Tag: M.W:500-600

In an article, published in an article, once mentioned the application of 86688-07-5, Name is (S)-2,2′-diiodo-1,1′-binaphthalene,molecular formula is C20H12I2, is a conventional compound. this article was the specific content is as follows.Product Details of 86688-07-5

A color photosensitive material for magenta coupler intermediate and its preparation method (by machine translation)

This invention relates to a color photosensitive material for magenta coupler intermediate, having the formula (I) indicated by the structure, the preparation method is to 2 – [3 – (4 – tert-butyl phenyl) – 1H – 1, 2, 4 – triazole – 5 – yl] acetic acid and 2, 6 – di-tert-butyl – 4 – methyl cyclohexanol as a raw material, in toluene, xylene, ethyl acetate, cyclohexane, normal heptane and the like of the organic solvent in the system, in the acetic anhydride under the catalytic action of, 35 – 60 C reaction 1 – 4h after, make the 4 – methyl – 2, 6 – di-tert-butyl cyclohexanol {1 – acetyl – 3 – [4 – tert-butyl phenyl] – 1H – 1, 2, 4 – triazole – 5 – yl} acetate. The invention simple preparation process, the reaction condition is warm, less steps, time is short, low energy consumption, after treatment is simple, the final product of relatively high purity and yield, is very suitable for industrial large-scale production. (by machine translation)

Do you like my blog? If you like, you can also browse other articles about this kind. Product Details of 86688-07-5. Thanks for taking the time to read the blog about 86688-07-5

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Chiral Catalysts,
Chiral catalysts – SlideShare

 

86688-07-5, A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 86688-07-5, Name is (S)-2,2′-diiodo-1,1′-binaphthalene, molecular formula is C20H12I2. In a Patent, authors is Sinopec Corporation£¬once mentioned of 86688-07-5

Catalytic hydrogenation process for preparing 2, 6 – di-tert-butyl -4 – methyl cyclohexanol (by machine translation)

The invention discloses a catalytic hydrogenation process for preparing 2, 6 – di-tert-butyl – 4 – methyl cyclohexanol, di-tert-butyl – 4 – methylphenol (BHT) with the supported catalyst is added to the high pressure in the reactor, the reaction after the end of the conversion of the BHT is 100%, 2, 6 – di-tert-butyl – 4 – methyl cyclohexanone selectivity is greater than 99.2%; the 2, 6 – di-tert-butyl – 4 – methyl cyclohexanone and compounding chemicals added to the high-pressure in the reactor, after the reaction 2, 6 – di-tert-butyl – 4 – methyl cyclohexanone conversion rate is 100%, 2, 6 – di-tert-butyl – 4 – methyl cyclohexanol selectivity is greater than 98.1%. The invention solves the technical problems of rigorous reaction conditions, the operation is complicated, environmental pollution, industrial application is difficult. (by machine translation)

Enzymes are biological catalysts that produce large increases in reaction rates and tend to be specific for certain reactants and products. I hope my blog about 86688-07-5 is helpful to your research., 86688-07-5

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Chiral Catalysts,
Chiral catalysts – SlideShare

 

351498-10-7, 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. 6,6′-((1E,1’E)-((2,3-Dimethylbutane-2,3-diyl)bis(azanylylidene))bis(methanylylidene))bis(2,4-di-tert-butylphenol), cas is 351498-10-7,the chiral-catalyst compound, it is a common compound, a new synthetic route is introduced below.

A 50 ml. flask was charged withLambda/,Lambda/-bis(3,5-di-te/t-butylsalicylidene)-1 ,1 ,2,2-tetramethylethenediamine (0.4302 g, 0.78 mmol, 1.0 equiv), EtOH (17 ml_), and Co(OAc)2 (0.1385 g, 0.78 mmol, 1.0 equiv). The mixture was degassed and then heated to reflux under nitrogen for 3 h, cooled to room temperature. The precipitate was filtered and the purple solid was washed with EtOH (10 ml.) and dried under high vacuum to give 0.3533 g (75%) of the cobalt(ll) complex.

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 6,6′-((1E,1’E)-((2,3-Dimethylbutane-2,3-diyl)bis(azanylylidene))bis(methanylylidene))bis(2,4-di-tert-butylphenol), 351498-10-7

Reference£º
Patent; VITAE PHARMACEUTICALS, INC.; CLAREMON, David, A.; LEFTHERIS, Katerina; ZHUANG, Linghang; TICE, Colin, M.; SINGH, Suresh, B.; YE, Yuanjie; WO2011/11123; (2011); A1;,
Chiral Catalysts
Chiral catalysts – SlideShare

 

It is a common heterocyclic compound, the chiral-catalyst compound, 6,6′-((1E,1’E)-((2,3-Dimethylbutane-2,3-diyl)bis(azanylylidene))bis(methanylylidene))bis(2,4-di-tert-butylphenol), cas is 351498-10-7 its synthesis route is as follows.,351498-10-7

Preparation of Cobalt(ll) Complex used in Step 2: A 50 mL flask was charged with lambda/,lambda/-bis(3,5-di-tert-butylsalicylidene)-1 , 1 ,2,2- tetramethylethenediamine (0.4302 g, 0.78 mmol, 1.0 equiv), EtOH (17 mL), and Co(OAc)2 (0.1385 g, 0.78 mmol, 1.0 equiv). The mixture was degassed and then heated to reflux under nitrogen for 3 h, cooled to room temperature. The precipitate was filtered and the purple solid was washed with EtOH (10 mL) and dried under high vacuum to give 0.3533 g (75%) of the cobalt(ll) complex.

With the complex challenges of chemical substances, we look forward to future research findings about 6,6′-((1E,1’E)-((2,3-Dimethylbutane-2,3-diyl)bis(azanylylidene))bis(methanylylidene))bis(2,4-di-tert-butylphenol)

Reference£º
Patent; VITAE PHARMACEUTICALS, INC.; WO2009/88997; (2009); A1;,
Chiral Catalysts
Chiral catalysts – SlideShare

 

As a common heterocyclic compound, it belongs to chiral-catalyst compound, name is 6,6′-((1E,1’E)-((2,3-Dimethylbutane-2,3-diyl)bis(azanylylidene))bis(methanylylidene))bis(2,4-di-tert-butylphenol), and cas is 351498-10-7, its synthesis route is as follows.,351498-10-7

A 50 mL flask was charged with N,N’-bis(3,5-di-tert-butylsalicylidene)-1,1,2,2-tetramethylethenediamine (0.430 g, 0.78 mmol, 1.0 equiv), EtOH (17 mL), and Co(OAc)2 (0.139 g, 0.78 mmol, 1.0 equiv). The mixture was degassed and then heated to reflux under nitrogen for 3 h, cooled to room temperature. The precipitate was filtered and the purple solid was washed with EtOH (10 mL) and dried under high vacuum to give 0.353 g (75%) of the cobalt(II) complex.

With the complex challenges of chemical substances, we look forward to future research findings about 351498-10-7,belong chiral-catalyst compound

Reference£º
Patent; Vitae Pharmaceuticals, Inc.; Boehringer Ingelheim International GmbH; US2010/331320; (2010); A1;,
Chiral Catalysts
Chiral catalysts – SlideShare

 

As a common heterocyclic compound, it belongs to quinuclidine compound,Quinuclidine-4-carboxylic acid hydrochloride,40117-63-3,Molecular formula: C8H14ClNO237,mainly used in chemical industry, its synthesis route is as follows.,351498-10-7

A 50 ml. flask was charged withLambda/,Lambda/-bis(3,5-di-te/t-butylsalicylidene)-1 ,1 ,2,2-tetramethylethenediamine (0.4302 g, 0.78 mmol, 1.0 equiv), EtOH (17 ml_), and Co(OAc)2 (0.1385 g, 0.78 mmol, 1.0 equiv). The mixture was degassed and then heated to reflux under nitrogen for 3 h, cooled to room temperature. The precipitate was filtered and the purple solid was washed with EtOH (10 ml.) and dried under high vacuum to give 0.3533 g (75%) of the cobalt(ll) complex.

With the complex challenges of chemical substances, we look forward to future research findings about 6,6′-((1E,1’E)-((2,3-Dimethylbutane-2,3-diyl)bis(azanylylidene))bis(methanylylidene))bis(2,4-di-tert-butylphenol),belong chiral-catalyst compound

Reference£º
Patent; VITAE PHARMACEUTICALS, INC.; CLAREMON, David, A.; LEFTHERIS, Katerina; ZHUANG, Linghang; TICE, Colin, M.; SINGH, Suresh, B.; YE, Yuanjie; WO2011/11123; (2011); A1;,
Chiral Catalysts
Chiral catalysts – SlideShare

 

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.351498-10-7,6,6′-((1E,1’E)-((2,3-Dimethylbutane-2,3-diyl)bis(azanylylidene))bis(methanylylidene))bis(2,4-di-tert-butylphenol),as a common compound, the synthetic route is as follows.

In a nitrogen atmosphere, add to the reactor,2,2 ‘-[(1,1,2,2-tetramethyl-1,2-ethylenediyl) bis (nitromethyl)] bis [4,6-bis (1,1-dimethyl (Ethyl)] phenol, 16.46g (30mmol),21.6 g (152 mmol) of boron trifluoride-ether complex,300ml toluene20 g (152 mmol) of N, N-diisopropylethylamine was stirred with heating at 40 C for 2.5 hours.Cool to room temperature, add 300ml of water, and separate the filtrate into organic and aqueous layers.The organic layer was washed twice with a saturated sodium carbonate aqueous solution and dried over magnesium sulfate.The obtained solid was recrystallized from toluene (150 ml) and ethanol (750 ml),This gave 18.78 g of crude product. The crude product is under pressure 3 ¡Á 10-3Pa,Sublimation at a temperature of 225 C gave compound [69] (light yellow solid)., 351498-10-7

351498-10-7 6,6′-((1E,1’E)-((2,3-Dimethylbutane-2,3-diyl)bis(azanylylidene))bis(methanylylidene))bis(2,4-di-tert-butylphenol) 135404188, achiral-catalyst compound, is more and more widely used in various fields.

Reference£º
Patent; TORAY ADVANCED MATERIALS RESEARCH LABORATORIES (CHINA) CO., LTD.; WAN, PENG; JIN, GUANGNAN; IKEDA, TAKESHI; LI, JINCAI; TANAKA, DAISAKU; (48 pag.)TW2019/25212; (2019); A;,
Chiral Catalysts
Chiral catalysts – SlideShare

 

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.351498-10-7,6,6′-((1E,1’E)-((2,3-Dimethylbutane-2,3-diyl)bis(azanylylidene))bis(methanylylidene))bis(2,4-di-tert-butylphenol),as a common compound, the synthetic route is as follows.

Compound Int-1a (733 mg, 1.33 mmol) was taken up in ethanol (10 mL) and the resulting suspension was heated to 80 C. and allowed to stir at this temperature for 5 minutes. Compound Int-1b (236 mg, 1.33 mmol) was then added and the resulting reaction was allowed to stir at 80 C. for an additional 2 hours. The reaction was then cooled to room temperature using in an ice bath and the reaction mixture was filtered. The collected red solid was dried under vacuum to provide compound Int-1c (579 mg, 72%)., 351498-10-7

The synthetic route of 351498-10-7 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; Merck Sharp & Dohme Corp.; Girijavallabhan, Vinay; Njoroge, F. George; Bogen, Stephane; Bennett, Frank; Verma, Vishal; Arasappan, Ashok; Chen, Kevin X.; Huang, Ying; Kerekes, Angela; Nair, Latha; Pissarnitski, Dimitri; Dang, Qun; Davies, Ian; Olsen, David B.; Stamford, Andrew; Vacca, Joseph P.; US2014/206640; (2014); A1;,
Chiral Catalysts
Chiral catalysts – SlideShare

 

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.351498-10-7,6,6′-((1E,1’E)-((2,3-Dimethylbutane-2,3-diyl)bis(azanylylidene))bis(methanylylidene))bis(2,4-di-tert-butylphenol),as a common compound, the synthetic route is as follows.

Preparation of Cobalt(II) ComplexA 50 mL flask was charged with N,N’-bis(3,5-di-tert-butylsalicylidene)-l, 1,2,2- tetramethylethenediamine (0.4302 g, 0.78 mmol, 1.0 equiv), EtOH (17 mL), and Co(OAc)2 (0.1385 g, 0.78 mmol, 1.0 equiv). The mixture was degassed and then heated to reflux under nitrogen for 3 h, cooled to room temperature. The precipitate was filtered and the purple solid was washed with EtOH (10 mL) and dried under high vacuum to give 0.3533 g (75%) of the cobalt(II) complex., 351498-10-7

The synthetic route of 351498-10-7 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; VITAE PHARMACEUTICALS, INC.; CLAREMON, David, A.; WO2010/91067; (2010); A2;,
Chiral Catalysts
Chiral catalysts – SlideShare