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[ CAS No. 2498-46-6 ]

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Chemical Structure| 2498-46-6
Chemical Structure| 2498-46-6
Structure of 2498-46-6 * Storage: {[proInfo.prStorage]}
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Product Details of [ 2498-46-6 ]

CAS No. :2498-46-6 MDL No. :MFCD06761717
Formula : C8H11ClN2 Boiling Point : -
Linear Structure Formula :- InChI Key :UBSBLGBWNYUPDW-UHFFFAOYSA-N
M.W :170.64 g/mol Pubchem ID :12415514
Synonyms :

Calculated chemistry of [ 2498-46-6 ]

Physicochemical Properties

Num. heavy atoms : 11
Num. arom. heavy atoms : 6
Fraction Csp3 : 0.12
Num. rotatable bonds : 2
Num. H-bond acceptors : 1.0
Num. H-bond donors : 2.0
Molar Refractivity : 49.48
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) : -6.39 cm/s

Lipophilicity

Log Po/w (iLOGP) : 0.0
Log Po/w (XLOGP3) : 1.34
Log Po/w (WLOGP) : 1.97
Log Po/w (MLOGP) : 1.98
Log Po/w (SILICOS-IT) : 1.44
Consensus Log Po/w : 1.35

Druglikeness

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

Water Solubility

Log S (ESOL) : -2.01
Solubility : 1.65 mg/ml ; 0.00969 mol/l
Class : Soluble
Log S (Ali) : -1.99
Solubility : 1.75 mg/ml ; 0.0103 mol/l
Class : Very soluble
Log S (SILICOS-IT) : -2.5
Solubility : 0.536 mg/ml ; 0.00314 mol/l
Class : Soluble

Medicinal Chemistry

PAINS : 0.0 alert
Brenk : 2.0 alert
Leadlikeness : 1.0
Synthetic accessibility : 1.17

Safety of [ 2498-46-6 ]

Signal Word:Warning Class:N/A
Precautionary Statements:P261-P280-P305+P351+P338 UN#:N/A
Hazard Statements:H302-H315-H319-H332-H335 Packing Group:N/A
GHS Pictogram:

Application In Synthesis of [ 2498-46-6 ]

* 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 [ 2498-46-6 ]
  • Downstream synthetic route of [ 2498-46-6 ]

[ 2498-46-6 ] Synthesis Path-Upstream   1~2

  • 1
  • [ 140-29-4 ]
  • [ 2498-46-6 ]
YieldReaction ConditionsOperation in experiment
72%
Stage #1: With trimethylaluminum; ammonium chloride In toluene at 0 - 80℃; Inert atmosphere
Stage #2: With hydrogenchloride In methanol; diethyl ether; chloroform; toluene at 20℃; for 16 h;
Ammonium chloride (2.9 g, 54 mmol) was suspended in 20 mL of anhydrous toluene, stirred under argon, and cooled to 0° C. To this suspension was added 25 ml (50 mmol) of a 2M solution of trimethylaluminum in toluene. The reaction was allowed to warm to room temperature and stirring was continued until the evolution of methane ceased (1 hour). Then, 3.46 mL (30 mmol) of benzyl cyanide in 10 mL of anhydrous toluene was added and the reaction was heated to 80° C. for 18 hours. The reaction was then cooled to room temperature and slowly poured into a slurry of 15 g of silica gel in 50 mL of chloroform and stirred for 5 minutes. The silica was filtered and washed with methanol. The filtrate and washings were combined and reduced to a volume of 15 mL and refiltered. Then, 18 mL (54 mmol) of a 3N solution of methanolic HCl was added to the filtrate followed by 400 mL of diethyl ether. After 16 hours of stirring at room temperature, a white precipitate formed was subsequently filtered. This crude solid was then added to 150 mL of a 4:1 mixture of isopropanol-acetone and stirred for an additional 16 hours at room temperature. Undissolved ammonium chloride was then removed by filtration and the filtrate reduced to 15 mL. After the addition of 300 mL of diethyl ether the mixture was stirred for 1 hour. The white precipitate was then filtered and dried to yield 3.7 g (72percent) of the objective compound as the hydrochloride salt. MS: (ESI, Pos) m/z 157.9 (M+23) 1H NMR (500 MHz, DMSO-d6): δ (ppm) 9.06 (br.d, 3H), 7.49 (d, 2H), 7.36 (t, 2H), 7.31 (t, 1H), 3.74 (s, 2H).
72%
Stage #1: With trimethylaluminum; ammonium chloride In toluene at 80℃; for 18 h; Inert atmosphere
Stage #2: With hydrogenchloride In methanol; diethyl ether; toluene at 20℃; for 16 h; Inert atmosphere
Example 3a 2-Phenylacetamidine (3a)-Ammonium chloride (2.9 g, 54 mmol) was suspended in 20 mL of anhydrous toluene, stirred under argon, and cooled to 0° C. To this suspension was added 25 ml (50 mmol) of a 2M solution of trimethylaluminum in toluene. The reaction was allowed to warm to room temperature and stirring continued until the evolution of methane ceased (1 hour). Then, 3.46 mL (30 mmol) of benzyl cyanide in 10 mL of anhydrous toluene was added and the reaction was heated to 80° C. for 18 hours. The reaction was then cooled to room temperature and slowly poured into a slurry of 15 g of silica gel in 50 mL of chloroform and stirred for 5 minutes. The silica was filtered and washed with methanol. The filtrate and washings were combined and reduced to a volume of 15 mL and refiltered. Then, 18 mL (54 mmol) of a 3N solution of methanolic HCl was added to the filtrate followed by 400 mL of diethyl ether. After 16 hours of stirring at room temperature, a white precipitate formed and was subsequently filtered. This crude solid was then added to 150 mL of a 4:1 mixture of isopropanol-acetone and stirred for an additional 16 hours at room temperature. Undissolved ammonium chloride was then removed by filtration and the filtrate reduced to 15 mL, and 300 mL of diethyl ether was added and the mixture stirred for 1 hour. The white precipitate was then filtered and dried to yield 3.7 g (72percent) of the objective compound as the hydrochloride salt. MS: (ESI, Pos) m/z 157.9 (M+23) 1H NMR (500 MHz, DMSO-d6): δ (ppm) 9.06 (br.d, 3H), 7.49 (d, 2H), 7.36 (t, 2H), 7.31 (t, 1H), 3.74 (s, 2H).
Reference: [1] Patent: US2009/286815, 2009, A1, . Location in patent: Page/Page column 6-7
[2] Patent: US2009/286810, 2009, A1, . Location in patent: Page/Page column 6
[3] Tetrahedron, 1984, vol. 40, # 5, p. 887 - 892
[4] Patent: US2008/146625, 2008, A1, . Location in patent: Page/Page column 18
  • 2
  • [ 5442-34-2 ]
  • [ 2498-46-6 ]
Reference: [1] Tetrahedron, 1984, vol. 40, # 5, p. 887 - 892
[2] Chemical Communications, 2010, vol. 46, # 12, p. 2097 - 2099
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