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CAS No. : | 189449-41-0 | MDL No. : | MFCD09743993 |
Formula : | C6H6ClNO | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | FYKNUGKDTZRYJM-UHFFFAOYSA-N |
M.W : | 143.57 | Pubchem ID : | 435084 |
Synonyms : |
|
Num. heavy atoms : | 9 |
Num. arom. heavy atoms : | 6 |
Fraction Csp3 : | 0.17 |
Num. rotatable bonds : | 1 |
Num. H-bond acceptors : | 2.0 |
Num. H-bond donors : | 1.0 |
Molar Refractivity : | 35.37 |
TPSA : | 33.12 Ų |
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) : | -6.76 cm/s |
Log Po/w (iLOGP) : | 1.44 |
Log Po/w (XLOGP3) : | 0.59 |
Log Po/w (WLOGP) : | 1.08 |
Log Po/w (MLOGP) : | 0.49 |
Log Po/w (SILICOS-IT) : | 1.85 |
Consensus Log Po/w : | 1.09 |
Lipinski : | 0.0 |
Ghose : | None |
Veber : | 0.0 |
Egan : | 0.0 |
Muegge : | 1.0 |
Bioavailability Score : | 0.55 |
Log S (ESOL) : | -1.53 |
Solubility : | 4.25 mg/ml ; 0.0296 mol/l |
Class : | Very soluble |
Log S (Ali) : | -0.86 |
Solubility : | 19.9 mg/ml ; 0.138 mol/l |
Class : | Very soluble |
Log S (SILICOS-IT) : | -2.45 |
Solubility : | 0.514 mg/ml ; 0.00358 mol/l |
Class : | Soluble |
PAINS : | 0.0 alert |
Brenk : | 0.0 alert |
Leadlikeness : | 1.0 |
Synthetic accessibility : | 1.16 |
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 |
---|---|---|
42% | With sodium borohydrid; acetic acid In tetrahydrofuran; methanol | Example 5 4-chloro-3-hydroxymethylpyridine To a solution of 4-chloro-3-pyridyl carboxyaldehyde (140 mg, 1.0 mmol) in THF (1 mL) at 0° C. was added methanol (1 mL) followed by portionwise addition of sodium borohydride (75 mg, 2.0 mmol). After 1 hr, acetic acid (0.15 ml) was added and the reaction mixture was evaporated to dryness with rotary evaporator at room temperature. The solid residue was chromatographed on silica gel column (1percent MeOH/dichloromethane) to afford 60 mg (42percent) of the title compound. 1H NMR (CDCl3) δ4.30 (br s, 1H), 4.80 (s, 2H), 7.30 (d, 1H, J=5), 8.34 (d, 1H, J=5), 8.62 (s, 1H). |
42% | With sodium borohydrid; acetic acid In tetrahydrofuran; methanol | Example 5 4-chloro-3-hydroxymethylpyridine To a solution of 4-chloro-3-pyridyl carboxyaldehyde (140 mg, 1.0 mmol) in THF (1 mL) at 0° C. was added methanol (1mL) followed by portionwise addition of sodium borohydride (75 mg, 2.0 mmol). After 1 hr, acetic acid (0.15 ml) was added and the reaction mixture was evaporated to dryness with rotary evaporator at room temperature. The solid residue was chromatographed on silica gel column (1percent MeOH/dichloromethane) to afford 60 mg (42percent) of the title compound. 1H NMR (CDCl3) δ4.30 (br s, 1H), 4.80 (s, 2H), 7.30 (d, 1H, J=5), 8.34 (d, 1H, J=5), 8.62 (s, 1H). |
42% | With sodium borohydrid; acetic acid In tetrahydrofuran; methanol | Example 5 4-chloro-3-hydroxymethylpyridine To a solution of 4-chloro-3-pyridyl carboxyaldehyde (140 mg, 1.0 mmol) in THF (1 mL) at 0° C. was added methanol (1 mL) followed by portionwise addition of sodium borohydride (75 mg, 2.0 mmol). After 1 hr, acetic acid (0.15 ml) was added and the reaction mixture was evaporated to dryness with rotary evaporator at room temperature. The solid residue was chromatographed on silica gel column (1percent MeOH/dichloromethane) to afford 60 mg (42percent) of the title compound. 1H NMR (CDCl3) δ 4.30 (br s, 1H), 4.80 (s, 2H), 7.30 (d, 1H, J=5), 8.34 (d, 1H, J=5), 8.62 (s, 1H). |
42 % | With sodium borohydrid; acetic acid In tetrahydrofuran; methanol | Example 5 4-chloro-3-hydroxymethylpyridine To a solution of 4-chloro-3-pyridyl carboxyaldehyde (140 mg, 1.0 mmol) in THF (1 mL) at 0 °C was added methanol (1mL) followed by portionwise addition of sodium borohydride (75 mg, 2.0 mmol). After 1 hr, acetic acid (0.15 ml) was added and the reaction mixture was evaporated to dryness with rotary evaporator at room temperature. The solid residue was chromatographed on silica gel column (1percent MeOH / dichloromethane) to afford 60 mg (42 percent) of the title compound. 1H NMR (CDCl3) δ 4.30 (br s, 1H), 4.80 (s, 2H), 7.30 (d, 1H, J=5), 8.34 (d, 1H, J=5), 8.62 (s, 1H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
480 mg | With manganese(IV) oxide In ethyl acetate for 4 h; Reflux | Manganese dioxide (1.53 g) was added to a solution of (4-chloro pyridin-3-yl)methanol (630 mg) in ethyl acetate (15 mL), followed by refluxing for 2 hours. Manganese dioxide (382 mg) was added thereto, followed by refluxing for 2 hours. The reaction mixture was cooled to room temperature, the insoluble materials were filtered off, and the solvent was distilled off under reduced pressure. The obtained residues were purified by silica gel column chromatography (hexane:ethyl acetate=7:3→3:7), whereby 4-chloronicotinic aldehyde (480 mg) was obtained as a white solid |
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