2-Trifluormethyl-4-chlorbenzalchlorid, 2-Methyl-3-nitro-5-chlorbenzotrifluorid und Verfahren zur Herstellung von 2-Methyl-3-aminobenzotrifluorid

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 nitrating 2-methyl-monohalogenobenzotrifluoride f...

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Hauptverfasser:	NISHIMIYA, TAKAYUKI, KAWAGOE, SAITAMA, JP, KAWAI, TOSHIKAZU, KAWAGOE, SAITAMA, JP, KANAI, MASATOMI, KAWAGOE, SAITAMA, JP
Format:	Patent
Sprache:	ger
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	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 nitrating 2-methyl-monohalogenobenzotrifluoride formed by the second reaction, and then fourthly hydrogenating 2-methyl-3-nitro-5-halogenobenzotrifluoride formed by the third reaction.