Continuously updated synthesis method about 6306-60-1

According to the analysis of related databases, 6306-60-1, the application of this compound in the production field has become more and more popular.

In the chemical reaction process, reaction time, type of solvent, can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product. An updated downstream synthesis route of 6306-60-1 as follows. Formula: C8H5Cl2N

EXAMPLE IV A mixture of 18.5 parts of 2,4-dichlorobenzeneacetonitrile and 180 parts of N,N-dimethylformamide is stirred and cooled in an ice-bath while nitrogen gas is introduced. 3.2 Parts of a sodium hydroxide solution 78% are added portionwise and the whole is stirred for one hour. Then there are added dropwise, during a one hour-period, 17.8 parts of (bromomethyl)cyclohexane while still cooling and while nitrogen gas is still introduced. Upon completion, stirring is continued for 2 hours at room temperature. The reaction mixture is poured onto water. The precipitated product is filtered off and triturated in a mixture of methanol and water. The product is filtered off and dried, yielding 25.5 parts of 2,4-dichloro-alpha-(cyclohexylmethyl)benzeneacetonitrile; mp. 58.8 C.

According to the analysis of related databases, 6306-60-1, the application of this compound in the production field has become more and more popular.

Reference:
Patent; Janssen Pharmaceutica N.V.; US4598085; (1986); A;,
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Extended knowledge of (E)-Cinnamonitrile

The synthetic route of (E)-Cinnamonitrile has been constantly updated, and we look forward to future research findings.

Synthetic Route of 1885-38-7, 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. 1885-38-7, name is (E)-Cinnamonitrile belongs to nitriles-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below.

To a stirred solution of cinnamonitrile (2.5 g, 19.38 mmol) in MeOH (50 mL) was added Br2 (6.2 g, 38.76 mmol) dropwise at 0oC. Then the reaction mixture was warmed to room temperature and stirred overnight. The resulting mixture was poured into water (50 mL) and basified with solid NaHCO3. The resulting mixture was extracted with EtOAc (3*50 mL). The combined organic layers were concentrated under reduced pressure. The residue was purified by CC on silica gel eluting with PE : EA =10:1 to PE : EA =4:1 to give 2,3-dibromo-3- phenylpropanenitrile (3.2 g) as a oil. (yield, 57.7 %). LC/MS (ESI, m/z): [M+1]+ = 290.1.

The synthetic route of (E)-Cinnamonitrile has been constantly updated, and we look forward to future research findings.

Reference:
Patent; KYMERA THERAPEUTICS, INC.; MAINOLFI, Nello; JI, Nan; KLUGE, Arthur F.; (282 pag.)WO2019/140387; (2019); A1;,
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Sources of common compounds: 134450-56-9

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 4,5-Difluorophthalonitrile, its application will become more common.

Related Products of 134450-56-9,Some common heterocyclic compound, 134450-56-9, name is 4,5-Difluorophthalonitrile, molecular formula is C8H2F2N2, 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.

Difluorophthalonitrile (30 g, 183 mmol) was added to 1-chloronaphthalene (150 ml) in which BCl3 (14 g, 120 mmol) was dissolved, and the mixture was heated to reflux under a nitrogen atmosphere. Afier cooling, the mixture was separated and purified by silica chromatography, and then a product was purified by sublimation and purification to obtain F6-SubPc-Cl (11 g, yield 34%).

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 4,5-Difluorophthalonitrile, its application will become more common.

Reference:
Patent; SONY SEMICONDUCTOR SOLUTIONS CORPORATION; OBANA, Yoshiaki; NEGISHI, Yuki; HASEGAWA, Yuta; TAKEMURA, Ichiro; ENOKI, Osamu; MOGI, Hideaki; MATSUZAWA, Nobuyuki; (67 pag.)US2017/54089; (2017); A1;,
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Simple exploration of 115279-57-7

According to the analysis of related databases, 115279-57-7, the application of this compound in the production field has become more and more popular.

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. 115279-57-7, name is 2-(4-Aminophenyl)-2-methylpropanenitrile, This compound has unique chemical properties. The synthetic route is as follows., Computed Properties of C10H12N2

A mixture of compound 3 (6.75g, 0.0215mol) and 2-(4-aminophenyl)-2-methylpropanenitrile (compound 4, 3.72g, 0.0233mol) in 2-propanol (25ml) was heated at reflux for 30min. The precipitated solid was collected and dried to give ethyl 6-bromo-4-(4-(2-cyanopropan-2-yl)phenylamino)quinoline-3-carboxylate (compound 5, 8.35g, 88.9%) as a bright yellow solid.

According to the analysis of related databases, 115279-57-7, the application of this compound in the production field has become more and more popular.

Reference:
Patent; ADVENCHEN PHARMACEUTICALS, LLC; GUOQING, Paul, Chen; CHANGREN, Yan; MONICA, Chen; (33 pag.)WO2017/11363; (2017); A1;,
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Simple exploration of C8H5BrFN

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, 4-Bromo-3-fluorophenylacetonitrile, other downstream synthetic routes, hurry up and to see.

Adding a certain compound to certain chemical reactions, such as: 499983-13-0, name is 4-Bromo-3-fluorophenylacetonitrile, 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 499983-13-0, COA of Formula: C8H5BrFN

A solution of 4-bromo-3-fluorophenylacetonitrile (Ig, 4.6 mmoles) in toluene (4 ml) is added with 0.6 ml (7 mmoles) of 1,2-dibromoethane, a 50% NaOH aqueous solution (4 ml) and tetrabutylammonium bromide (0.32 g, 1 mmoles). The mixture is kept under stirring at room temperature for 4 hours, then diluted with water and extracted with ethyl acetate. The organic phase is recovered and solvent is eliminated under vacuum to give a brown solid, which is subjected to silica gel chromatography purification, to afford an orange to yellow product in the solid form (I g, yield 90%).

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, 4-Bromo-3-fluorophenylacetonitrile, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; CHIESI FARMACEUTICI S.P.A.; PIVETTI, Fausto; FORNARETTO, Maria Gioia; RE, Marco; WO2011/15287; (2011); A2;,
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Simple exploration of 26391-06-0

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 26391-06-0.

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. 26391-06-0, name is 2-Cyano-N,N-diethylacetamide, This compound has unique chemical properties. The synthetic route is as follows., Application In Synthesis of 2-Cyano-N,N-diethylacetamide

A mixture of 3, 4-dihydroxy-5-Nitrobenzaldehyde(70 g; 382 mmole) , N, N- Diethylcyanoacetamide (107 g; 764 mmole) , piperidine (56.6ml; 573 mmole) , and acetic acid (32.8 ml; 573 mmole) in isopropanol (700 ml) is heated at reflux during approximately 3 hours. The resulting dissolution is cooled to room temperature and the resulting precipitate is kept in stirring at this temperature overnight. Finally, it is cooled at 0-50C, filtered off and washed with isopropanol (140 ml) . The resulting product is dried at 400C in a vacuum oven to provide 119 g (79.7 % yield) of an orange solid (m.p.= 152-4C; HPLC purity= 98.0 % (Z-isomer= 0.94 %) ) .IR (cm”1) : 3190, 3038, 2975, 2828, 2723, 2547, 2201, 1631, 1607, 1542, 1480, 1439, 1387, 1357, 1318, 1265, 1221, 1187, 1176, 1156, 1074, 1018, 948, 866, 834, 802, 782, 681, 638, 607, 562.1H-NMR (500 MHz, CD3OD): 7.94 (d, J= 2.4 Hz, IH); 7.65 (d, J= 2.4 Hz, IH) ; 7.47 (s, IH) ; 3.56 (q, J= 6.6 Hz; 4H) ; 3.35-3.16 (m, 4H); 1.84-1.80 (m, 4H); 1.74-1.71 (m, 2H); 1.29 (t, J= 6.6 Hz, 6H) .Analysis. Calculated for Ci4H14N3O5-C5H12N: C, 58.45; H, 6.17; N, 14.35. Found: C, 58.19; H, 6.52; N, 14.27.

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 26391-06-0.

Reference:
Patent; QUIMICA SINTETICA, S. A.; WO2008/98960; (2008); A1;,
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Extracurricular laboratory: Synthetic route of 115279-73-7

According to the analysis of related databases, 115279-73-7, the application of this compound in the production field has become more and more popular.

Application of 115279-73-7, In the chemical reaction process, reaction time, type of solvent, can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product. An updated downstream synthesis route of 115279-73-7 as follows.

To a solution of 4-hydroxy-3-methoxy-benzoic acid (90.0 mg; 0.54 mmol) in DCM (1.8 mL) were added few drops of DMF. Oxalyl chloride (180 uL; 2.12 mmol) was added dropwise to this solution, which then was stirred at room temperature for 16 hours. The solvent was evaporated under vacuum and the resulting yellow oil was dissolved in DCM (5.52 mL). This solution was added dropwise to a stirred mixture of l-(4-amino-phenyl)-cyclopentanecarbonitrile (100 mg; 0.54 mmol), prepared as in 3(B), and triethylamine (150 uL; 1.07 mmol) in DCM (4.6 mL). After stirring at room temperature for 3 hours, the solvent was evaporated under vacuum. The product was purified by preparative HPLC (Method Q), to yield the titled compound as a yellow oil (20.0 mg; 11% yield).1H NMR (300 MHz, CDC13) delta(ppm): 7.83 (br. s., 1 H), 7.64 (m, 2 H), 7.53 (d, 1 H), 7.43-7.50 (m, 2 H), 7.34 (dd, 1 H), 7.00 (d, 1 H), 3.99 (s, 3 H), 2.40-2.56 (m, 2 H), 1.84-2.17 (m, 6 H). LCMS (RT): 2.76 min (Method H); MS (ES+) gave m/z: 337.1 (MH+).

According to the analysis of related databases, 115279-73-7, the application of this compound in the production field has become more and more popular.

Reference:
Patent; ADDEX PHARMA SA; WO2008/117175; (2008); A2;,
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Discovery of 5866-98-8

The chemical industry reduces the impact on the environment during synthesis 2,6-Dichloro-3-nitrobenzonitrile. I believe this compound will play a more active role in future production and life.

Reference of 5866-98-8, 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. 5866-98-8, name is 2,6-Dichloro-3-nitrobenzonitrile, This compound has unique chemical properties. The synthetic route is as follows.

To a stirred solution of 2,6-dichloro-3-nitrobenzonitrile (750.0 g, 3.45 mol, 1.0 equiv.) in ethanol (7.5 L, 10.0 V) at 15-20 C. was slowly added hydrazine hydrate (519.0 g, 10.36 mol, 3.0 equiv.) while maintaining the reaction mass below 25 C (Observation: Addition is slightly exothermic and solid formation will begin upon addition). The reaction mixture temperature was slowly raised to room temperature and then the mixture was stirred for 3 h (Observation: the quantity of solids will increase during this time). After completion of the reaction (monitored by TLC), the mixture was diluted with water (7.5 L, 10.0 V) and further stirred for 1 h at room temperature. The solids were isolated via filtration and then were washed with water (2.25 L, 3.0 V). The wet solid was washed with a 1 : 1 ratio mixture of acetone (1.875 L, 2.5 V) and hexanes (1.875 L, 2.5 V). Bulk residual water was removed from the solids by maintaining vacuum filtration for 60-90 min. The wet solid was finally dried in a hot air oven for 7-8 h at 50 C (until moisture content reaches below 1.5%) to get the dried product, 4-chloro-7-nitro-li/-indazol-3 -amine (549.0 g, 75% yield) as a brick red- colored solid. NMR (400 MHz, CDCL): d 10.36 (bs, 1H), 8.20 (d, J= 8.4 Hz, 1H), 7.07 (d, J= 8.40 Hz, 1H), 4.73 (bs, 2H).

The chemical industry reduces the impact on the environment during synthesis 2,6-Dichloro-3-nitrobenzonitrile. I believe this compound will play a more active role in future production and life.

Reference:
Patent; VIIV HEALTHCARE UK (NO.5) LIMITED; IWUAGWU, Christiana; PEESE, Kevin M.; (0 pag.)WO2020/58844; (2020); A1;,
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Share a compound : 94087-40-8

The synthetic route of 3-Chloro-2-fluorobenzonitrile has been constantly updated, and we look forward to future research findings.

These common heterocyclic compound, 94087-40-8, name is 3-Chloro-2-fluorobenzonitrile, 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. COA of Formula: C7H3ClFN

General procedure: Into an oven-dried flask equipped with a magnetic stir bar was added aryl fluoride (1.00 g, 1.0 eq.), Na2S (1.1 eq.) and DMF (5 mL) under argon. The reaction mixture was stirred at room temperature for 1 h. Then 1 M NaOH (50 mL) was added and was washed with CH2Cl2 (2 x 25 mL). The aqueous layer was acidified to pH ~ 1-2 with 6 N HCl and extracted with CH2Cl2 (2 x 50 mL). The combined organic layer was washed with brine (50 mL), dried over MgSO4, filtered and concentrated under reduced pressure to provide a crude residue. To the residue was added 10% HCl (40 mL) and cooled with an ice-water bath. Then zinc dust (4 g) was added and the mixture was stirred for 1 h. Then EtOAc (100 mL) was added and the mixture was stirred for an additional 30 minutes. The organic layer was separated and washed with water (40 mL) and brine (40 mL), dried over MgSO4, filtered and concentrated to provide the desired product with satisfactory purity.

The synthetic route of 3-Chloro-2-fluorobenzonitrile has been constantly updated, and we look forward to future research findings.

Reference:
Article; Taldone, Tony; Patel, Pallav D.; Patel, Hardik J.; Chiosis, Gabriela; Tetrahedron Letters; vol. 53; 20; (2012); p. 2548 – 2551;,
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Analyzing the synthesis route of C7H5N3O2

According to the analysis of related databases, 6393-40-4, the application of this compound in the production field has become more and more popular.

Related Products of 6393-40-4, In the chemical reaction process, reaction time, type of solvent, can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product. An updated downstream synthesis route of 6393-40-4 as follows.

1g (6.1mmol) 4-Amino-3-nitrobenzonitrile was dissolved in 50ml ethanol and was subjected to hydrogenation using 35 psi of H2 and 10% Pd.C until the end of H2 uptake. The catalyst was filtered on a bed of Celite, washed with ethanol and concentrated in vacuo. Powder residue was used for the subsequent steps without crystallization. Yield: 88% (0.72g). Mp: 144-146C.14

According to the analysis of related databases, 6393-40-4, the application of this compound in the production field has become more and more popular.

Reference:
Article; Karaaslan, Cigdem; Kaiser, Marcel; Brun, Reto; Goeker, Hakan; Bioorganic and Medicinal Chemistry; vol. 24; 18; (2016); p. 4038 – 4044;,
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