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Research and Development Department, Iharanikkei Chemical Industry Co. Ltd, Kambara, Shimizu-ku, Shizuoka, Japan. We have recently reported a new method for the preparation of the Vilsmeier-Haack ...

Faculty of Chemistry, Nicolaus Copernicus University, Gagarina Street 7, 87-100 Toruń, Poland ...

College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, China ...

The solution turns brown. This brown colour is the displaced bromine. The chlorine has gone to form sodium chloride.