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Type HazMat fee for 500 gram (Estimated)
Excepted Quantity USD 0.00
Limited Quantity USD 15-60
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Inaccessible (Haz class 6.1), International USD 150+
Accessible (Haz class 3, 4, 5 or 8), Domestic USD 100+
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Chemical Structure| 156001-53-5
Chemical Structure| 156001-53-5
Structure of 156001-53-5 * Storage: {[proInfo.prStorage]}
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Product Details of [ 156001-53-5 ]

CAS No. :156001-53-5 MDL No. :MFCD09261033
Formula : C8H5Br2N Boiling Point : -
Linear Structure Formula :- InChI Key :RPQAJIVYLBTILC-UHFFFAOYSA-N
M.W : 274.94 Pubchem ID :44203140
Synonyms :

Calculated chemistry of [ 156001-53-5 ]

Physicochemical Properties

Num. heavy atoms : 11
Num. arom. heavy atoms : 6
Fraction Csp3 : 0.12
Num. rotatable bonds : 1
Num. H-bond acceptors : 1.0
Num. H-bond donors : 0.0
Molar Refractivity : 51.69
TPSA : 23.79 Ų

Pharmacokinetics

GI absorption : High
BBB permeant : Yes
P-gp substrate : No
CYP1A2 inhibitor : Yes
CYP2C19 inhibitor : No
CYP2C9 inhibitor : No
CYP2D6 inhibitor : No
CYP3A4 inhibitor : No
Log Kp (skin permeation) : -5.93 cm/s

Lipophilicity

Log Po/w (iLOGP) : 2.3
Log Po/w (XLOGP3) : 2.89
Log Po/w (WLOGP) : 3.06
Log Po/w (MLOGP) : 2.96
Log Po/w (SILICOS-IT) : 3.48
Consensus Log Po/w : 2.94

Druglikeness

Lipinski : 0.0
Ghose : None
Veber : 0.0
Egan : 0.0
Muegge : 1.0
Bioavailability Score : 0.55

Water Solubility

Log S (ESOL) : -3.7
Solubility : 0.0545 mg/ml ; 0.000198 mol/l
Class : Soluble
Log S (Ali) : -3.05
Solubility : 0.245 mg/ml ; 0.000892 mol/l
Class : Soluble
Log S (SILICOS-IT) : -4.59
Solubility : 0.00705 mg/ml ; 0.0000256 mol/l
Class : Moderately soluble

Medicinal Chemistry

PAINS : 0.0 alert
Brenk : 1.0 alert
Leadlikeness : 0.0
Synthetic accessibility : 2.3

Safety of [ 156001-53-5 ]

Signal Word:Danger Class:8
Precautionary Statements:P501-P260-P270-P271-P264-P280-P362+P364-P303+P361+P353-P301+P330+P331-P301+P312+P330-P304+P340+P310-P305+P351+P338+P310-P405 UN#:3261
Hazard Statements:H302+H312+H332-H314 Packing Group:
GHS Pictogram:

Application In Synthesis of [ 156001-53-5 ]

* 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 [ 156001-53-5 ]
  • Downstream synthetic route of [ 156001-53-5 ]

[ 156001-53-5 ] Synthesis Path-Upstream   1~5

  • 1
  • [ 156001-53-5 ]
  • [ 523977-64-2 ]
YieldReaction ConditionsOperation in experiment
52% With trimethylamine-N-oxide In dichloromethane; dimethyl sulfoxide at 5 - 22℃; for 6 h; [0467] To a stirred solution of trimethylamine N-oxide dihydrate (16.98 g, 152.8 mmol) in DM50 (60 mE) was added a solution of 5-bromo-2-(bromomethyl)benzonitrile (From step 1, 10.5 g, 38.19 mmol) in DCM (30 mE) slowly at 5° C. The resulting mixture was warmed up to 22° C. and stirred for further 6 h. The reaction was diluted with DCM (70 mE), washed with brine (20 mEx3), dried over anhydrous Na2SO4, filtered and concentrated in vacuo. The residue was purified by column chromatography on silica gel (0-16percent EtOAc in petroleum ether) to afford the title compound (4.2 g, yield 52percent) as a white solid. ‘H NMR (400 MHz, CDC13) ö 10.31 (s, 1H), 7.98 (s, 1H), 7.92 (s, 2H).
Reference: [1] Organic Letters, 2003, vol. 5, # 7, p. 1131 - 1134
[2] Journal of Materials Chemistry, 2011, vol. 21, # 26, p. 9523 - 9531
[3] Patent: US2017/362228, 2017, A1, . Location in patent: Paragraph 0466; 0467
  • 2
  • [ 156001-51-3 ]
  • [ 156001-53-5 ]
YieldReaction ConditionsOperation in experiment
70% With N-Bromosuccinimide; dibenzoyl peroxide In tetrachloromethane at 80℃; for 8 h; Inert atmosphere [0465] A mixture of 5-bromo-2-methylbenzonitrile (10.0 g, 51.01 mmol), N135 (9.99 g, 56.11 mmol) and benzoylperoxide (0.62 g, 2.6 mmol) in CC14 (100 mE) was stirred at 80° C. for 8 h under N2 atmosphere. The mixture was filtered and the filtrate was concentrated to dryness. The residue was purified by column chromatography on silica gel (0.—Spercent EtOAc in petroleum ether) to afford the title compound (9.8 g, yield 70percent) as a light yellow oil. ‘H NMR (400 MHz, CDC13) ö 7.80 (d, J=2.0 Hz, 1H), 7.72 (dd, J=8.4, 2.0 Hz, 1H), 7.43 (d, J=8.4 Hz, 1H), 4.58 (s, 2H).
43% at 60℃; for 16 h; Inert atmosphere 5-bromo-2-(bromomethyl)benzonitrile
To a solution of 5-bromo-2-methylbenzonitrile (10.0 g, 51.0 mmol) in chloroform (150 mL) was added benzoperoxide (1.3 g, 5.07 mmol) and NBS (9.0 g, 50.0 mmol) at room temperature.
The resulting solution was stirred for 16 h at 60° C., cooled to room temperature, and treated with water (100 mL).
The resulting solution was extracted with ethyl acetate (300 mL*3).
The organic phases were combined, washed with brine and dried over sodium sulfate.
The solvent was removed under reduced pressure and the residue was purified by flash chromatography eluting with ethyl acetate in hexane (0percent to 5percent gradient) to yield 5-bromo-2-(bromomethyl)benzonitrile as purple solid (6.0 g, 43percent).
38% With N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile) In tetrachloromethane for 1.25 h; Heating / reflux Step 4: 5-Bromo-2-bromomethvlbenzonitrile: A mixture of 5-bromo-2-methylbenzonitrile (5.0 g, 25.5 mmol), N-bromosuccinimide (4.54 g, 25.5 mmol), 2',2'-azobis (2- methylpropionitrile) (0.05 g) and carbon tetrachloride (25 mL) is heated at reflux for 75 min. After cooling to room temperature, the solids are removed by filtration. The filtrate is concentrated and the residue purified by chromatography eluting with cyclohexane-20percent ethyl acetate. Product containing fractions are combined and concentrated to afford 5-bromo-2- bromomethylbenzonitrile (2.69 g, 38percent). LC/MS: MS showed no parent molecular ion peak; RT 3.52 min.
Reference: [1] Organic Letters, 2003, vol. 5, # 7, p. 1131 - 1134
[2] Journal of Materials Chemistry, 2011, vol. 21, # 26, p. 9523 - 9531
[3] Patent: US2017/362228, 2017, A1, . Location in patent: Paragraph 0464; 0465
[4] ACS Medicinal Chemistry Letters, 2018, vol. 9, # 2, p. 120 - 124
[5] Patent: US2016/376283, 2016, A1, . Location in patent: Paragraph 0341; 0342
[6] Patent: WO2005/97750, 2005, A1, . Location in patent: Page/Page column 69-70
[7] Patent: WO2014/151761, 2014, A1, . Location in patent: Page/Page column 106
[8] Patent: WO2015/89327, 2015, A1, . Location in patent: Paragraph 0206
[9] Patent: US9586928, 2017, B2, . Location in patent: Page/Page column 163; 164
  • 3
  • [ 939-83-3 ]
  • [ 156001-53-5 ]
Reference: [1] Organic Letters, 2003, vol. 5, # 7, p. 1131 - 1134
[2] Journal of Materials Chemistry, 2011, vol. 21, # 26, p. 9523 - 9531
  • 4
  • [ 50670-64-9 ]
  • [ 156001-53-5 ]
Reference: [1] Organic Letters, 2003, vol. 5, # 7, p. 1131 - 1134
[2] Journal of Materials Chemistry, 2011, vol. 21, # 26, p. 9523 - 9531
  • 5
  • [ 529-19-1 ]
  • [ 156001-53-5 ]
Reference: [1] Journal of Materials Chemistry, 2011, vol. 21, # 26, p. 9523 - 9531
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