Catalysis for the valorization of exhaust carbon: from CO2 to chemicals, materials, and fuels. technological use of CO2.

Photoinduced chemical transformations have received in recent years a tremendous amount of attention, providing a plethora of opportunities to synthetic organic chemists. However, performing a photochemical transformation can be quite a challenge because of various issues related to the delivery of photons. These challenges have barred the widespread adoption of photochemical steps in the chemical industry. However, in the past decade, several technological innovations have led to more reproducible, selective, and scalable photoinduced reactions. Herein, we provide a comprehensive overview of these exciting technological advances, including flow chemistry, high-throughput experimentation, reactor design and scale-up, and the combination of photo- and electro-chemistry.

Technological Innovations in Photochemistry for Organic Synthesis: Flow Chemistry, High-Throughput Experimentation, Scale-up, and Photoelectrochemistry.

The utilization of ‘captured’ CO2 as a feedstock in the chemical industry for the synthesis of certain chemical products offers an option for preventing several million tons of CO2 emissions each year while increasing independence from fossil fuels. For this reason, interest is increasing in the feasibility of deploying captured CO2 in this manner. Numerous scientific publications describe laboratory experiments in which CO2 has been successfully used as a feedstock for the synthesis of various chemical products. However, many of these publications have focused on the feasibility of syntheses without considering the ancillary benefits of CO2 emissions reduction if the CO2 is sourced from effluent or the potential profitability of this process. Evaluating these environmental and economic benefits is important for promoting the further development of benign CO2 applications. Given the multitude of CO2 utilization reactions in the laboratory context, an initial assessment must be undertaken to identify those which have the most potential for future technical exploration and development. To achieve this, 123 reactions from the literature were identified and evaluated with the help of selection criteria specifically developed for this project. These criteria incorporate both the quantitative potential of reducing CO2 and possible economic benefits of these syntheses. The selected reactions are divided into bulk and fine chemicals. Of the bulk chemicals, formic acid, oxalic acid, formaldehyde, methanol, urea and dimethyl ether, and of the fine chemicals, methylurethane, 3-oxo-pentanedioic acid, 2-imidazolidinone, ethylurethane, 2-oxazolidone and isopropyl isocyanate, mostly fulfil the selection criteria in each category.

/pdf/closing-the-loop-captured-co2-as-a-feedstock-in-the-chemical-2ev1e57sc2.pdf

Closing the loop: Captured CO2 as a feedstock in the chemical industry

A radio frequency identification (RFID) inlay (102) includes a conductive (124) or capacitive connection electrically connecting an antenna (106) to strap leads (116) that are coupled to an RFID chip (110). The conductive connection may include conductive bumps (124) attached to the strap, and/or may include conductive traces, such as conductive ink traces. The capacitive connection may involve putting the antenna and the strap into close proximity, to allow capacitive coupling between the antenna and straps. The connections provide a convenient, fast, and effective way to operatively couple antennas and straps. The RFID inlay may be part of an RFID label or RFID tag.

RFID device and method of forming

State of the art and perspectives in catalytic processes for CO2 conversion into chemicals and fuels: The distinctive contribution of chemical catalysis and biotechnology

Heterogeneous CeO2 catalyst for the one-pot synthesis of organic carbamates from amines, CO2 and alcohols

Radical chain reactions using THP as a solvent

Regio- and stereo-selective intermolecular [2+2] cycloaddition of allenol esters with C60 leading to alkylidenecyclobutane-annulated fullerenes

The invention relates to (1) a process for producing a cyanobenzaldehyde compound by converting the aminomethyl group in a cyanobenzylamine compound into an aldehyde group using an oxidizing agent without impairing the cyano group, to (2) a process for producing a cyanobenzoyl halide compound by converting the aldehyde group in a cyanobenzaldehyde compound into an acid halide group without impairing the cyano group, and to (3) a process for producing a cyanobenzoic acid compound by reacting a cyanobenzaldehyde compound with a hypohalogenous compound. According to the present invention, cyanophenyl derivatives that are useful as an intermediate of medical preparations, agricultural chemicals, liquid crystals, functional high molecular monomers and the like can be produced efficiently from raw materials that are obtained without difficulty.

Method for producing cyanophenyl derivatives

Process for preparing cyanophenyl derivatives

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