作者: crockery 時間: 2025-3-21 22:49 作者: 細(xì)絲 時間: 2025-3-22 02:12
Benign Chlorine-Free Approaches to Organophosphorus Compoundstabilizing agents, selective extractants for metal salts from ores, additives for petroleum products and corrosion inhibitors. Moreover, they are also endowed with metal binding properties, for this reason they have a paramount role in catalysis, being able to direct the activity and selectivity of 作者: 供過于求 時間: 2025-3-22 08:22
Hypophosphorous Acid and Its Salts as Reagents in Organophosphorus Chemistryficant applications of phosphorus compounds as reagents in future synthesis. Usually, organophosphorus derivatives are obtained starting from phosphorus trichloride or phosphoryl chloride, although the final products do not have reactive phosphorus–chlorine bonds. In the last period the interest is 作者: 評論者 時間: 2025-3-22 08:53
Catalytic Processes for Environmentally Friendly Methylene Diphenyl Diisocyanate Productionhosgene, in the conversion of MDA to the corresponding isocyanates. Huge quantities of sodium chloride, contaminated with organic compounds, are produced during process, and their disposal is a relevant issue..New processes during the last 20?years have been studied in order to avoid the use of both作者: Obituary 時間: 2025-3-22 13:14 作者: Obituary 時間: 2025-3-22 18:25 作者: keloid 時間: 2025-3-22 23:10
Chlorine-Free Biomass Processing: Enzymatic Alternatives for Bleaching and Hydrolysis of Lignocellul and in the hydrolysis of lignocellulosic materials for the production of biomass sugar syrups and, ultimately, biofuels and chemicals. The advantages and disadvantages of the current chemical processes, their effects on the organisms and the environment, and the options for biocatalytic routes are 作者: 龍蝦 時間: 2025-3-23 02:46
Substitution of Chloride Chemicals with Degradable Bioflocculants for Sedimentation of Suspended Pare chlorine is the major element used for disinfection of drinking water. The chlorine chemicals which are highly effective and low cost are also nondegradable and after use the compounds and their derivatives can be detected in the environment and in estuaries. In the case of pretreatment of seawate作者: Exposure 時間: 2025-3-23 05:32
A Green Method for Potentially Recycling Condensation Polymers: Ring-Chain Recyclingon (ED-ROP), a green method of polymer synthesis that has considerable commercial potential. It also discusses the synthesis of the required macrocyclic starting materials by the cyclodepolymerization (CDP) of the same condensation polymers. Both reactions are based on ring-chain equilibria (RCE), t作者: 鴿子 時間: 2025-3-23 13:37
Polymers Beyond Chlorineof simple methods to substantially alter polymer characteristics by adding chlorine has resulted in increasing interest in obtaining and utilizing new chlorine-containing polymers. Chlorine processes are used on a large scale not only to produce chlorine-containing polymer compounds but also in the 作者: insurgent 時間: 2025-3-23 14:48 作者: 懶惰人民 時間: 2025-3-23 20:05
Research Progress in the Phosgene-Free and Direct Synthesis of Dimethyl Carbonate from CO2 and Metha. DMC is considered as an environmentally benign compound and unique intermediate with versatile chemical reactivity. However, the traditional process of DMC synthesis via phosgene and methanol or methanol exchange is limited owing to the toxic raw material involved. Thus, environmentally friendly p作者: 船員 時間: 2025-3-24 00:18
The Halogen-Less Catalytic Transition Metal-Mediated Cross-Coupling Reactions: A Sustainable Alternadiscovered (but not developed) already in late 1960s direct oxidative (dehydrogenative) transition metal-mediated C-C coupling reactions, run via formal double C-H bond activation, which do not require utilisation of substrates activated by halogens.作者: meretricious 時間: 2025-3-24 05:38
Benign Chlorine-Free Approaches to Organophosphorus Compoundsmarize the latest findings on “green” synthetic approaches towards organophosphorus derivatives. Reactions of elemental phosphorus with organic molecules by means of photochemical irradiation, through a radical mechanism, by electrophilic/nucleophilic addition, mediated by a transition metal or by e作者: FAZE 時間: 2025-3-24 08:15 作者: 整體 時間: 2025-3-24 12:50 作者: 整潔 時間: 2025-3-24 16:58
Polymers Beyond Chlorinehich involves an addition of chlorine to a silicon atom at the first stage, and then removal of chlorine during the process of producing silicones. It has been shown that eliminating the need for chlorine-containing compounds in this sector is very challenging, but achievable.作者: 干旱 時間: 2025-3-24 20:50
Gustavo Avila,Tucker Carrington Jr.discovered (but not developed) already in late 1960s direct oxidative (dehydrogenative) transition metal-mediated C-C coupling reactions, run via formal double C-H bond activation, which do not require utilisation of substrates activated by halogens.作者: 提名的名單 時間: 2025-3-24 23:13 作者: 鎮(zhèn)壓 時間: 2025-3-25 05:24 作者: osteocytes 時間: 2025-3-25 10:00 作者: Forage飼料 時間: 2025-3-25 15:20 作者: 仇恨 時間: 2025-3-25 17:49 作者: 金桌活畫面 時間: 2025-3-26 00:00
Book 2016 industrially relevant and implementable breakthrough technologies. This volume will interest individuals working in organic synthesis in industry and academia who are working in Green Chemistry and Sustainable Technologies..作者: 提煉 時間: 2025-3-26 03:30 作者: gnarled 時間: 2025-3-26 07:18 作者: Bureaucracy 時間: 2025-3-26 09:54 作者: 連接 時間: 2025-3-26 14:49 作者: 彎彎曲曲 時間: 2025-3-26 20:11
Catalytic Grignard-Type Addition of Aryl C‐H Bonds to C=O and C=N Bondsllenging to achieve mild C-H activations. This chapter briefly summarizes the recent progress in this field, categorized according to different metal catalysts. Applications to synthesize heterocycles and other useful molecules were highlighted as examples. Both the major challenges and the strategies to solve them are discussed in this chapter.作者: chastise 時間: 2025-3-26 22:55 作者: GENUS 時間: 2025-3-27 02:23 作者: Cosmopolitan 時間: 2025-3-27 07:38 作者: CURL 時間: 2025-3-27 10:59
the development of industrially relevant and implementable breakthrough technologies. This volume will interest individuals working in organic synthesis in industry and academia who are working in Green Chemistry and Sustainable Technologies..978-3-319-80717-1978-3-319-30073-3作者: 貧困 時間: 2025-3-27 17:13 作者: 過多 時間: 2025-3-27 17:56
https://doi.org/10.1007/978-1-4419-9819-4ation, etherification, acetalization/ketalization, esterification, and carbonation reactions to replace chlorinated acidic systems. In contrast, we will show a positive role of chlorinated compounds as water suppressor agent in the carbonation of methanol with CO. to produce dimethyl carbonate.作者: 健壯 時間: 2025-3-27 23:07 作者: Palpable 時間: 2025-3-28 03:59
Bayesian Analysis of Computer Code Outputsgether, ED-ROP and CDP form the basis of a potential new method for recycling certain condensation polymers, a method we refer to as “ring-chain recycling” (RCR). Some of the problems that need to be addressed to make the overall process commercially more attractive are discussed.作者: exceptional 時間: 2025-3-28 10:20
Quantum Networks and Quantum Algorithmsynthesis of DMC from CO. and methanol is reviewed with the focus on the different catalyst systems. Moreover, the application of physical–chemical methods in the direct synthesis of DMC is also introduced. Finally, conventional processes are discussed in order to understand the advantages and disadvantages of direct synthesis of DMC.作者: 安心地散步 時間: 2025-3-28 12:45 作者: Ovulation 時間: 2025-3-28 16:18
Chlorine-Free Biomass Processing: Enzymatic Alternatives for Bleaching and Hydrolysis of Lignocellulomic reasons and to the impact on the operation logistics of the chemical industry worldwide. However, this investment is a necessary step for the future, when green processes will improve production and be required by the ever-growing restrictive regulations for the industrial sector.作者: 大酒杯 時間: 2025-3-28 20:58
A Green Method for Potentially Recycling Condensation Polymers: Ring-Chain Recyclinggether, ED-ROP and CDP form the basis of a potential new method for recycling certain condensation polymers, a method we refer to as “ring-chain recycling” (RCR). Some of the problems that need to be addressed to make the overall process commercially more attractive are discussed.作者: 名字 時間: 2025-3-29 00:12 作者: HOWL 時間: 2025-3-29 03:58
Pietro Tundo,Liang-Nian He,Claudio MotaEdited by an industry insider.Focuses on realistic chlorine free organic synthetic pathways.Presents sustainable, breakthrough technologies in Green Chemistry作者: metropolitan 時間: 2025-3-29 08:03 作者: 豪華 時間: 2025-3-29 13:43
https://doi.org/10.1007/978-3-319-30073-3Carbonate Chemistry; Chemistry Without Chlorine; Chlorine Free Chemicals; Energy Saving; Green Chemistry作者: convulsion 時間: 2025-3-29 18:37 作者: 強(qiáng)有力 時間: 2025-3-29 20:44 作者: concentrate 時間: 2025-3-30 00:37
Gustavo Avila,Tucker Carrington Jr.ecame one of the most powerful tools of organic synthesis widely used in both academy and industry. The utilisation of readily approachably organic halides and pseudohalides allows straightforward selective and high-yielding synthesis of compounds not available formerly under mild and affordable con作者: Cultivate 時間: 2025-3-30 04:10 作者: 無關(guān)緊要 時間: 2025-3-30 09:04
Neurocognition and HRQOL Assessmentficant applications of phosphorus compounds as reagents in future synthesis. Usually, organophosphorus derivatives are obtained starting from phosphorus trichloride or phosphoryl chloride, although the final products do not have reactive phosphorus–chlorine bonds. In the last period the interest is
