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CAS No. : | 1519917-98-6 | MDL No. : | MFCD25132888 |
Formula : | C9H9BrN2O4 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | GRINWUSYNUMATI-UHFFFAOYSA-N |
M.W : | 289.08 | Pubchem ID : | 81530379 |
Synonyms : |
|
Num. heavy atoms : | 16 |
Num. arom. heavy atoms : | 6 |
Fraction Csp3 : | 0.22 |
Num. rotatable bonds : | 4 |
Num. H-bond acceptors : | 4.0 |
Num. H-bond donors : | 0.0 |
Molar Refractivity : | 61.95 |
TPSA : | 75.36 Ų |
GI absorption : | High |
BBB permeant : | Yes |
P-gp substrate : | No |
CYP1A2 inhibitor : | Yes |
CYP2C19 inhibitor : | Yes |
CYP2C9 inhibitor : | No |
CYP2D6 inhibitor : | No |
CYP3A4 inhibitor : | No |
Log Kp (skin permeation) : | -6.68 cm/s |
Log Po/w (iLOGP) : | 2.11 |
Log Po/w (XLOGP3) : | 1.95 |
Log Po/w (WLOGP) : | 1.99 |
Log Po/w (MLOGP) : | 1.47 |
Log Po/w (SILICOS-IT) : | -0.59 |
Consensus Log Po/w : | 1.39 |
Lipinski : | 0.0 |
Ghose : | None |
Veber : | 0.0 |
Egan : | 0.0 |
Muegge : | 0.0 |
Bioavailability Score : | 0.55 |
Log S (ESOL) : | -2.87 |
Solubility : | 0.386 mg/ml ; 0.00134 mol/l |
Class : | Soluble |
Log S (Ali) : | -3.16 |
Solubility : | 0.201 mg/ml ; 0.000696 mol/l |
Class : | Soluble |
Log S (SILICOS-IT) : | -2.42 |
Solubility : | 1.09 mg/ml ; 0.00377 mol/l |
Class : | Soluble |
PAINS : | 0.0 alert |
Brenk : | 2.0 alert |
Leadlikeness : | 0.0 |
Synthetic accessibility : | 2.33 |
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: |
* 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.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
77% | To a solution of 3-brorno-5-nitrobenzoic acid (95a) (5 g, 20.32 mmol) in toluene (40mL) was added thionyl chloride(14.83 rnL, 203 mmol) and heated at reflux for I Ii. Thereaction mixture was concentrated in vacuum to dryness. The residue obtained wasdissolved in CH2CI2 (40.0 mL) and added N,O-dimethylhydroxylarnine hydrochloride (2.97g. 30.5 mmol) followed by triethylamine (14.16 mL, 102 mmol). The reaction mixture was stirred at room temperature overnight, washed with I N HCI (40 mL), I N NaOH (40 mL), water (40 mL), brine (40 mL), dried filtered and concentrated in vacuum. The residue obtained was purified by flash column chromatography (silica gel 40 g. eluting with 0-100% ethyl acetate in hexane) to furnish 3-bromo-N-methoxy-N-methyl-5-nitrobenzamide(95b) (4.5 g, 15.57 mmol, 77% yield) as a yellow oil; ?H NMR (300 MHz, DMSO-d6) 68.51 (t,J2.OHz, IH), 8.37 (dd,J=2.1, 1.4Hz, IH), 8.23 (dd,J 1.8, 1.4 Hz, IFI), 3.57(s, 3H), 3.31 (s, 3H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: palladium (II) acetate; tricyclohexylphosphine / water; toluene / 50 h / 120 °C / Inert atmosphere 2: methanol; sodium tetrahydroborate; nickel(II) chloride hexahydrate / 0.75 h / 0 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 3 steps 1: palladium (II) acetate; tricyclohexylphosphine / water; toluene / 50 h / 120 °C / Inert atmosphere 2: methanol; sodium tetrahydroborate; nickel(II) chloride hexahydrate / 0.75 h / 0 °C 3: tetrahydrofuran / 3 h / 0 - 20 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 4 steps 1: palladium (II) acetate; tricyclohexylphosphine / water; toluene / 50 h / 120 °C / Inert atmosphere 2: methanol; sodium tetrahydroborate; nickel(II) chloride hexahydrate / 0.75 h / 0 °C 3: tetrahydrofuran / 3 h / 0 - 20 °C 4: methanol; sodium tetrahydroborate / 0.25 h / 0 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 5 steps 1: palladium (II) acetate; tricyclohexylphosphine / water; toluene / 50 h / 120 °C / Inert atmosphere 2: methanol; sodium tetrahydroborate; nickel(II) chloride hexahydrate / 0.75 h / 0 °C 3: tetrahydrofuran / 3 h / 0 - 20 °C 4: methanol; sodium tetrahydroborate / 0.25 h / 0 °C 5: N-ethyl-N,N-diisopropylamine; bromo-tris(1-pyrrolidinyl)phosphonium hexafluorophosphate / N,N-dimethyl-formamide / 37 h / 20 °C / Inert atmosphere |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 6 steps 1.1: palladium (II) acetate; tricyclohexylphosphine / water; toluene / 50 h / 120 °C / Inert atmosphere 2.1: methanol; sodium tetrahydroborate; nickel(II) chloride hexahydrate / 0.75 h / 0 °C 3.1: tetrahydrofuran / 3 h / 0 - 20 °C 4.1: methanol; sodium tetrahydroborate / 0.25 h / 0 °C 5.1: N-ethyl-N,N-diisopropylamine; bromo-tris(1-pyrrolidinyl)phosphonium hexafluorophosphate / N,N-dimethyl-formamide / 37 h / 20 °C / Inert atmosphere 6.1: thionyl chloride / dichloromethane / 3 h / 0 - 20 °C 6.2: 2 h / Reflux |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 7 steps 1.1: palladium (II) acetate; tricyclohexylphosphine / water; toluene / 50 h / 120 °C / Inert atmosphere 2.1: methanol; sodium tetrahydroborate; nickel(II) chloride hexahydrate / 0.75 h / 0 °C 3.1: tetrahydrofuran / 3 h / 0 - 20 °C 4.1: methanol; sodium tetrahydroborate / 0.25 h / 0 °C 5.1: N-ethyl-N,N-diisopropylamine; bromo-tris(1-pyrrolidinyl)phosphonium hexafluorophosphate / N,N-dimethyl-formamide / 37 h / 20 °C / Inert atmosphere 6.1: thionyl chloride / dichloromethane / 3 h / 0 - 20 °C 6.2: 2 h / Reflux 7.1: methanol; sodium tetrahydroborate; nickel(II) chloride hexahydrate / 0.5 h / 0 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
73% | With palladium (II) acetate; tricyclohexylphosphine In water; toluene at 120℃; for 50h; Inert atmosphere; | 2 Step-2: Preparation of 3-cyclopropyl-N-methoxy-N-methyl-5-nitrobenzamide (95c) To a 250 mL single-neck flask with a magnetic stir bar was charged with 3-brorno-N-rnethoxy-N-methyl-5-nitrobenzamide (95b) (2.394 g, 8.28 mrnol), cyclopropylboronic acid (1.423 g, 16.56 inmol), potassium phosphate monohydrate (4.77 g, 20.70 mrnol), tricyclohexylphosphine (0.697 g, 2.484 mmol) and palladium(I I) acetate trimer (0.837 g, 1 .242 mrnol). The flask was degassed and purged with nitrogen, this cycle was repeatedtwice, and then the reaction mixture was diluted with toluene (30 mL) and water (10 mL). The reaction mixture was again degassed and purged with nitrogen twice, and then the reaction mixture was purged with nitrogen for 5 mm and started heating to reflux at 120 °C and stirred for 50 h, TLC analysis (ethyl acetate/hexanes, 3/7, v/v) shows reaction was complete. The reaction mixture was cooled to room temperature, quenched with water (50mL) and extracted with ethyl acetate (3 x 75 rnL). The organic layers were combined washed with brine (50 inL), dried over anhydrous MgSO4 (10 g), filtered and excess solvent was removed under reduced pressure. The residue and was purified by flash column chromatography (40 g silica gel, eluting with ethyl acetate in hexanes from 0-50%) to furnish 3-cyclopropyl-N-methoxy-N-methyl-5-nitrobenzamide (95c) (1.523 g, 73 % yield)as a pale yellow oil; ‘H NMR (300 MHz, DMSO-d(.) 6 8.12 (dd, .1= 2.2, 1.4 Hz, I H), 8.03(t,.1 2.0 Hz, IN), 7.71 (t,J= 1.6 Hz, IH), 3.56 (s, 3H), 3.29 (s, 3H), 2.20 (tt,.1= 8.3, 5.0Hz, IH), 1.14- 1.03 (m, 2K), 0.85 (dt, .1=6.9,4.6 Hz, 2H); MS (ES4): MS (ES±) 251.1(M±l), 273.1 (M+Na). |
73% | With palladium diacetate; potassium carbonate; tricyclohexylphosphine In water; toluene at 110℃; for 50h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
72% | With potassium trimethylsilonate; palladium diacetate; tricyclohexylphosphine In 1,4-dioxane at 100℃; for 3h; |
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