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[ CAS No. 1344701-44-5 ] {[proInfo.proName]}

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Chemical Structure| 1344701-44-5
Chemical Structure| 1344701-44-5
Structure of 1344701-44-5 * Storage: {[proInfo.prStorage]}
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Product Details of [ 1344701-44-5 ]

CAS No. :1344701-44-5 MDL No. :MFCD20441063
Formula : C9H9NO2 Boiling Point : -
Linear Structure Formula :- InChI Key :NSDPMSCJMHMIKP-UHFFFAOYSA-N
M.W : 163.17 Pubchem ID :70310067
Synonyms :

Calculated chemistry of [ 1344701-44-5 ]

Physicochemical Properties

Num. heavy atoms : 12
Num. arom. heavy atoms : 6
Fraction Csp3 : 0.22
Num. rotatable bonds : 0
Num. H-bond acceptors : 2.0
Num. H-bond donors : 1.0
Molar Refractivity : 48.32
TPSA : 40.54 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) : -6.87 cm/s

Lipophilicity

Log Po/w (iLOGP) : 1.49
Log Po/w (XLOGP3) : 0.6
Log Po/w (WLOGP) : 0.45
Log Po/w (MLOGP) : 0.84
Log Po/w (SILICOS-IT) : 1.23
Consensus Log Po/w : 0.92

Druglikeness

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

Water Solubility

Log S (ESOL) : -1.6
Solubility : 4.1 mg/ml ; 0.0251 mol/l
Class : Very soluble
Log S (Ali) : -1.03
Solubility : 15.4 mg/ml ; 0.0944 mol/l
Class : Very soluble
Log S (SILICOS-IT) : -1.98
Solubility : 1.72 mg/ml ; 0.0106 mol/l
Class : Soluble

Medicinal Chemistry

PAINS : 0.0 alert
Brenk : 0.0 alert
Leadlikeness : 1.0
Synthetic accessibility : 1.26

Safety of [ 1344701-44-5 ]

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 [ 1344701-44-5 ]

* 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.

  • Downstream synthetic route of [ 1344701-44-5 ]

[ 1344701-44-5 ] Synthesis Path-Downstream   1~11

YieldReaction ConditionsOperation in experiment
With dihydrogen peroxide In methanol at 25℃; for 16h; Step 2: Methyl 2-(5-hydroxy-1H-indazol-1-yl)acetate General procedure: To a solution of methyl methyl 2-(1-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazol-3-yl)acetate (200 mg, 0.606 mmol) in MeOH (4 mL) was added H2O2 (35%, 0.265 mL, 3.03 mmol). The mixture was stirred at 25° C. for 16 h. The reaction was quenched with aqueous, saturated Na2SO3 (10 mL) and then partitioned with water (10 mL) and EtOAc (20 mL×3). The combined organic phases were washed brine (5 mL), dried over anhydrous Na2SO4, filtered and concentrated. The residue was purified by reverse phase HPLC (ACN/water with 0.1% TFA modifier) to afford the title compound. MS: 221 (M+1).
With water; dihydrogen peroxide; sodium hydroxide In tetrahydrofuran at 0℃; for 0.5h; Step 2: l-(Cvclopropylmethyl)-lH-pyrazol-4-ol General procedure: To a solution of l-(cyclopropylmethyl)-4-(4,4,5,5-tetramethyl-l,3,2- dioxaborolan-2-yl)-lH-pyrazole (500 mg, 2.02 mmol) and NaOH (161 mg, 4.03 mmol) in THF (5 mL) at 0 °C was added hydrogen peroxide (30%, 457 mg, 4.03 mmol). After 30 min at 0 °C, the mixture was diluted with aqueous NaHSC^ (saturated, 20 mL) and extracted with EtOAc (70 mL x 3). The combined organic layers were washed with water (40 mL) and brine (50 mL), dried over anhydrous sodium sulfate, filtered and concentrated. The residue was purified by silica gel chromatography (100:0-5: 1 petroleum ether/ EtOAc) to give the title compound. XH NMR (400 MHz, CDC13): δ 6.89 (1 H, s), 6.87 (1 H, s), 3.55 (2 H, d, J = 6.8 Hz), 2.15 (1 H, br s), 0.30 (2 H, d, J = 7.2 Hz), 0.21 (2 H, d, J= 5.2 Hz).
  • 2
  • [ 5292-43-3 ]
  • [ 1344701-44-5 ]
  • [ 2319646-64-3 ]
YieldReaction ConditionsOperation in experiment
100% With potassium carbonate In N,N-dimethyl-formamide at 70℃; for 2.5h; 596.596A Example 596A: tert-butyl 2-((2-methyl-3-oxoisoindolin-5-yl)oxy)acetate To a solution of 6-hydroxy-2-methylisoindolin-l-one (0.50 g, 3.1 mmol) in N,N- dimethylformamide (3.6 mL) at ambient temperature was added potassium carbonate (0.847 g, 6.13 mmol) and teri-butyl bromoacetate (0.52 mL, 3.5 mmol). This mixture was warmed to 70 °C and was allowed to stir for 2.5 hours. Then the mixture was allowed to cool to ambient temperature and was diluted with ethyl acetate (50 mL) and water (50 mL). The layers were separated, and the aqueous layer was extracted with ethyl acetate (3 x 15 mL). The combined organic layers were dried over anhydrous Na2SO/t, filtered, and concentrated under reduced pressure to give the title compound (0.85 g, 3.1 mmol, quantitative yield), which was carried forward without purification. JH NMR (501 MHz, DMSO- 7.14 (dd, J = 8.3, 2.5 Hz, 1H), 7.10 (d, J = 2.4 Hz, 1H), 4.74 (s, 2H), 4.37 (s, 2H), 3.06 (s, 3H), 1.42 (s, 9H); MS (ESI+) m/z 278 (M+H)+.
  • 3
  • [ 1344701-44-5 ]
  • [ 2319646-65-4 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 2 steps 1: potassium carbonate / N,N-dimethyl-formamide / 2.5 h / 70 °C 2: trifluoroacetic acid / dichloromethane / 1 h / 20 °C
  • 4
  • [ 1344701-44-5 ]
  • [ 2319646-66-5 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 3 steps 1: potassium carbonate / N,N-dimethyl-formamide / 2.5 h / 70 °C 2: trifluoroacetic acid / dichloromethane / 1 h / 20 °C 3: triethylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate / N,N-dimethyl-formamide / 20 °C
  • 5
  • [ 1344701-44-5 ]
  • [ 2319646-67-6 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 4 steps 1: potassium carbonate / N,N-dimethyl-formamide / 2.5 h / 70 °C 2: trifluoroacetic acid / dichloromethane / 1 h / 20 °C 3: triethylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate / N,N-dimethyl-formamide / 20 °C 4: trifluoroacetic acid / dichloromethane / 20 °C
  • 6
  • [ 1344701-44-5 ]
  • [ 2319643-88-2 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 5 steps 1: potassium carbonate / N,N-dimethyl-formamide / 2.5 h / 70 °C 2: trifluoroacetic acid / dichloromethane / 1 h / 20 °C 3: triethylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate / N,N-dimethyl-formamide / 20 °C 4: trifluoroacetic acid / dichloromethane / 20 °C 5: triethylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate / N,N-dimethyl-formamide / 20 °C
  • 7
  • [ 1254319-51-1 ]
  • [ 1344701-44-5 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 2 steps 1: dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; potassium acetate / 1,4-dioxane / 1.5 h / 80 °C 2: sodium hydroxide; dihydrogen peroxide / tetrahydrofuran / 0.5 h / 0 °C
  • 8
  • [ 1313399-38-0 ]
  • [ 1344701-44-5 ]
YieldReaction ConditionsOperation in experiment
93.54% With dihydrogen peroxide; sodium hydroxide In tetrahydrofuran at 0℃; for 0.5h; 25.2 Step 2: Synthesis6-Hydroxy-2-methyl-2,3-dihydro-1H-isoindol-1-one (25-4) The 2-methyl-6-(tetramethyl-1,3,2-dioxolane-2-yl)-2,3-dihydro-1H-isoindol-1-one (1.7g, 6.224 mmol)And sodium hydroxide (0.50g, 12.448mmol)Dissolved in tetrahydrofuran (50mL),The reaction mixture is reduced to 0°C and addedHydrogen peroxide (1.21 g, 12.448 mmol).The mixture was stirred and reacted at 0°C for 30 minutes.The reaction solution was poured into saturated sodium bisulfite aqueous solution (150 mL),Extract with ethyl acetate (200mL),The extract is dried with anhydrous sodium sulfate,Filter to remove anhydrous sodium sulfate,Crude product by silica gel column chromatography(Petroleum ether: ethyl acetate = 80:20 (v/v))Purified the target product as a red solid(950 mg, 5.822 mmol, 93.54% yield).
  • 9
  • [ 1344701-44-5 ]
  • [ 2718254-70-5 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 2 steps 1: caesium carbonate / N,N-dimethyl-formamide / 16 h / 20 °C 2: ammonium hydroxide / tetrahydrofuran; isopropyl alcohol / 48 h / 85 °C
  • 10
  • [ 1344701-44-5 ]
  • [ 2718254-08-9 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 3 steps 1: caesium carbonate / N,N-dimethyl-formamide / 16 h / 20 °C 2: ammonium hydroxide / tetrahydrofuran; isopropyl alcohol / 48 h / 85 °C 3: trifluoroacetic acid / water / 5 h
  • 11
  • [ 2086765-78-6 ]
  • [ 1344701-44-5 ]
  • [ 2718254-69-2 ]
YieldReaction ConditionsOperation in experiment
71.11% With caesium carbonate In N,N-dimethyl-formamide at 20℃; for 16h; 25.3 Step 3: Synthesis6-[(3aR,4R,6R,6As)-6-{4-chloro-7H-pyrrolo[2,3-d]pyrimidin-7-yl}-2,2-dimethyl-hexahydro Pent[d][1,3]dioxool-4-yl]methoxy}-2-methyl-2,3-dihydro-1H-isoindol-1-one (25-5) The compound [(3aR,4R,6R,6As)-6-{4-chloro-7H-pyrrolo[2,3-d]pyrimidin-7-yl}-2,2-dimethyl-hexahydrocyclopenta [d][1,3]dioxo-4-yl]methyl 4-toluene-1-sulfonate (430mg, 0.900mmol)Dissolve in DMF (4mL).Add cesium carbonate (879.87mg, 2.699mmol)And 6-hydroxy-2-methyl-2,3-dihydro-1H-isoindol-1-one (161.48 mg, 0.990 mmol).The mixture was stirred at room temperature for 16 hours.Pour the reaction solution into water (30mL),Extract with ethyl acetate (70mL),The extract is dried with anhydrous sodium sulfate,Filter to remove anhydrous sodium sulfate,Chromatography on silica gel column (petroleum ether: ethyl acetate=50:50(v/v))After purification, a yellow oily target product is obtained(300mg, 0.640mmol, yield 71.11%).
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