(3-Nitro-4-methyl)-phenyl chloroformate and its preparation

Details (3-Nitro-4-methyl)-phenyl chloroformate and its preparation (3-Nitro-4-methyl)-phenyl chloroformate and its preparation

1980-04-28

1981-06-09

Daus, Donald G.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 6996

Patent

active

042724503

ABSTRACT:
The novel compound (3-nitro-4-methyl)-phenyl chloroformate is prepared by reacting (4-methyl)-phenyl chloroformate with nitric acid in the presence of sulfuric acid.
The novel compound (3-nitro-4-methyl)-phenyl chloroformate is a valuable starting material for the preparation of dyes and crop protection agents and in particular is an intermediate for the preparation of 3-nitro-4-methylphenol, which is reduced to 3-amino-4-methylphenol.

REFERENCES:
patent: 3715323 (1973-02-01), Crivello
patent: 3742011 (1973-06-01), Konrat et al.
patent: 3839394 (1974-10-01), Konrat et al.
N. Stamicarbon, Chem. Abstracts 68:95548a (1968), Process to Obtain Nitro Derivatives.
G. Davis et al., Chem. Abstracts 88:6463s (1978), Nitration.
Houben-Weyl, Meth. der Org. Chemie, vol. 10/1, p. 620 (1957).
Ullmans Encyklopadie der technischen Chemie, vol. 13, p. 8 (1962).

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