4-alkyl-2-haloaniline derivatives and process for producing...

Details 4-alkyl-2-haloaniline derivatives and process for producing... 4-alkyl-2-haloaniline derivatives and process for producing...

2003-05-16

2008-10-21

Oh, Taylor Victor (Department: 1625)

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

Organic compounds

Carboxylic acid esters

Reexamination Certificate

active

07439382

ABSTRACT:
The present invention relates to a compound of formula (1), wherein R1, R2, R3, n, and X are as defined in the specification, and a process for producing the same. This compound is useful as an intermediate for the synthesis of compounds useful as pharmaceuticals or agricultural chemicals.

REFERENCES:
patent: 4436936 (1984-03-01), Howell
patent: WO 01/92231 (2001-12-01), None
Nebergall et al , College Chemistry With Qualitaitve Analysis, 6thEd, 1980, p. 89, 3 Pages.
Thornton, T.J., et al.,Metallation of N-(Pivaloyl)—and N-(tert-Butoxycarbonyl)difluoranilines: Regiocontol by fluorine in the synthesis of 4-Methoxycarbonyl derivatives, Synthesis., 1990, pp. 295-299, XP002387592.
Shelley Darnbrough et al., “An Improved Synthesis of N-BOC Protected Aryl Amines,”Synthetic Communications, vol. 31, No. 21, pp. 3273 to 3280 (2001).
Dale D. Dixon et al., “Synthesis of N-Tert.-Butyl Aromatic Amines Via Heterogeneous Acid Catalysis,”Applied Catalysis, vol. 62, No. 2, pp. 161-169 (1990).

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