Process of preparing 2-methyl-3-aminobenzotrifluoride

Details Process of preparing 2-methyl-3-aminobenzotrifluoride Process of preparing 2-methyl-3-aminobenzotrifluoride

1994-01-05

1995-09-12

Hollrah, Glennon H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

568937, 570127, C07C20936

Patent

active

054498317

ABSTRACT:
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.

REFERENCES:
patent: 3839344 (1974-10-01), Sherlock
patent: 3891761 (1975-06-01), Sherlock
patent: 4132737 (1979-01-01), Molloy
patent: 4209464 (1980-06-01), Steinman et al.
patent: 4749813 (1988-06-01), Marhold et al.
patent: 4831193 (1989-05-01), Lamendola et al.

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