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CAS No. : | 153034-80-1 | MDL No. : | MFCD03095289 |
Formula : | C6H5FIN | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | XWSVFBVCHYQCLO-UHFFFAOYSA-N |
M.W : | 237.01 | Pubchem ID : | 11776298 |
Synonyms : |
|
Num. heavy atoms : | 9 |
Num. arom. heavy atoms : | 6 |
Fraction Csp3 : | 0.17 |
Num. rotatable bonds : | 0 |
Num. H-bond acceptors : | 2.0 |
Num. H-bond donors : | 0.0 |
Molar Refractivity : | 41.88 |
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) : | -6.11 cm/s |
Log Po/w (iLOGP) : | 1.93 |
Log Po/w (XLOGP3) : | 2.3 |
Log Po/w (WLOGP) : | 2.55 |
Log Po/w (MLOGP) : | 2.18 |
Log Po/w (SILICOS-IT) : | 3.21 |
Consensus Log Po/w : | 2.43 |
Lipinski : | 0.0 |
Ghose : | None |
Veber : | 0.0 |
Egan : | 0.0 |
Muegge : | 1.0 |
Bioavailability Score : | 0.55 |
Log S (ESOL) : | -3.25 |
Solubility : | 0.133 mg/ml ; 0.00056 mol/l |
Class : | Soluble |
Log S (Ali) : | -2.21 |
Solubility : | 1.47 mg/ml ; 0.00619 mol/l |
Class : | Soluble |
Log S (SILICOS-IT) : | -3.65 |
Solubility : | 0.0533 mg/ml ; 0.000225 mol/l |
Class : | Soluble |
PAINS : | 0.0 alert |
Brenk : | 2.0 alert |
Leadlikeness : | 1.0 |
Synthetic accessibility : | 1.85 |
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: |
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* 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 |
---|---|---|
69% | Stage #1: With lithium diisopropyl amide In tetrahydrofuran at -78℃; for 1 h; Inert atmosphere Stage #2: at -78℃; for 0.5 h; Inert atmosphere |
2-Fluoro-4-iodo-3-methylpyridine (0412) To a solution of LDA (68 mL, 135 mmol) at −78° C. was added a solution of 2-fluoro-3-iodopyridine (30 g, 135 mmol) in THF (100 mL), and the mixture is stirred for 1 hour at −78° C. under nitrogen. MeI (25 mL, 405 mmol) was then added, and the mixture was stirred for 30 min at −78° C. The mixture was quenched with sat. aq. NaHCO3 solution at −78° C. and then extracted with ether. The combined ether extracts were dried with MgSO4 and concentrated in vacuo. The residue was purified by silica gel column chromatography (Petroleum ether:EtOAc=4:1) to give the title compound as a brown solid (22 g, 69percent). (0413) MS (ES+) C6H5FIN requires: 237, found: 238 [M+H]+. |
72% | With n-butyllithium; diisopropylamine In tetrahydrofuran | EXAMPLE 4 2-Fluoro-4-iodo-3-methylpyridine (6) To a solution of LDA, freshly prepared from diisopropylamine (0.126 mL, 0.899 mmol) and n-BuLi (0.899 mmol), in THF (2 mL) at -78° C. is cannulated a solution of 2-fluoro-3-iodopyridine (200 mg, 0.897 mmol) in 0.4 mL of THF, and the mixture is stirred for 1 hour at -78° C. under nitrogen. Iodomethane (0.17 mL, 2.73 mmol) is added neat and the mixture is stirred for 30 min. at -78° C. The mixture is quenched with saturated sodium bicarbonate solution at -78° C. and then extracted with ether. Combined ether extracts are dried (MgSO4) and concentrated in vacuo. The residue is purified by radial plc (silica gel, hexanes) to give 154 mg (72percent) of product as an off-white solid having amp of 90-91 ° C. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
17.2 g | Stage #1: With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at -78℃; for 1 h; Inert atmosphere Stage #2: at -78℃; for 2 h; Inert atmosphere |
n-Butyl lithium (1.6M hexane solution, 53.8 mL) was added to a solution of diisopropylamine (8.71 g) in THF (200 mL) at -10 C. After being stirred at the same temperature under nitrogen atmosphere for 1 hour, a solution of 2-fluoro-3-iodopyridine (18.3 g) in THF (70 mL) was added to the reaction mixture at -78 C. The mixture was stirred at the same temperature under nitrogen atmosphere for 1 hour. A solution of iodomethane (12.8 g) in THF (30 mL) was added to the reaction mixture at -78 C. The mixture was stirred at the same temperature under nitrogen atmosphere for 2 hours. The mixture was quenched with aqueous saturated ammonium chloride solution at 0 C and extracted with ethyl acetate. The organic layer was separated, washed with water and brine, dried over anhydrous magnesium sulfate and concentrated in vacuo. The residue was passed through NH-silica and concentrated in vacuo. The residue was purified by a silica gel column chromatography (hexane/ethyl acetate) to give the title compound (17.2 g). 1H NMR (300 MHz, CDCl3) delta 2.39 (3H, d, J=1.5 Hz), 7.57-7.63 (1H, m), 7.65-7.70 (1H, m). |
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