Process for the preparation 4-bromoaniline hydrobromides

Details Process for the preparation 4-bromoaniline hydrobromides Process for the preparation 4-bromoaniline hydrobromides

1988-06-14

1990-04-17

Raymond, Richard L.

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

Organic compounds

Amino nitrogen containing

564412, C07C 87452, C07C 8524

Patent

active

049182307

ABSTRACT:
4-Bromoaniline hydrobromides of formula I ##STR1## wherein R.sup.1 and R.sup.2 are each independently of the other C.sub.1 -C.sub.10 alkyl or C.sub.3 -C.sub.7 cycloalkyl, are prepared by brominating an aniline hydrohalide of formula II ##STR2## wherein X is chlorine or bromine and R.sup.1 and R.sup.2 are as defined above, in the presence of an inert organic solvent.

REFERENCES:
patent: 1777266 (1930-09-01), Kalischer et al.
patent: 2675409 (1954-04-01), Orloff et al.
patent: 4328247 (1982-05-01), Drabek et al.
patent: 4447647 (1984-05-01), Werner et al.
Chem. Ber. (1901), vol. 34, pp. 2242-2263 (see p. 2261).
Chem. Ber. (1900), vol. 33, pp. 1967-1975 (see pp. 1971 & 1974).
Houben-Weyl, Methoden der Org. Chemie, vol. 4, pp. 274-276.
J. Org. Chem., vol. 40 (1975) p. 1867.
Berichte, vol. 56 (1983) p. 2043.

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