Method of preparing halogenated nitroalcohols

Details Method of preparing halogenated nitroalcohols Method of preparing halogenated nitroalcohols

1988-12-05

1990-05-01

Lone, Werren B.

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

Organic compounds

Oxygen containing

568712, C07C 7918, C07C 7916

Patent

active

049220306

ABSTRACT:
A method of preparing bromonitroalcohols of the formula ##STR1## where R.sub.1 is H, lower alkyl or R.sub.2, R.sub.2 is R.sub.3 CHOH in which R.sub.3 is H, alkyl or aryl, and X is a halogen, which comprises reacting a halonitroalkane with a substantially nonaqueous solutioln of an aldehyde of the formula R.sub.3 CHO where R.sub.3 is as noted above, in the presence of an alkaline catalyst. R.sub.3 preferably is lower alkyl or monocyclic aryl such as phenyl.

REFERENCES:
patent: 3542884 (1970-11-01), Adolp
patent: 3658921 (1972-04-01), Wessendorf
patent: 3711561 (1973-01-01), Wessendorf
patent: 4581178 (1986-04-01), Milstein

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