Tag: M.W=100-200

Reference of 22364-68-7, Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 22364-68-7, name is 2-(o-Tolyl)acetonitrile, This compound has unique chemical properties. The synthetic route is as follows.

Part A Preparation of ethyl 2-(alpha-cyano-2′-methylphenylacetyl)cyclohexyl carboxylate Using the procedure described in Example I, Part A, and starting with 159.80 g (0.700 mol) of diethyl 1,2-cyclohexanedicarboxylate, 61.65 g (0.47 mol) of 2-methylbenzyl cyanide, 14.06 g (0.61 mol) of sodium, and 250 ml of ethanol, 87.74 g (60% yield) of the desired cyano keto ester was obtained as a red, viscous oil.

The chemical industry reduces the impact on the environment during synthesis 2-(o-Tolyl)acetonitrile. I believe this compound will play a more active role in future production and life.

Some common heterocyclic compound, 120351-94-2, name is 3-(2-Aminoethoxy)benzonitrile, molecular formula is C9H10N2O, traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route. Quality Control of 3-(2-Aminoethoxy)benzonitrile

Example 27 Synthesis of N-[2-(3-amidinophenoxy)ethyl]-3-(2-aminoethoxy)benzamidine tristrifluoroacetate: 10 ml of ethanol containing 30 % (w/v) of hydrogen chloride was added to 1.75 g (8.84 mmol) of 3-(2-aminoethoxy)benzonitrile, and the resultant mixture was stirred at room temperature for 22 hours. The solvent was evaporated under reduced pressure, and the residue was dissolved in 10 ml of 10 % (w/v) solution of ammonia in ethanol. The obtained solution was stirred at room temperature for 31 hours. The solvent was evaporated, and the obtained residue was purified by the reversed-phase high-performance liquid chromatography with silica gel, containing octadodecyl group chemically bonded thereto, as the filler. After the elution with a mixed solvent of water and acetonitrile containing 0.1 % (v/v) of trifluoroacetic acid, the fraction of the intended product was freeze-dried to obtain the title compound. Yield: 134 mg (0.195 mmol) (2.2 %). MS (ESI, m/z) 342 (MH+) H-NMR (DMSO-d6) delta 3.20-3.23 (2H, m), 3.81-3.85 (2H, t), 4.24 (2H, dd), 4.38 (2H, dd), 7.25-7.40 (4H, m), 7.50-7.60 (4H, m), 8.18 (2H, brs), 9.60 (4H, t).

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 120351-94-2, its application will become more common.

Related Products of 6136-93-2,Some common heterocyclic compound, 6136-93-2, name is 2,2-Diethoxyacetonitrile, molecular formula is C6H11NO2, traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route.

To a solution of diethoxyacetonitrile (1 ,120 g, 930 mmol) in MeOH (500 ml_) was added a 17% solution of (NH4)2S in H20 (440 ml_) at rt. The mixture was stirred at rt overnight. The mixture was evaporated in vacuo to approximately 100 ml_ volume and filtered. The solid was washed with cooled water and dried in vacuo to afford the title compound 2 (92 g, 61 %) as a white solid, which was used as such in next step.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 2,2-Diethoxyacetonitrile, its application will become more common.

Application of 69395-13-7, These common heterocyclic compound, 69395-13-7, name is 4-(2-Hydroxyethyl)benzonitrile, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route.

Step A Preparation of 4-(2-hydroxyethyl)benzylamine A solution of 0.74 g (0.005 mol) of p-cyanophenethyl alcohol in 50 ml of ethanol containing 10 ml of concentrated hydrochloric acid was hydrogenated at 30 psi using 0.1 g 5% Pd/C for 72 hours. The catalyst was removed by filtration and the solvent was removed under reduced pressure.

Statistics shows that 4-(2-Hydroxyethyl)benzonitrile is playing an increasingly important role. we look forward to future research findings about 69395-13-7.

Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 96606-37-0, name is 2,4,6-Trifluorobenzonitrile, This compound has unique chemical properties. The synthetic route is as follows., COA of Formula: C7H2F3N

In one embodiment,The 6 mmol of the second reactant was dissolved in 15 ml to 25 ml of the first solvent tetrahydrofuran, and then 0.5 mmol to 2 mmol of the first additive sodium hydride was slowly added.The reaction is carried out for 20-50 minutes under room temperature conditions and under nitrogen.Then add 2 mmol of the first reactant and continue the reaction for 12 hoursTo obtain a mixture including the electroluminescent material.The mixture of the electroluminescent material is cooled to room temperature and poured into distilled water.Extraction with a first extraction solvent, and then washing with a first detergent,Drying with a first desiccant, and then performing chromatography,Obtain the first crude product, and then use the first eluent to obtain the electroluminescent material, and the electroluminescent material is a white solid,The yield was 64%.

According to the analysis of related databases, 96606-37-0, the application of this compound in the production field has become more and more popular.

Adding a certain compound to certain chemical reactions, such as: 628-20-6, name is 4-Chlorobutyronitrile, belongs to nitriles-buliding-blocks compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 628-20-6, category: nitriles-buliding-blocks

A solution of 4-chlorobutyronitrile (2.5 mmol) in dimethylformamide (1 mL) was added during 1.5h to a mixture of the arylamine (2.5 mmol), Cs2CO3 (2.5 mmol) and KI (5 mmol) in dimethylformamide (4 mL). The mixture was stirred at the indicated temperature and time. After completion of the reaction, as indicated by TLC, the mixture was treated with ethyl ether (50 mL) and water (10 mL). The aqueous phase was separated and extracted with ethyl ether (30 mL). The combined organic layers were dried over anhydrous sodium sulphate and filtered. The solvent was evaporated in vacuo. The crude product was purified by column chromatography (Silica gel, hexane:DCM).

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76469-88-0, name is Methyl 4-(cyanomethyl)benzoate, belongs to nitriles-buliding-blocks compound, is considered to be a conventional heterocyclic compound, which is widely used in drug synthesis. The chemical synthesis route is as follows. name: Methyl 4-(cyanomethyl)benzoate

j00372j To a solution of product from Step 2 (200 mg, 0.695 mmol) in methanol (30 mL) were added methyl 4-(cyanomethyl)benzoate (0.83 4 mmol) and NaOH (1.39 mmol). The resulting mixture was stirred at 50C for 4h. After the reaction mixture was cooled, it was diluted with THF (20 mL) then stirred at room temperature for 10 minutes. The solids were isolated by filtration to provide the title compound (202 mg, 65%) as a yellow solid. LCMS [M+H]: 444.9.

The synthetic route of 76469-88-0 has been constantly updated, and we look forward to future research findings.

Synthetic Route of 5414-21-1, In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. 5414-21-1, name is 5-Bromovaleronitrile belongs to nitriles-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below.

To a solution of 5-bromovaleronitrile (5.12 g, 30.0 mmol) in DMF (40 mL) was added potassium phthalimide (6.00 g, 32.4 mmol). The above suspension was heated at 60 oC for 16 h, concentrated, and partitioned between H20 and DCM. The DCM layer was separated, washed with HA0 (3x) and brine, dried over NA2S04, and concentrated to give the title compound (6.84 g, quantitative yield) as a white solid. 1H NMR (CDC13) : delta 7.87-7. 80 (m, 2H), 7.76-7. 70 (m, 2H), 3.73 (t, 2H, J= 6. 1HZ), 2.43 (t, 2H, J= 7.1 Hz), 1.89-1. 82 (m, 2H), 1.74-1. 67 (m, 2H).

In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles, 5-Bromovaleronitrile, other downstream synthetic routes, hurry up and to see.

Adding a certain compound to certain chemical reactions, such as: 3598-14-9, name is Phenoxyacetonitrile, belongs to nitriles-buliding-blocks compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 3598-14-9, name: Phenoxyacetonitrile

A mixture of 1 g of phenoxyacetonitrile, 2.4 g of K2CO3 and 1.2 g of hydroxylamine hydrochloride in 60 ml of EtOH and 10 ml of water is heated at reflux for 3 hours. The reaction mixture is concentrated under vacuum and the residue is taken up in water and extracted with AcOEt. The organic phase is extracted with 1N HCl solution, the aqueous phase is alkalified by adding 1N NaOH solution, extracted with AcOEt and dried over MgSO4, and the solvent is evaporated under vacuum. This gives 0.9 g of the expected compound in the form of a colourless oil which crystallizes. 1H NMR: CDCl3 (300 MHz): delta (ppm): 4.56: s: 2H; 4.90: s: 2H; 6.95-7.02: m: 3H; 7.26-7.32: m: 2H.

In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles, Phenoxyacetonitrile, other downstream synthetic routes, hurry up and to see.

Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 3598-13-8, name is 2-(4-Chlorophenoxy)acetonitrile, This compound has unique chemical properties. The synthetic route is as follows., category: nitriles-buliding-blocks

To a solution of potassium tert-butoxide (1.72 g, 15.4 mmol) in DMF (15 ml) cooled at 30 C., was added dropwise a solution of 2-fluoro-4-nitro-benzyloxybenzene (1.73 g, 7 mmol) and 4-chlorophenoxyacetonitrile (1.29 g, 7.7 mmol) while maintaining the temperature below -25 C. After completion of addition, the mixture was stirred for 30 minutes at -20 C. and then poured onto a mixture of cold 1N hydrochloric acid and ether. The organic layer was separated, washed with 1N sodium hydroxide, followed by water, brine, dried (MgSO4). The volatiles were removed under vacuum and the residue was purified by column chromatography eluding with methylene chloride/petroleum ether (3/1) to give a mixture of 3-cyanomethyl-2-fluoro-4-nitrobenzyloxybenzene and 5-cyanomethyl-2-fluoro-4-nitrobenzyloxybenzene (1.2 g, 60%). 1H NMR Spectrum: (DMSOd6) 4.22 (s, 2H, 3-cyanomethyl isomer); 4.3 (s, 2H, 5-cyanomethyl isomer); 5.32 (s, 2H, 5-cyanomethyl isomer); 5.36 (s, 2H, 3-cyanomethyl isomer); 7.3-7.7 (m, 6H); 8.1 (d, 1H, 3-cyanomethyl isomer); 8.2 (d, 1H, 5-cyanomethyl isomer)

Chemical properties determine the actual use. Each compound has specific chemical properties and uses. We look forward to more synthetic routes in the future to expand reaction routes of 3598-13-8.