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US 6,034,240 AGranted
Substituted aminomethylphosphines, coordination complexes of aminomethylphosphines and their synthesis
AssigneeSymyx Technologies, Inc.
InventorAnne Marie La Pointe
Life of this patent
Estimating the term…
Abstract
Novel aminomethylphosphine ligands have particular substituents on the central carbon atom. Such ligands form coordination complexes that may be catalysts for the polymerization of monomers or other catalytic induced reactions.
Claims7
A compound characterized by the formula:
- ##STR8## wherein each of R.sup.1, R.sup.2, R.sup.3, and R.sup.4 is, independently, selected from the group consisting of hydrogen, alkyl, substituted alkyl, aryl, substituted aryl, arylalkyl, substituted arylalkyl, acyl, halogen, amino, cyano, nitro, hydroxy, alkoxy, alkylamino, acylamino, silyl, germyl, stanyl, siloxy, phosphino, aryloxy, aryloxyalkyl, substituted aryloxyalkyl, heteroaryl, substituted heteroaryl, heteroarylalkyl, substituted heteroarylalkyl, heterocycles, substituted heterocycles, heterocyclicalkyl, substituted heterocyclicalkyl S-aryl and S-alkyl mercaptans and combinations thereof;
- and optionally R.sup.1 and R.sup.2 are combined together to form a ring structure and optionally, R.sup.3 and R.sup.4 are combined together in a ring structure;
- R' is selected from the group consisting of substituted alkyl, substituted aryl, arylalkyl, substituted arylalkyl, acyl, halogen, cyano, nitro, hydroxy, alkylamino, acylamino, silyl, germyl, stanyl, siloxy, aryloxy, aryloxyalkyl, substituted aryloxyalkyl, heteroaryl, substituted heteroarylalkyl, substituted heteroarylalkyl, substituted heterocycles, heterocyclicalkyl, substituted heterocyclicalkyl S-aryl and S-alkyl mercaptans and combinations thereof.
A compound characterized by the formula:
- ##STR9## wherein each of R.sup.1, R.sup.2, R.sup.3, and R.sup.4 is, independently, selected from the group consisting of hydrogen, alkyl, substituted alkyl, saturated cyclic hydrocarbons, aryl, substituted aryl, arylalkyl, substituted arylalkyl, acyl, amino, alkylamino, acylamino, silyl, germyl, stanyl, siloxy, phosphino, aryloxy, aryloxyalkyl, substituted aryloxyalkyl, heteroaryl, substituted heteroaryl, heteroarylalkyl, substituted heteroarylalkyl, heterocycles, substituted heterocycles, heterocyclicalkyl, substituted heterocyclicalkyl, S-aryl and S-alkyl mercaptans and combinations thereof;
- and optionally R.sup.1 and R.sup.2 are combined together to form a ring structure and optionally, R.sup.3 and R.sup.4 are combined together in a ring structure;
- and
- R' is selected from the group consisting of aryl, substituted aryl, arylalkyl, substituted arylalkyl and combinations thereof.
1 more element
A compound characterized by the formula:
- ##STR10## wherein each of R.sup.1, R.sup.2, R.sup.3, and R.sup.4 is, independently, selected from the group consisting of hydrogen, alkyl, substituted alkyl, saturated cyclic hydrocarbons, aryl, substituted aryl, arylalkyl, substituted arylalkyl, acyl, amino, alkylamino, acylamino, silyl, germyl, stanyl, siloxy, phosphino, aryloxy, aryloxyalkyl, substituted aryloxyalkyl, heteroaryl, substituted heteroaryl, heteroarylalkyl, substituted heteroarylalkyl, heterocycles, substituted heterocycles, heterocyclicalkyl, substituted heterocyclicalkyl, S-aryl and S-alkyl mercaptans and combinations thereof;
- and optionally R.sup.1 and R.sup.2 are combined together to form a ring structure and optionally, R.sup.3 and R.sup.4 are combined together in a ring structure;
- and
- R' is selected from the group consisting of benzyl, butyl, s-butyl, t-butyl, phenyl, 2,4,6-trimethylphenyl, 4-trifluoromethylphenyl, ferrocenyl, 2-pyridyl, 2-cyanophenyl, 3-cyanophenyl and 2-(diphenylphosphino)phenyl.
1 more element
Dependencies are inferred from the claim text.