Process for the synthesis of 2,4-dinitro-6-t-butyl-3-methylaniso

Details Process for the synthesis of 2,4-dinitro-6-t-butyl-3-methylaniso Process for the synthesis of 2,4-dinitro-6-t-butyl-3-methylaniso

1980-02-19

1981-09-08

Helfin, Bernard

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

Organic compounds

Oxygen containing

C07C 4118

Patent

active

042886384

ABSTRACT:
The invention relates to a process for the synthesis of 2,4-dinitro-6-t-butyl-3-methylanisole or musk ambrette.
The process according to the invention is characterized in that 6-t-butyl-3-methylanisole is reacted with a nitrating mixture consisting of 30 to 50% of acetic acid, 20 to 30% of acetic anhydride and 25 to 45% by weight of nitric acid, at between 7.degree. and 15.degree. C. The product is recovered in the pure state with a good yield by adding small amounts of water to the crude reaction mixture.
Application: Synthesis of a scented product.

REFERENCES:
patent: 2007234 (1935-07-01), Wirth
patent: 2007241 (1935-07-01), Dahlen et al.
patent: 2038620 (1936-04-01), Weiland et al.
patent: 2493797 (1950-01-01), Wood
Carpenter et al., Jour. Org. Chem., vol. 16 (1951), pp. 586-620.

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