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CAS No. : | 343781-36-2 | MDL No. : | MFCD09033756 |
Formula : | C5H2Cl2IN | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | OKXJLNYZTJLVJZ-UHFFFAOYSA-N |
M.W : | 273.89 | Pubchem ID : | 10636017 |
Synonyms : |
|
Num. heavy atoms : | 9 |
Num. arom. heavy atoms : | 6 |
Fraction Csp3 : | 0.0 |
Num. rotatable bonds : | 0 |
Num. H-bond acceptors : | 1.0 |
Num. H-bond donors : | 0.0 |
Molar Refractivity : | 46.97 |
TPSA : | 12.89 Ų |
GI absorption : | High |
BBB permeant : | Yes |
P-gp substrate : | No |
CYP1A2 inhibitor : | Yes |
CYP2C19 inhibitor : | No |
CYP2C9 inhibitor : | No |
CYP2D6 inhibitor : | No |
CYP3A4 inhibitor : | No |
Log Kp (skin permeation) : | -5.78 cm/s |
Log Po/w (iLOGP) : | 1.99 |
Log Po/w (XLOGP3) : | 3.09 |
Log Po/w (WLOGP) : | 2.99 |
Log Po/w (MLOGP) : | 2.6 |
Log Po/w (SILICOS-IT) : | 3.67 |
Consensus Log Po/w : | 2.87 |
Lipinski : | 0.0 |
Ghose : | None |
Veber : | 0.0 |
Egan : | 0.0 |
Muegge : | 1.0 |
Bioavailability Score : | 0.55 |
Log S (ESOL) : | -3.98 |
Solubility : | 0.0288 mg/ml ; 0.000105 mol/l |
Class : | Soluble |
Log S (Ali) : | -3.03 |
Solubility : | 0.257 mg/ml ; 0.000937 mol/l |
Class : | Soluble |
Log S (SILICOS-IT) : | -4.21 |
Solubility : | 0.017 mg/ml ; 0.0000622 mol/l |
Class : | Moderately soluble |
PAINS : | 0.0 alert |
Brenk : | 2.0 alert |
Leadlikeness : | 0.0 |
Synthetic accessibility : | 2.13 |
Signal Word: | Warning | Class: | |
Precautionary Statements: | P280-P305+P351+P338 | UN#: | |
Hazard Statements: | H317-H319 | Packing Group: | |
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 |
---|---|---|
81% | Stage #1: With n-butyllithium; N-ethyl-N,N-diisopropylamine In tetrahydrofuran; hexane at -78℃; Inert atmosphere Stage #2: With iodine In tetrahydrofuran; hexane at -78℃; |
Description 52,4-dichloro-3-iodo-pyridine (D5)To a solution of 2,4-dichloropyridine (5.2 g, 35.137 mmol) and DIPEA (3.911 g,38.651 mmol) in dry THF (40 ml) cooled at -78 0C under a nitrogen atmosphere, was added M-butyllithium (24.157 ml, 38.651 mmol, 1.6 M in hexanes) dropwise. The resulting reaction mixture was stirred at -78 0C for 45 min. and then a solution of iodine (9.81 g, 38.651 mmol) in dry THF (20 ml) was added dropwise. The mixture was stirred at -78 0C for 1 h. The mixture was allowed to warm to room temperature, diluted with EtOAc and quenched with NH4Cl (aqueous sat. solution) and Na2S2O3 (aqueous sat. solution). The combined organic extracts were separated, washed with NaHCO3 (aqueous sat. solution), dried (Na2SO4) and concentrated in vacuo. The crude product was purified by column chromatography (silica gel; Heptane/DCM up to 20percent as eluent). The desired fractions were collected and concentrated in vacuo to yield intermediate compound D5 (7.8 g, 81percent). |
81% | Stage #1: With n-butyllithium; diisopropylamine In tetrahydrofuran; hexanes at -78℃; for 0.75 h; Inert atmosphere Stage #2: With iodine In tetrahydrofuran; hexanes at -78℃; for 1 h; |
To a solution of 2,4-dichloropyridine (5.2 g, 35.137 mmol) and diisopropylamine (3.911 g, 38.651 mmol) in dry THF (40 ml) cooled at -78 0C under a nitrogen atmosphere, was added M-butyllithium (24.157 ml, 38.651 mmol, 1.6 M in hexanes) dropwise. The resulting reaction mixture was stirred at -78 0C for 45 min., then a solution of iodine (9.81 g, 38.651 mmol) in dry THF (20 ml) was added dropwise and the mixture was further stirred at -78 0C for 1 h. The mixture was allowed to warm to r.t., diluted with EtOAc and quenched with NH4Cl (aqueous sat. solution) and Na2S2O3 (aqueous sat. solution). The organic layer was separated, washed with NaHCO3 (aqueous sat. solution), dried (Na2SO4) and concentrated in vacuo. The crude product was purified by column chromatography (silica gel; Heptane/DCM up to 20percent as eluent). The desired fractions were collected and concentrated in vacuo to yield intermediate compound D 12 (7.8 g, 81percent) |
81% | Stage #1: With n-butyllithium; diisopropylamine In tetrahydrofuran; hexanes at -78℃; for 0.75 h; Inert atmosphere Stage #2: With iodine In tetrahydrofuran; hexanes at -78℃; for 1 h; |
To a solution of 2,4-dichloropyridine (5.2 g, 35.137 mmol) and diisopropylamine (3.911 g, 38.651 mmol) in dry THF (40 ml) cooled at -78 0C under a nitrogen atmosphere, was added n-butyllithium (24.157 ml, 38.651 mmol, 1.6 M in hexanes) dropwise. The resulting reaction mixture was stirred at -78 0C for 45 min. and then a solution of iodine (9.81 g, 38.651 mmol) in dry THF (20 ml) was added dropwise. The mixture was stirred at -78 0C for 1 h., allowed to warm to r.t., diluted with EtOAc and quenched with NH4Cl (aqueous sat. solution) and Na2S2O3 (aqueous sat. solution). The organic layer was separated, washed with NaHCO3 (aqueous sat. solution), dried (Na2SO4) and concentrated in vacuo. The crude product was purified by column chromatography (silica gel; Heptane/DCM up to 20percent as eluent). The desired fractions were collected and concentrated in vacuo to yield intermediate compound D24 (7.8 g, 81percent). |
81% | Stage #1: With n-butyllithium; N-ethyl-N,N-diisopropylamine In tetrahydrofuran; hexane at -78℃; for 0.75 h; Inert atmosphere Stage #2: With iodine In tetrahydrofuran; hexane at -78℃; for 1 h; Inert atmosphere |
2,4-Dichloro-3 -iodo-pyridine (1-5)To a solution of 2,4-dichloropyridine (5.2 g, 35.14 mmol) and DIPEA (3.91 g, 38.65 mmol) in dry THF (40 mL) cooled at -78 °C under a nitrogen atmosphere, was added n-BuLi (24.16 mL, 38.65 mmol, 1.6 M in hexanes) dropwise. The resulting r.m. was stirred at -78 °C for 45 min and then a solution of iodine (9.81 g, 38.651 mmol) in dry THF (20 mL) was added dropwise. The mixture was stirred at -78 °C for 1 h, allowed to warm to r. , diluted with EtOAc and quenched with H4CI (aq. sat. sol.) and Na2S203 (aq. sat. sol). The organic layer was separated, washed with NaHC03 (aq. sat. sol), dried (Na2S04) and concentrated in vacuo. The crude product was purified by column chromatography (silica gel; Heptane/DCM up to 20percent as eluent). The desired fractions were collected and concentrated in vacuo to yield intermediate 1-5 (7.8 g, 81percent). |
81% | Stage #1: With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at -78℃; for 0.75 h; Inert atmosphere Stage #2: With iodine In tetrahydrofuran at -78℃; for 1 h; |
Intermediate 1 (1-1)2,4-Dichloro-3-iodo-pyridine (1-1)To a solution of 2,4-dichloropyridine (5.2 g, 35.14 mmol) and diisopropylamine (3.91 g, 38.65 mmol) in dry THF (40 mL) cooled at -78 °C under a nitrogen atmosphere, was added n-butyllithium (24.16 mL, 38.65 mmol, 1.6 M in hexanes) dropwise. The resulting reaction mixture was stirred at -78 °C for 45 min. and then a solution of iodine (9.81 g, 38.651 mmol) in dry THF (20 mL) was added dropwise. The mixture was stirred at -78 °C for 1 h., allowed to warm to r.t., diluted with EtOAc and quenched with H4CI (aqueous sat. solution) and Na2S203 (aqueous sat. solution). The organic layer was separated, washed with NaHC03 (aqueous sat. solution), dried (Na2S04) and concentrated in vacuo. The crude product was purified by column chromatography (silica gel; DCM in heptane 0/100 to 20/80). The desired fractions were collected and concentrated in vacuo to yield intermediate compound 1-1(7.8 g, 81percent). |
81% | Stage #1: With n-butyllithium; N-ethyl-N,N-diisopropylamine In tetrahydrofuran; hexane at -78℃; for 0.75 h; Inert atmosphere Stage #2: With iodine In tetrahydrofuran; hexane at -78℃; for 1 h; |
Intermediate 7 (1-7)2,4-Dichloro-3 -iodo-pyridine (1-7) To a solution of 2,4-dichloropyridine (5.2 g, 35.14 mmol) and DIPEA (3.91 g,38.65 mmol) in dry THF (40 mL) cooled at -78 °C under a nitrogen atmosphere, was added n-butyllithium (24.16 mL, 38.65 mmol, 1.6 M in hexanes) dropwise. The resulting reaction mixture was stirred at -78 °C for 45 min. and then a solution of iodine (9.81 g, 38.651 mmol) in dry THF (20 mL) was added dropwise. The mixture was stirred at -78 °C for 1 h., allowed to warm to r.t., diluted with EtOAc and quenched with H4CI (aqueous sat. solution) and Na2S203 (aqueous sat. solution). The organic layer was separated, washed with NaHC03 (aqueous sat. solution), dried (Na2S04) and concentrated in vacuo. The crude product was purified by column chromatography (silica gel; DCM in heptane 0/100 to 20/80). The desired fractions were collected and concentrated in vacuo to yield intermediate compound 1-7 (7.8 g, 81percent). |
81% | Stage #1: With n-butyllithium; N-ethyl-N,N-diisopropylamine In tetrahydrofuran; hexane at -78℃; for 0.75 h; Inert atmosphere Stage #2: With iodine In tetrahydrofuran; hexane at -78℃; for 1 h; |
Intermediate 1 (1-1)2,4-Dichloro-3-iodo-pyridine (1-1)To a solution of 2,4-dichloropyridine (5.2 g, 35.14 mmol) and diisopropylamine (3.91 g, 38.65 mmol) in dry THF (40 mL) cooled at -78 °C under a nitrogen atmosphere, was added n-butyllithium (24.16 mL, 38.65 mmol, 1.6 M in hexanes) dropwise. The resulting reaction mixture was stirred at -78 °C for 45 min. and then a solution of iodine (9.81 g, 38.651 mmol) in dry THF (20 mL) was added dropwise. The mixture was stirred at -78 °C for 1 h., allowed to warm to r.t., diluted with EtOAc and quenched with H4CI (aqueous sat. solution) and Na2S203 (aqueous sat. solution). The organic layer was separated, washed with NaHC03 (aqueous sat. solution), dried (Na2S04) and concentrated in vacuo. The crude product was purified by column chromatography (silica gel; DCM in heptane 0/100 to 20/80). The desired fractions were collected and concentrated in vacuo to yield intermediate compound 1-1 (7.8 g, 81percent). |
81% | With n-butyllithium; iodine; diisopropylamine In tetrahydrofuran; n-heptane at -78℃; for 1.75 h; Inert atmosphere | 2,4-Dichloro-3-iodo-pyridine (I-1) To a solution of 2,4-dichloropyridine (5.2 g, 35.14 mmol) and diisopropylamine (3.91 g, 38.65 mmol) in dry THF (40 mL) cooled at -78° C. under a nitrogen atmosphere, was added n-butyllithium (24.16 mL, 38.65 mmol, 1.6 M in hexanes) dropwise. The resulting reaction mixture was stirred at -78° C. for 45 min. and then a solution of iodine (9.81 g, 38.651 mmol) in dry THF (20 mL) was added dropwise. The mixture was stirred at -78° C. for 1 h., allowed to warm to r.t., diluted with EtOAc and quenched with NH4Cl (aqueous sat. solution) and Na2S2O3 (aqueous sat. solution). The organic layer was separated, washed with NaHCO3 (aqueous sat. solution), dried (Na2SO4) and concentrated in vacuo. The crude product was purified by column chromatography (silica gel; DCM in heptane 0/100 to 20/80). The desired fractions were collected and concentrated in vacuo to yield intermediate compound I-1 (7.8 g, 81percent). |
81% | Stage #1: With n-butyllithium; N-ethyl-N,N-diisopropylamine In tetrahydrofuran; hexane at -78℃; for 0.75 h; Inert atmosphere Stage #2: With iodine In tetrahydrofuran; hexane at -78℃; for 1 h; |
2,4-Dichloro-3-iodo-pyridine (I-5) To a solution of 2,4-dichloropyridine (5.2 g, 35.14 mmol) and DIPEA (3.91 g, 38.65 mmol) in dry THF (40 mL) cooled at -78° C. under a nitrogen atmosphere, was added n-BuLi (24.16 mL, 38.65 mmol, 1.6 M in hexanes) dropwise. The resulting r.m. was stirred at -78° C. for 45 min and then a solution of iodine (9.81 g, 38.651 mmol) in dry THF (20 mL) was added dropwise. The mixture was stirred at -78° C. for 1 h, allowed to warm to r.t., diluted with EtOAc and quenched with NH4Cl (aq. sat. sol.) and Na2S2O3 (aq. sat. sol.). The organic layer was separated, washed with NaHCO3 (aq. sat. sol.), dried (Na2SO4) and concentrated in vacuo. The crude product was purified by column chromatography (silica gel; Heptane/DCM up to 20percent as eluent). The desired fractions were collected and concentrated in vacuo to yield intermediate I-5 (7.8 g, 81percent). |
81% | Stage #1: With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at -78℃; for 0.75 h; Inert atmosphere Stage #2: With iodine In tetrahydrofuran; hexane at -78℃; for 1 h; Inert atmosphere |
To a solution of 2,4-dichloropyridine (5.2 g, 35.137 mmol) and diisopropylamine (3.911 g, 38.651 mmol) in dry THF (40 ml) cooled at -78 °C under a nitrogen atmosphere, was added n-butyllithium (24.157 ml, 38.651 mmol, 1.6 M in hexanes) dropwise. The resulting reaction mixture was stirred at -78 °C for 45 min and then a solution of iodine (9.81 g, 38.651 mmol) in dry THF (20 ml) was added dropwise. The mixture was stirred at -78 °C for 1 h, allowed to warm to rt, diluted with EtOAc and quenched with NH4Cl (aqueous sat. solution) and Na2S203 (aqueous sat. solution). The organic layer was separated, washed with NaHC03 (aqueous sat. solution), dried (Na2S04) and concentrated in vacuo. The crude product was purified by column chromatography (silica gel; heptane/DCM up to 20percent as eluent). The desired fractions were collected and concentrated in vacuo to yield 1-1 (7.8 g, 81percent). |
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