Process for producing 4-bromothioanisole

Details Process for producing 4-bromothioanisole Process for producing 4-bromothioanisole

2006-05-09

2006-05-09

Barts, Samuel (Department: 1621)

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

Organic compounds

Oxygen containing

C568S018000, C568S038000

Reexamination Certificate

active

07041853

ABSTRACT:
It is an object of the present invention to provide a process for producing highly pure 4-bromothioanisole, which is useful in the manufacture of medicinal chemicals, agrochemicals or functional materials, in a simple and industrially advantageous manner.The present invention is related to a process for producing 4-bromothioanisolewhich comprises adding an alcoholic solvent to a 4-bromothioanisole-containing product resulting from the reaction of thioanisole with bromine to cause crystallization of 4-bromothioanisole.

REFERENCES:
patent: 3-181455 (1991-08-01), None
patent: 5-140086 (1993-06-01), None
CA:123:340603 abs of Journal of Chem Soc Perkin Trans 2 by Davies et al (7) pp 1287-94 1995.
J Org Chem by Bohra et al pp. 3562-3567 vol. 62 1997.
R. Breslow et al, Cabonium Ions With Multiple Neighboring Groups. I. Synthesis, Journal of the American Chemical Society, 1968, pp. 4051-4055, vol. 90, No. 15, XP002301405.

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