FIELD: chemistry.
SUBSTANCE: invention relates to the ruthenium complexes of formulas (1a), (1b), (1c) or (1d): [Ru Hal2 L CO S] (1a); [Ru2 Hal4 L2 (CO)2 ] (1b); [Ru2 Hal4 L2 CO] (1c); [Ru Hal2 L (CO)2 ] (1d). In these formulas Hal represents a halogen ligand, L is a substituted or an unsubstituted paracyclophane ligand of the formula (2):
,
where X1 X2 represent bonding groups including linear, branched, or cyclic structures where the link is formed via 2, 3 or 4 carbon atoms, each group Y1 Y2 Y3 Y4 independently from each other is selected from the group including an unsubstituted C1-C20 alkyl, replaced by C1-C20 alkyl, an unsubstituted C3-C10cycloalkyl, substituted C3-C10 cycloalkyl, unsubstituted C6-C20 aryl, substituted C6-C20 aryl, unsubstituted C5-C20 heteroaryl and substituted C5-C20 heteroaryl; or Y1 Y2 and/or Y3 Y4 are connected so that the ring structure is formed, that includes the phosphorus atom, each of the groups Z1, Z2 and Z3 is the same or different, and they are selected from the group consisting of unsubstituted branched C1-C30 alkyl, substituted branched C1-C30 alkyl, unsubstituted linear C1-C30alkyl, substituted linear C1-C30 alkyl, unsubstituted C6-C20 aryl, substituted C6-C20 aryl, benzyl, substituted benzyl, halogen, hydroxyl, -O-(C1-C30 alkyl), -OSi(C1-C30 alkyl), -OCH2Ph, carbonyl, carboxyl, anhydride, methacrylate, epoxide, vinyl, nitrile, sulfate, sulfonyl, mercapto group, sulfide, amino group, amine, imine, amide and imide; a, b, C, d, e and f represent integers of 0 or 1 and a+b+c+d+e+f = from 0 to 6, CO represents a carbonyl ligand; and S represents a ligand solvent. Also methods of producing such complexes are proposed.
EFFECT: ruthenium complexes of the formula are useful in a variety of chemical reactions, such as those of isomerization, hydrogenation, hydrogen transfer, hydrogenation, hydroformylation or carbonylation.
16 cl, 8 ex
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