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[ CAS No. 55368-42-8 ] {[proInfo.proName]}

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Chemical Structure| 55368-42-8
Chemical Structure| 55368-42-8
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Product Details of [ 55368-42-8 ]

CAS No. :55368-42-8 MDL No. :MFCD00464967
Formula : C7H8BrClN2 Boiling Point : -
Linear Structure Formula :- InChI Key :IMTHEBSPHHMJOJ-UHFFFAOYSA-N
M.W : 235.51 Pubchem ID :12207714
Synonyms :

Calculated chemistry of [ 55368-42-8 ]

Physicochemical Properties

Num. heavy atoms : 11
Num. arom. heavy atoms : 6
Fraction Csp3 : 0.0
Num. rotatable bonds : 1
Num. H-bond acceptors : 1.0
Num. H-bond donors : 2.0
Molar Refractivity : 52.37
TPSA : 49.87 Ų

Pharmacokinetics

GI absorption : High
BBB permeant : Yes
P-gp substrate : No
CYP1A2 inhibitor : No
CYP2C19 inhibitor : No
CYP2C9 inhibitor : No
CYP2D6 inhibitor : No
CYP3A4 inhibitor : No
Log Kp (skin permeation) : -6.54 cm/s

Lipophilicity

Log Po/w (iLOGP) : 0.0
Log Po/w (XLOGP3) : 1.68
Log Po/w (WLOGP) : 2.54
Log Po/w (MLOGP) : 2.67
Log Po/w (SILICOS-IT) : 1.78
Consensus Log Po/w : 1.73

Druglikeness

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

Water Solubility

Log S (ESOL) : -2.7
Solubility : 0.474 mg/ml ; 0.00201 mol/l
Class : Soluble
Log S (Ali) : -2.34
Solubility : 1.07 mg/ml ; 0.00455 mol/l
Class : Soluble
Log S (SILICOS-IT) : -2.99
Solubility : 0.242 mg/ml ; 0.00103 mol/l
Class : Soluble

Medicinal Chemistry

PAINS : 0.0 alert
Brenk : 2.0 alert
Leadlikeness : 1.0
Synthetic accessibility : 1.39

Safety of [ 55368-42-8 ]

Signal Word:Warning Class:N/A
Precautionary Statements:P261-P305+P351+P338 UN#:N/A
Hazard Statements:H302-H315-H319-H335 Packing Group:N/A
GHS Pictogram:

Application In Synthesis of [ 55368-42-8 ]

* 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 [ 55368-42-8 ]
  • Downstream synthetic route of [ 55368-42-8 ]

[ 55368-42-8 ] Synthesis Path-Upstream   1~5

  • 1
  • [ 55368-42-8 ]
  • [ 22265-36-7 ]
YieldReaction ConditionsOperation in experiment
472 mg With sodium hydroxide In water 4-Bromobenzamidine hydrochloride (6a, 707 mg) was treated with 5 M aqueous sodium hydroxide (8 mL), and extracted with chloroform. The organic layer was dried, filtered and evaporated to give colorless solid (472 mg). To the solution of the obtained solid in ethanol (5 mL) was added ethyl propiolate (0.27 mL) and the mixture was warmed up to 60 °C, then potassium hydroxide (175 mg) in ethanol (4 mL) was added dropwise over 15 min. The mixture was warmed up to 80 °C and stirred for 6 h, then cooled down to room temperature. To the mixture was added 1 M hydrochloric acid (10 mL), and the precipitate was collected by filtration, washed with water, dried in vacuo at 50 °C overnight to give 7g (267 mg, 35percent) as a pale brown solid: 1H NMR (DMSO-d6) δ 6.25-6.50 (1H, m), 7.74 (2H, d, J = 8.3 Hz), 7.95-8.25 (3H, m), 12.50-13.20 (1H, br); FAB-MS m/z 251, 253 [(M+H)+].
9.58 g With sodium hydroxide In water at 20℃; for 3 h; Compound 3 (13.25 g) was suspended in water (40 mL), and a 5N aqueous sodium hydroxide solution (40 mL)was added, and the mixture was stirred at room temperature for 3 hours. The deposit was collected by filtration andwashed with water. The obtained white solid was dissolved in acetone, activated charcoal was added, and the mixturewas stirred for 10 minutes, and subsequently, filtered through Celite. The filtrate was concentrated under reducedpressure, and the obtained powder was washed with diethyl ether, collected by filtration and dried to obtain Compound4 (9.58 g) as a white powder.
Reference: [1] Bioorganic and Medicinal Chemistry, 2012, vol. 20, # 7, p. 2369 - 2375
[2] Patent: EP2862856, 2015, A1, . Location in patent: Paragraph 0651; 0652
[3] Tetrahedron Letters, 2018, vol. 59, # 4, p. 361 - 364
  • 2
  • [ 623-00-7 ]
  • [ 55368-42-8 ]
YieldReaction ConditionsOperation in experiment
97%
Stage #1: With hydrogenchloride In ethanol; chloroform at -65 - 20℃;
Stage #2: With ammonium carbonate In ethanol at 20℃; for 20 h;
Hydrogen chloride gas was passed through a solution of 4-bromobenzonitrile (18.2 g) in chloroform (300 mL) and ethanol (100 mL) at -65 °C for 35 min. Then the solution was warmed up to room temperature, and stirred at room temperature overnight. The solution was evaporated in vacuo, and the resulting residue was dissolved in ethanol (400 mL). To the solution was added ammonium carbonate (48.0 g), and the reaction mixture was stirred at room temperature for 20 h. To the mixture was added water (300 mL), and ethanol was removed by concentration in vacuo. The resulting precipitate was collected by filtration, and washed with water, dried in vacuo to give 6a (22.9 g, 97percent) as a white solid: 1H NMR (DMSO-d6) δ 2.55-4.60 (2H, br), 6.30-8.90 (6H, m); FAB-MS m/z 199, 201 [(M+H)+].
85%
Stage #1: With sodium hexamethyldisilazane In tetrahydrofuran at 20℃; for 1 h;
Stage #2: With hydrogenchloride In water
4.2.18
4-Bromobenzimidamide hydrochloride (24)
Beige solid; yield: 85percent. 1H NMR (400 MHz, d6-DMSO): δ 9.58 (br s, 2H), 9.42 (br s, 2H), 7.85 (d, J = 8.0 Hz, 2H), 7.81 (d, J = 8.0 Hz, 2H).
13C NMR (101 MHz, d6-DMSO): δ 165.4 (C), 132.5 (2CH), 130.7 (2CH), 128.1 (C), 127.7 (C). IR (neat, ν/cm-1): 3322 (br s), 3135 9br s), 1669 (s), 1593 (s), 1480 (m), 1428 (m), 1071 (m), 1009 (m), 841 (m), 776 (m), 695 (s), 623 (s). HRMS (ES-TOF+) calculated for C7H8N2Br 198.9871, found 198.9873.
Reference: [1] Bioorganic and Medicinal Chemistry, 2012, vol. 20, # 7, p. 2369 - 2375
[2] Bioorganic and Medicinal Chemistry, 2017, vol. 25, # 23, p. 6218 - 6223
[3] Magnetic Resonance in Chemistry, 1987, vol. 25, p. 923 - 927
[4] Physical Chemistry Chemical Physics, 2004, vol. 6, # 4, p. 756 - 765
[5] Tetrahedron Letters, 2018, vol. 59, # 4, p. 361 - 364
  • 3
  • [ 19227-14-6 ]
  • [ 55368-42-8 ]
Reference: [1] Synthetic Communications, 2011, vol. 41, # 15, p. 2195 - 2199
  • 4
  • [ 64-17-5 ]
  • [ 623-00-7 ]
  • [ 55368-42-8 ]
Reference: [1] Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals, 1995, vol. 260, # pt 1, p. 139 - 156
  • 5
  • [ 64-17-5 ]
  • [ 55368-42-8 ]
Reference: [1] Patent: US5326497, 1994, A,
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