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microwave-assisted organic synthesis

Author: langfeng Time: 2018-08-06

Since the first experiments in the mid-1980s,  microwave energy used in chemical reactions has shown great advantages in the field of organic synthesis. Over the past 20 years, synthesis rates have been reported to increase significantly in many different types of reactions, yields have improved, and reactions have been cleaner, such as microwave-assisted organic synthesis (MAOS). Therefore, when planning to implement a reaction process or design a new synthetic route, microwave irradiation as a heating source becomes the first choice, and is no longer the last remedy!
      Modern microwave reactors combine the advantage of fast "core" heating (microwave heating)  in closed vessels (high pressure reactors) and  on-line tracking of reaction parameters, greatly simplifying high pressure conditions compared to conventional heating methods. Reaction.
      The main advantages of using a dedicated microwave reactor in organic synthesis can be summarized as follows:
1, the speed is accelerated: due to the use of a higher reaction temperature, the reaction time is sharply shortened from a few hours to a few minutes, or even a few seconds;
2. Increased yield: In many cases, shorter reaction times minimize unwanted side reactions;
3. Purity improvement: due to the reduction of by-products, the reaction is cleaner and the purification step is simpler;
4. More important: the uniform microwave field appearing in the dedicated microwave reactor ensures similar results for each experimental run;
5. The reaction conditions are extended ("reaction space"): it is possible to achieve and achieve conversion conditions that are difficult to achieve under conventional conditions or reaction conditions that are difficult to achieve.
Hunan WISE Microwave Technology Co., Ltd.
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