Structure of 3-Formylbenzonitrile
CAS No.: 24964-64-5
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The BI-3802 was designed by Boehringer Ingelheim and could be obtained free of charge through the Boehringer Ingelheim open innovation portal opnMe.com, associated with its negative control.
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CAS No. : | 24964-64-5 |
Formula : | C8H5NO |
M.W : | 131.13 |
SMILES Code : | N#CC1=CC=CC(C=O)=C1 |
MDL No. : | MFCD00003344 |
InChI Key : | HGZJJKZPPMFIBU-UHFFFAOYSA-N |
Pubchem ID : | 90670 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H315-H319-H335 |
Precautionary Statements: | P261-P305+P351+P338 |
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 | 0.0 |
Molar Refractivity | 36.54 |
TPSA ? Topological Polar Surface Area: Calculated from |
40.86 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
1.25 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
1.18 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
1.37 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
0.77 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
1.96 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
1.3 |
Log S (ESOL):? ESOL: Topological method implemented from |
-1.77 |
Solubility | 2.2 mg/ml ; 0.0168 mol/l |
Class? Solubility class: Log S scale |
Very soluble |
Log S (Ali)? Ali: Topological method implemented from |
-1.63 |
Solubility | 3.05 mg/ml ; 0.0232 mol/l |
Class? Solubility class: Log S scale |
Very soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-2.4 |
Solubility | 0.528 mg/ml ; 0.00403 mol/l |
Class? Solubility class: Log S scale |
Soluble |
GI absorption? Gatrointestinal absorption: according to the white of the BOILED-Egg |
High |
BBB permeant? BBB permeation: according to the yolk of the BOILED-Egg |
Yes |
P-gp substrate? P-glycoprotein substrate: SVM model built on 1033 molecules (training set) |
No |
CYP1A2 inhibitor? Cytochrome P450 1A2 inhibitor: SVM model built on 9145 molecules (training set) |
Yes |
CYP2C19 inhibitor? Cytochrome P450 2C19 inhibitor: SVM model built on 9272 molecules (training set) |
No |
CYP2C9 inhibitor? Cytochrome P450 2C9 inhibitor: SVM model built on 5940 molecules (training set) |
No |
CYP2D6 inhibitor? Cytochrome P450 2D6 inhibitor: SVM model built on 3664 molecules (training set) |
No |
CYP3A4 inhibitor? Cytochrome P450 3A4 inhibitor: SVM model built on 7518 molecules (training set) |
No |
Log Kp (skin permeation)? Skin permeation: QSPR model implemented from |
-6.26 cm/s |
Lipinski? Lipinski (Pfizer) filter: implemented from |
0.0 |
Ghose? Ghose filter: implemented from |
None |
Veber? Veber (GSK) filter: implemented from |
0.0 |
Egan? Egan (Pharmacia) filter: implemented from |
0.0 |
Muegge? Muegge (Bayer) filter: implemented from |
1.0 |
Bioavailability Score? Abbott Bioavailability Score: Probability of F > 10% in rat |
0.55 |
PAINS? Pan Assay Interference Structures: implemented from |
0.0 alert |
Brenk? Structural Alert: implemented from |
1.0 alert: heavy_metal |
Leadlikeness? Leadlikeness: implemented from |
No; 1 violation:MW<1.0 |
Synthetic accessibility? Synthetic accessibility score: from 1 (very easy) to 10 (very difficult) |
1.29 |
* 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% | General procedure: 3-Cyanobenzaldehyde (11a) or 4-cyanobenzaldehyde (11b) (15 mmol) and malonic acid (30 mmol) were dissolved in pyridine (30 mL). Piperidine (3.0 mmol) was added and the reaction was heated for 4 h at 100 C. The reaction was cooled to room temperature and 5 M HCl (25 mL) was added slowly. The resulting white precipitate was collected by filtration, washed with water and dried to give (E)-3-cyanocinnamic acid (12a) or (E)-4-cyanocinnamic acid (12b) in yields of 81% and 78%, respectively. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With n-butyllithium; In tetrahydrofuran; at -78℃; for 0.5h; | To a solution of <strong>[197007-87-7](4-bromo-pyridin-3-yl)-methanol</strong> (53 mg 0.2 mmol) in THF (2 ml_) at -78C was added dropwise 2.5 M n-butyllithium (0.24 mL, 0.6 mmol). After 15 min a solution of 3-cyanobenzaldehyde (79 mg) in THF (0.5 ml) was added. The reaction mixture was stirred for 15 min, then quenched with ammonium chloride solution and extracted with ethyl acetate. The organic layer was dried over sodium sulfate, concentrated and the residue purified by flash chromatography to yield 3-{hydroxy-[3-(hydroxy-phenyl-methyl)-pyridin-4- yl]-methyl}-benzonitrile as white crystals.LCMS: 2.250 min, m/z: 317 (M + 1). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With n-butyllithium; In tetrahydrofuran; at -78℃; for 0.5h; | To a solution of <strong>[197007-87-7](4-bromo-pyridin-3-yl)-methanol</strong> (20 mg, 0.11 mmol) inTHF (1 ml_) at -78C was added dropwise 2. 5M ?-butyllithium (0.22 ml_). After 15 min, a solution of 3-cyanobenzaldehyde (69 mg) in THF (0.5 ml_) was added. The reaction mixture was stirred for 15 min, then quenched with ammonium chloride solution and extracted with ethyl acetate. The organic layer was dried over sodium sulfate, concentrated, and the residue purified by flash chromatography to yield 3-[hydroxy-(3-hydroxymethyl-pyridin-4-yl)- methyl]-benzonitrile as a white solid. | |
With n-butyllithium; In tetrahydrofuran; at -78℃; for 0.5h; | To a solution of <strong>[197007-87-7](4-bromo-pyridin-3-yl)-methanol</strong> (20 mg, 0.11 mmol) inTHF (1 mL) at -78C was added dropwise 2. 5M n-butyllithium (0.22 mL). After 15 min, a solution of 3-cyanobenzaldehyde (69 mg) in THF (0.5 mL) was added. The reaction mixture was stirred for 15 min, then quenched with ammonium chloride solution and extracted with ethyl acetate. The organic layer was dried over sodium sulfate, concentrated, and the residue purified by flash chromatography to yield 3-[hydroxy-(3-hydroxymethyl-pyridin-4-y|)- methyl]-benzonitrile as a white solid. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
31% | With hydrogenchloride; In hexane; ethyl acetate; toluene; | A. Preparation of tert-butyl 2-methoxycarbonyl-3-(3-cyanophenyl)-acrylate. To a solution of 3-cyanobenzaldehyde (0.700 g, 5.34 mmol) and t-butyl methyl malonate (0.845 mL, 5.00 mmol) in toluene (40 mL), piperidine (0.500 mL, 5.06 mmol) was added. The mixture was heated to reflux overnight. Dean-Stark apparatus was used to remove generated water. Ethyl acetate (50 mL) and 0.5 N HCl (50 mL) were added. Organic phase was separated, washed with saturated aq. NaHCO3, dried over Na2SO4, concentrated in vacuo to give an oil. The oil was dry-packed onto a silica gel column, eluted with hexane first, then with 5percent to 10percent EtOAc in hexane gradually to give the desired product as a mixture of E and Z isomers (0.44 g) (yield: 31percent). 1H NMR (CDCl3) 7.78-7.57 (m, 3H), 7.57-7.43 (m, 1H), 3.88 (s, 3H, minor isomer), 3.85 (s, 3H, major isomer), 1.53 (br. s, 9H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With malonic acid; | (a) 3-Cyanocinnamic acid 3-Cyanobenzaldehyde was reacted with malonic acid by the method described in Example 2(a) to give the title product, m.p. ca 240 C. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Example 229 3-(3-Cyano-benzylamino)-4-methoxy-N-phenyl-benzamide The title compound has been made using the procedure of Example 50, but using 3-amino-4-methoxy-N-phenyl benzamide and 3-cyanobenzaldehyde as starting materials, which are commercially available from Aldrich; m.p. 172-174 C. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
70% | General procedure: All materials were dried for one day at 120 C. Chloride and carbonyl derivatives were introduced into a Schlenk of 30 mL. Products were put in vacuo, then under nitrogen. An appropriate volume of anhydrous DMF was added after 10 min of nitrogen bubbling. The solution was vigorously stirred for 20 min at -20 C. TDAE was added slowly under inert atmosphere. The reaction was stirred for one hour. The second reaction phase was performed at rt or at temperature according to procedure of synthesis. The reaction was hydrolysed with distilled water after TLC analysis clearly showed that the chloride 1 had been totally consumed. The aqueous solution was extracted with dichloromethane and the combined organic layers washed with brine then dried on MgSO4. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
94.8% | To the reactor was added 100 mmol of the compound of formula (I), 500 ml of benzene and 180 mmolSilver acetate,Then stir and mixAdd 5-10 minutes, continue to stir by adding 10mmol1-cyanopropyl-3-methylimidazolium tetrafluoroborate and120 mmolO-nitrobenzoic acid,After the addition, the mixture was heated to 80 C and stirred for 8 hours.After completion of the reaction, the reaction system was allowed to cool to room temperature, and then the solvent was removed under reduced pressure. The residue was passed through a silica gel columnChromatographic separation in which a mixed solution of acetone and n-hexane in a volume ratio of 1: 2 was used as an eluent to give a compound of formula (I)And the yield was 94.8% |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
72% | With acetic acid; In ethanol; at 80℃; for 0.166667h;Microwave irradiation; | General procedure: A mixture of compound 2 (0.0549 g, 0.0003 mol), the appropriate aromatic aldehyde (0.00033 mol) and glacial acetic acid (0.1 mL) in ethanol (5 mL) was heated under microwave (20 W) at 80 °C for 10 min. On cooling, the precipitated solid was collected by filtration, washed with water, dried and crystallized to give compounds 3-29. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
92% | With potassium carbonate; In water; at 20℃; for 1h; | General procedure: A mixture of bromine chloride resin and K2CO3 in MeOH?H2O (8:2) 3 mL was placed in a round-bottom flask fitted with amagnetic stirrer. To this, the aldehyde (1 mmol, 1 equiv) was added dropwise, and the reaction mixture stirred at r.t. The progress of the reaction was monitored by TLC. After completionof the reaction the mixture was filtered, and the filtrate was extracted with Et2O. The ether layer was washed with H2O, brine, dried over Na2SO4, filtered, and concentrated. The residue was purified by column chromatography, if required, over silicagel (60?120 mesh) using a mixture of PE and EtOAc (9:1) as eluent. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
88% | With Cumene hydroperoxide; tetrabutylammomium bromide; In acetonitrile; at 70℃; for 15h;Green chemistry; | General procedure: Methyl 2-amino-3-(1H-indol-3-yl) propanoate hydrochloride 1a (5.0 mmol, 1274 mg, 1.0 equiv) was added to a mixture of TBAB (4.0 mmol, 1302 mg, 0.8 equiv) and benzaldehyde 2a (7.5 mmol, 800 μL, 1.5 equiv) under air, and then cumyl hydroperoxide (15.0 mmol, 2700 μL, 3.0 equiv) and CH3CN (40 mL) were added. After the mixture was stirred at 70 C for 15 h, the residue was mixed with silica gel and concentrated. The resulting mixture was purified by silica gel column chromatography on silica gel with petroleum ether : ethyl acetate (8:1) as eluent to give the desired product methyl 1-phenyl-9H-pyrido[3,4-b]indole-3-carboxylate 3aa (1.2 g, 80%). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
71% | for 0.183333h;Microwave irradiation; | General procedure: Second step consists of condensation of <strong>[6761-52-0]3-aminopyrazine-2-carbohydrazide</strong> (0.5 gm, 0.003 mol) with aromatic aldehydes (0.5 gm, 0.008 mol) using microwaveirradiation (8 - 10 min, 350 W). After cooling and filtration,the product was recrystallized using ethanol [6, 9] (Fig. 1). |