Patent ID: 6153758
Filing Date: 2000-11-28
Classification: B01J,C07B,C07C,C07F

Abstract:
A diphosphine of a mixed heteroarylic-arylic type having the following general formula: ##STR3## wherein: X=Y or X.noteq.Y, and X, Y are selected from among linear or branched C.sub.3 -C.sub.10 alkyl, cyclic C.sub.5 -C.sub.6 alkyl, phenyl, aryl, substituted phenyl or aryl, wherein the substituents are selected from among linear or branched C.sub.1 -C.sub.10, halogen, OR.sub.7, wherein R.sub.7 is hydrogen, linear or branched C.sub.1 -C.sub.10 alkyl;R.sub.1 is selected from among linear or branched C.sub.1 -C.sub.10 alkyl, cyclic C.sub.5 -C.sub.6 alkyl, OR.sub.11, with R.sub.11 is equal to hydrogen, linear or branched C.sub.1 -C.sub.10 alkyl, NR.sub.12 R.sub.13, wherein R.sub.12 and R.sub.13 may be equal or different, and selected from among linear or branched C.sub.1 -C.sub.10 alkyl, phenyl, aryl, substituted phenyl or aryl, wherein substituents are selected from among linear or branched C.sub.1 -C.sub.10 alkyl, halogen, OR.sub.7, wherein R.sub.7 is hydrogen, linear or branched C.sub.1 -C.sub.10 alkyl;R.sub.2 is selected from among hydrogen, linear or branched C.sub.1 -C.sub.10 alkyl, cyclic C.sub.5 -C.sub.6 alkyl, phenyl, aryl, substituted phenyl or aryl, wherein substituents are selected from among linear or branched C.sub.1 -C.sub.10 alkyl, halogen, OR.sub.7, wherein R.sub.7 is hydrogen, linear or branched C.sub.1 -C.sub.10 alkyl;COOR.sub.10, wherein R.sub.10 is linear or branched C.sub.1 -C.sub.10 alkyl, NR.sub.12 R.sub.13, wherein R.sub.12 and R.sub.13 may be equal or different, and selected from among linear or branched C.sub.1 -C.sub.10 alkyl, OR.sub.11 with R.sub.11 selected as equal to hydrogen, linear or branched C.sub.1 -C.sub.10 alkyl;or the 5-atom heterocyclic aromatic ring is condensated to a benzene ring or a substituted or non substituted naphthalene ring, wherein the substituents are selected from among linear or branched C.sub.1 -C.sub.10 alkyl, cyclic C.sub.5 -C.sub.6 alkyl, halogen, and in this case either R.sub.1 or R.sub.2 or the both of them may be part of said benzene or naphthalene ring;R.sub.3, R.sub.4, R.sub.5, R.sub.6 may be equal or different and are selected from among hydrogen, linear or branched C.sub.1 -C.sub.10 alkyl, cyclic C.sub.5 -C.sub.6 alkyl, halogen, OR.sub.11 with R.sub.11 selected as equal to hydrogen, linear or branched C.sub.1 -C.sub.10 alkyl, SO.sub.3 H or a corresponding salt, NR.sub.12 R.sub.13 wherein R.sub.12 and R.sub.13 may be equal or different, and selected from among linear or branched C.sub.1 -C.sub.10 alkyl, or R.sub.12 and R.sub.13 form with the N atom a morpholinic, pyrrolidonic, piperidinic ringor a couple of the adjoining R.sub.3 to R.sub.6 substituents represents a benzene ring wherein the substituents are selected from among linear or branched C.sub.1 -C.sub.10 alkyl, cyclic C.sub.5 -C.sub.6 alkyl, halogen, condensated to the aryl ring of said diphosphine.