I found the field of Chemistry very interesting. Saw the article An Efficient Synthesis of Oxime Compounds Catalyzed by Superfine Kaolin under Microwave Irradiation published in 2019. Quality Control of 1-(4-Nitrophenyl)ethanone, Reprint Addresses Hong, Z (corresponding author), Taizhou Univ, Sch Pharmaceut & Mat Engn, Taizhou 318000, Peoples R China.. The CAS is 100-19-6. Through research, I have a further understanding and discovery of 1-(4-Nitrophenyl)ethanone
Oxime compounds were efficiently synthesized with aromatic or aliphatic ketones and hydroxylamine hydrochloride as raw materials in the PEG-400 solution, using cheap and readily available superfine kaolin as catalyst under microwave irradiation condition. The effects of the catalyst, the solvent type, reaction time, reaction temperature on the reaction were investigated. The structures of the products were detected by melting point, nuclear magnetic resonance, infrared spectroscopy and mass spectrometry data. This method has the advantages of short reaction times (5 similar to 15 min), good yields, and simple operation as well as environmental friendliness. In addition, the preliminary experiment shows that superfine kaolin could also catalyze transoximation reaction and preparation of oxime ether compounds under microwave irradiation with the yields of 42%similar to 67% and 59%similar to 72%.
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Reference:
Benzodioxan,
,1,4-Benzodioxane | C8H8O2 – PubChem