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[ CAS No. 1454-53-1 ] {[proInfo.proName]}

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Chemical Structure| 1454-53-1
Chemical Structure| 1454-53-1
Structure of 1454-53-1 * Storage: {[proInfo.prStorage]}

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Product Details of [ 1454-53-1 ]

CAS No. :1454-53-1 MDL No. :MFCD00012800
Formula : C15H20ClNO3 Boiling Point : -
Linear Structure Formula :- InChI Key :YPFMNHZRNXPYBG-UHFFFAOYSA-N
M.W : 297.78 Pubchem ID :102623
Synonyms :
Chemical Name :Ethyl 1-benzyl-4-oxopiperidine-3-carboxylate hydrochloride

Calculated chemistry of [ 1454-53-1 ]      Expand+

Physicochemical Properties

Num. heavy atoms : 20
Num. arom. heavy atoms : 6
Fraction Csp3 : 0.47
Num. rotatable bonds : 5
Num. H-bond acceptors : 4.0
Num. H-bond donors : 0.0
Molar Refractivity : 83.01
TPSA : 46.61 ?2

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) : -6.34 cm/s

Lipophilicity

Log Po/w (iLOGP) : 0.0
Log Po/w (XLOGP3) : 2.5
Log Po/w (WLOGP) : 1.91
Log Po/w (MLOGP) : 1.69
Log Po/w (SILICOS-IT) : 2.41
Consensus Log Po/w : 1.7

Druglikeness

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

Water Solubility

Log S (ESOL) : -3.15
Solubility : 0.209 mg/ml ; 0.000703 mol/l
Class : Soluble
Log S (Ali) : -3.12
Solubility : 0.224 mg/ml ; 0.000751 mol/l
Class : Soluble
Log S (SILICOS-IT) : -3.67
Solubility : 0.0638 mg/ml ; 0.000214 mol/l
Class : Soluble

Medicinal Chemistry

PAINS : 0.0 alert
Brenk : 1.0 alert
Leadlikeness : 0.0
Synthetic accessibility : 2.49

Safety of [ 1454-53-1 ]

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

Application In Synthesis of [ 1454-53-1 ]

* 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 [ 1454-53-1 ]

[ 1454-53-1 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 3473-63-0 ]
  • [ 1454-53-1 ]
  • [ 109229-22-3 ]
YieldReaction ConditionsOperation in experiment
61.4% 6-Benzyl-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidin-4(3H)-one A mixture of ethyl 1-benzyl-4-oxopiperidine-3-carboxylate hydrochloride (50.0 g, 0.168 mol), formamidine acetate (16.2 g, 0.201 mol), 4.37 M of sodium methoxide in methanol (190 mL) and methanol (200 mL, 5 mol) was heated to 85 C. for 16 hour in a 350 ml sealed reaction vessel. The mixture was allowed to cool and reduced in vacuo. The residue was dissolved in 1N NaOH (150 ml) and poured over ice. Glacial acetic acid was added to the mixture until the pH of the mixture was 7 and a tan solid precipitated out. the solid was filtered, washed with water and cold ether, and dried on high vacuum to yield the title compound as a tan solid. (26.2 g, 61.4%). MS: M+H=242.2. 1H NMR (DMSO-d6): delta 2.29 (t, 5.8 Hz, 2H); 2.61 (t, 5.8 Hz, 2H); 3.26 (s, 2H); 3.64 (s, 2H); 7.21-7.36 (m, 6H); 7.96 (s, 1H).
61.4% Intermediate 16-Benzyl-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidin-4(3H)-one A mixture of ethyl 1-benzyl-4-oxopiperidine-3-carboxylate hydrochloride (50.0 g, 0.168 mol), formamidine acetate (16.2 g, 0.201 mol), 4.37 M of sodium methoxide in methanol (190 mL) and methanol (200 mL) was heated at 85 C. for 16 hour in a 350 mL sealed reaction vessel. The mixture was allowed to cool and concentrated in vacuo. The residue was dissolved in 1N NaOH (150 mL) and poured over ice. Glacial acetic acid was added to the mixture until the pH of the mixture was 7 and a tan solid precipitated out. The solid was filtered, washed with water and cold ether, and dried on high vacuum to yield the title compound as a tan solid (26.2 g, 61.4%).LC-MS: 242.2 [M+1]+; 1H NMR (400 MHz, DMSO-d6): delta 2.29 (t, 2H, J=5.8 Hz), 2.61 (t, 2H, J=5.8 Hz), 3.26 (s, 2H), 3.64 (s, 2H), 7.21-7.36 (m, 6H), 7.96 (s, 1H).
61.4% INTERMEDIATE 1 6-Benzyl-5,6,7,8-tetrahydropyrido [4,3-d] pyrimidin-4(3H)-one[00273] A mixture of ethyl l-benzyl-4-oxopiperidine-3-carboxylate hydrochloride (50.0 g,0.168 mol), formamidine acetate (16.2 g, 0.201 mol), 4.37 M of sodium methoxide in methanol (190 mL) and methanol (200 mL) was heated at 85 0C for 16 hour in a 350 mL sealed reaction vessel. The mixture was allowed to cool and concentrated in vacuo. The residue was dissolved in IN NaOH (150 mL) and poured over ice. Glacial acetic acid was added to the mixture until the pH of the mixture was 7 and a tan solid precipitated out. The solid was filtered, washed with water and cold ether, and dried on high vacuum to yield the title compound as a tan solid (26.2 g, 61.4 %).MS: 242.2 [M+l]+; 1H NMR (400 MHz, DMSO-d6): 2.29 (t, 2H, J = 5.8 Hz), 2.61 (t, 2H, J = 5.8 Hz), 3.26 (s, 2H), 3.64 (s, 2H), 7.21-7.36 (m, 6H), 7.96 (s, IH).
55% With sodium methylate; In methanol; at 70℃; for 18.0h; To a solution of ethyl l-benzyl-4-oxopiperidine-3-carboxylate hydrochloride (1.0 g, 3.4 mmol) and formamidine acetate (0.420 g, 4.03 mmol) in MeOH (6.7 mL) was added NaOMe in MeOH (4.6 ml, 20 mmol) and the resulting suspension was stirred at 70 C for 18 h. The mixture was cooled to RT and concentrated under reduced pressure. The residue was partitioned between water (1 mL) and 3: 1 CHCh:iPrOH (3 mL). The layers were separated and the organic layer was washed with brine (1 mL), dried over Na2S04 and concentrated under reduced pressure to afford the title compound (444 mg, 55%) as a light yellow solid.MS (ES+) C14H15N3O requires: 241, found: 242 [M+H]+.
With sodium alcoholate; In ethanol; for 2.0h;Reflux; Step A:l-Benzyl-3-ethoxycarbonyl-4-piperidone hydrochloride (12.89 g, 43.3 mmol) was suspended in a sodium methoxide solution in methanol (25 % wt/wt, 50 mL, 216. 2 mmol) and formamidine acetate (5.4 g, 51.9 mmol) was added to the mixture. The reaction mixture was refluxed until all of the starting material was consumed (2 h). The methanol was removed under reduced pressure, and the resulting white solid was dissolved in a 3/1 mixture of chloroform / isopropanol. The mixture was washed with water and brine, dried over Na2S04, filtered and evaporated to give the desired product as a white solid (9.4 g). MS (ESEI): 242.1 [M+l]+
With sodium alcoholate; In water; for 2.0h;Reflux; l-Ben2yl-3-ethoxycarbonyl-4-piperidone hydrochloride (12.89 g, 43.3 mmol) was suspended in a sodium methoxide solution in methanol (25 % wt wt, 50 mL, 216. 2 mmol) and formamidine acetate (5.4 g, 51.9 mmol) was added to the mixture. The reaction mixture was refluxed until all of the starting material was consumed (2 h). The methanol was removed under reduced pressure, and the resulting white solid was dissolved in a 3/1 mixture of chloroform / isopropanol. The mixture was washed with water and brine, dried over Na2SC>4, filtered and evaporated to give the desired product as a white solid (9.4 g). MS (ESEI): 242.1 [M+l]?

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