157229-44-2Relevant academic research and scientific papers
Preparation method of o-trifluoromethyl-4-halogenobenzaldehyde and intermediate of o-trifluoromethyl-4-halogenobenzaldehyde
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Paragraph 0049; 0050; 0051; 0052; 0057; 0058; 0061; 0062, (2017/08/25)
The invention discloses a preparation method of o-trifluoromethyl-4-halogenobenzaldehyde and an intermediate of the o-trifluoromethyl-4-halogenobenzaldehyde. The preparation method comprises that under solvent-free conditions, in the presence of an acid a
Process of preparing 2-methyl-3-aminobenzotrifluoride
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, (2008/06/13)
2-methyl-3-aminobenzo-trifluoride is prepared with high yields and high productivity by first halogenating o-trifluoromethylbenzalhalide, then secondly hydrogenating 2-trifluoromethyl-4-halogeno-benzalhalide formed by the first reaction, then thirdly nitr
