Patent ID: 6198007
Filing Date: 2001-03-06
Classification: C07C

Abstract:
A process for preparing a 1-substituted 2,4-dinitrobenzene of the formula (I) ##STR6##wherein eachR.sup.1 is a component comprising a member selected from the group consisting of linear C.sub.1 -C.sub.20 -alkyl groups, branched C.sub.1 -C.sub.20 -alkyl groups, C.sub.6 -C.sub.18 -aryl groups, C.sub.2 -C.sub.20 -acyl groups, COOH groups, COOR.sup.3 groups, in which R.sup.3 is a linear or a branched C.sub.1 -C.sub.20 -alkyl radical, a SO.sub.3 H group, or a SO.sub.3 R.sup.4 group, in which R.sup.4 is a linear or a branched C.sub.1 -C.sub.20 -alkyl radical or a C.sub.6 -C.sub.18 -aryl radical in which one or more carbon atoms are optionally replaced by O, S or N, or N(R.sup.5).sub.2, in which each R.sup.5 is hydrogen, a linear or a branched C.sub.1 -C.sub.20 -alkyl radical or a C.sub.2 -C.sub.20 -acyl radical, n is an integer from 0 to 3, andR.sup.2 is a radical of the formula (II) ##STR7##in which each R.sub.5 is hydrogen or a C.sub.1 -C.sub.5 -alkyl radical, m is an integer from 1 to 12 and p is an integer from 1 to 4, or R.sup.6 is a radical of the formula (III), ##STR8##in which each r is an integer from 0 to 2 and one or more carbon atoms of the phenyl ring are optionally replaced by N, O or S; the process comprising the step of reacting:A) a 1-halogeno-2,4-dinitrobenzenes of the formula (IV) ##STR9##in which X is halogen, and R.sup.1 and n have the meanings given for the formula (I), withB) a mono-alkali metal salt of a diol of the formula (V)HO--R.sup.2 --OH (V)in which R.sup.2 has the meaning given for the formula (I); wherein the halogeno-2,4-dinitrobenzene of the formula (IV) and the mono-alkali metal salt of the diol of the formula (V) are simultaneously added and reacted.