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CAS No. : | 38170-02-4 | MDL No. : | MFCD08457196 |
Formula : | C7H5IO2 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | UPUMRAVJDXWXMP-UHFFFAOYSA-N |
M.W : | 248.02 | Pubchem ID : | 18351513 |
Synonyms : |
|
Num. heavy atoms : | 10 |
Num. arom. heavy atoms : | 6 |
Fraction Csp3 : | 0.0 |
Num. rotatable bonds : | 1 |
Num. H-bond acceptors : | 2.0 |
Num. H-bond donors : | 1.0 |
Molar Refractivity : | 46.57 |
TPSA : | 37.3 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) : | -6.23 cm/s |
Log Po/w (iLOGP) : | 1.34 |
Log Po/w (XLOGP3) : | 2.23 |
Log Po/w (WLOGP) : | 1.81 |
Log Po/w (MLOGP) : | 1.71 |
Log Po/w (SILICOS-IT) : | 2.47 |
Consensus Log Po/w : | 1.91 |
Lipinski : | 0.0 |
Ghose : | None |
Veber : | 0.0 |
Egan : | 0.0 |
Muegge : | 0.0 |
Bioavailability Score : | 0.55 |
Log S (ESOL) : | -3.16 |
Solubility : | 0.171 mg/ml ; 0.000691 mol/l |
Class : | Soluble |
Log S (Ali) : | -2.65 |
Solubility : | 0.557 mg/ml ; 0.00225 mol/l |
Class : | Soluble |
Log S (SILICOS-IT) : | -2.73 |
Solubility : | 0.465 mg/ml ; 0.00187 mol/l |
Class : | Soluble |
PAINS : | 0.0 alert |
Brenk : | 2.0 alert |
Leadlikeness : | 1.0 |
Synthetic accessibility : | 1.65 |
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P280-P305+P351+P338-P310 | UN#: | N/A |
Hazard Statements: | H302-H315-H319-H332-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 |
---|---|---|
79% | With triethylamine; magnesium chloride In acetonitrile at 10 - 72℃; for 2 h; | 4-(nitrooxy)butyl (2R)-7-benzyl-6-chloro-2-(trifluoromethyl)-2H-chromene-3- carboxylate; Step 1; Preparation of 2-hydroxy-4-iodobenzaldehyde; [0168] To a chilled solution of commercially available 2-iodophenol (30 g, 136 mmole) in ACN was added MgCl2 (19.5 g, 204 mmole) portion-wise while maintaining the temperature below 10 0C, followed by paraformaldehyde (28.6 g, 954 mmole) and TEA (76 mL, 545 mmole) producing a 15 °C exotherm. The solution was heated to 72 0C for 2 h. The reaction was cooled to room temperature and poured into Saturated aqueous Ammonium Chloride (500 mL), extracted with ethyl acetate (2 X 150 mL). The combined organic phases were washed with aqueous NaHCO3 solution (2 X 150 mL), aqueous IN HCl solution (2 X 150 mL), and brine (2 X 150 mL), dried over Na2SO4, filtered and concentrated in vacuo. The crude material was subjected to flash chromatography (Silica, 5percent Ethyl acetate/ Hexane). Desired fractions were collected and combined, removed solvent in vacuo producing the ethyl ester (27 g, 79percent) as a yellow solid. This salicylaldehyde was of suitable purity to use without further purification. |
79% | With triethylamine; magnesium chloride In acetonitrile at 10 - 72℃; for 2 h; | [0232] To a chilled solution of commercially available 2-iodophenol (30 g, 136 mmole) in ACN was added MgCl2 (19.5 g, 204 mmole) portion-wise while maintaining the temperature below 10 °C, followed by PARAFORMALDEHYDE (28.6 g, 954 mmole) and TEA (76 mL, 545 mmole) producing a 15 °C exotherm. The solution was heated to 72 °C for 2 h. The reaction was cooled to room temperature and poured into Saturated aqueous Ammonium Chloride (500 mL), extracted with ethyl acetate (2 X 150 mL). The combined organic phases were washed with aqueous NAHC03 solution (2 X 150 mL), aqueous 1N HCL solution (2 X 150 mL), and brine (2 X 150 mL), dried OVER NA2S04, filtered and concentrated in vacuo. The crude material was subjected to flash chromatography (Silica, 5percent Ethyl ACETATE/HEXANE). Desired fractions were collected and combined, removed solvent in vacuo producing the ethyl ester (27 g, 79percent) as a yellow solid. This salicylaldehyde was of suitable purity to use without FURTHER PURIFICATION. HNMR (DMSO-D6/400 MHz) 10.95 (s, 1H), 10.19 (s, 1H), 7.33 (m, 3H), 4.31 (m, 1H). |
79% | With triethylamine; magnesium chloride In acetonitrile at 10 - 72℃; for 2 h; | EXAMPLE 14; (2R)-6-chIoro-5-(3,3-dimethylbutyl)-2-(trifluoromethyl)-l,7b- dihydrocyclopropa[c]chromene-la(2H)-carboxylic acid; Step 1. Preparation of 2-hydroxy-4-iodobenzaldehyde.; [0185] To a chilled solution of commercially available 2-iodophenol (30 g, 136 mmole) in ACN was added MgCl2 (19.5 g, 204 mmole) portion-wise while maintaining the temperature below 10 0C, followed by paraformaldehyde (28.6 g, 954 mmole) and TEA (76 niL, 545 mmole) producing a 15 °C exotherm. The solution was heated to 72 0C for 2 h. The reaction was cooled to room temperature and poured into Saturated aqueous Ammonium Chloride (500 mL), extracted with ethyl acetate (2 X 150 niL). The combined organic phases were washed with aqueous NaHCO3 solution (2 X 150 mL), aqueous IN HCl solution (2 X 150 mL), and brine (2 X 150 mL), dried over Na2SO4, filtered and concentrated in vacuo. The crude material was subjected to flash chromatography (Silica, 5percent Ethyl acetate/ Hexane). Desired fractions were collected and combined, removed solvent in vacuo producing the ethyl ester (27 g, 79percent) as a yellow solid. This salicylaldehyde was of suitable purity to use without further purification. 1HNMR (DMSO-J6/400 MHz) 10.95 (s, IH), 10.19 (s, IH), 7.33 (m, 3H), 4.31 (m, IH). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
50% | With triethylamine; magnesium chloride In acetonitrileCooling with ice | 10 g (45 mmol) of 3-iodobenzoic acid was dissolved in 160 ml of anhydrous acetonitrile, 12.8 g (134 mmol) of anhydrous magnesium chloride was added thereto in portions under ice-cooling, followed by addition of 25.3 ml of triethylamine, (636 mmol) of paraformaldehyde was added in batches, and the reaction was quenched by adding 1 M HC1 to adjust the pH to 5. After the reaction, the mixture was extracted with ethyl acetate. The organic phase was dried over anhydrous sodium sulfate and the solvent was passed through 100- 200 mesh silica gel column chromatography, eluting with petroleum ether to give 15.6 g of intermediate, 50percent yield |
36% | With triethylamine; magnesium chloride In acetonitrileReflux; Inert atmosphere | To a dry CH3CN solution (10 mL) of the 1.1 g phenol (5 mmol), anhydrous magnesium chloride (1.42 g, 15 mmol), triethylamine (5.5 mL, 40 mmol) and paraformaldehyde (2.1 g, 70 mmol) were added. The reaction mixture was heated to reflux under an argon atmosphere for overnight and monitored by TLC. Upon cooling, the reaction mixture was dilute with diethyl ether (20 mL). The organic layer was washed successively with HCl (1 M, 2*10 mL) and water (2*10 mL), and then dried (MgSO4). The product was puried by column chromatography (PE EA = 50:1) to afford 0.451 g (36percent) 4b’ as white solid. |
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