Bisfosfinas como ligandos bidentados
"BISFOSFINAS COMO LIGANDOS BIDENTADOS". A presente invenção refere-se a ligandos da fórmula geral (I) Além disso, são demonstrados um processo para a produção dos mesmos e o uso dos mesmos. Enantiomer-enriched bidentate organophosphorus ligand is new. Enantiomer-enriched bidentate organoph...
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Zusammenfassung: | "BISFOSFINAS COMO LIGANDOS BIDENTADOS". A presente invenção refere-se a ligandos da fórmula geral (I) Além disso, são demonstrados um processo para a produção dos mesmos e o uso dos mesmos.
Enantiomer-enriched bidentate organophosphorus ligand is new. Enantiomer-enriched bidentate organophosphorus ligand of formula (I) is new. R1-R4 = 1-8C alkyl, 2-8C alkoxyalkyl, 6-18C aryl, 7-19C aralkyl, 3-18C heteroaryl, 4-19C heteroaralkyl, (1-8C alkyl)-(6-18C aryl), (1-8C alkyl)-(3-18C heteroaryl), 3-8C cycloalkyl, (1-8C alkyl)-(3-8C cycloalkyl), (3-8C cycloalkyl)-(1-8C alkyl); R1 and R2, R3 and R4 = 3-5C alkylene bridge mono or polysubstituted with 1-8C alkyl, HO-1-8C-alkyl, 1-8C alkoxy, 2-8C alkoxyalkyl, 6-18C aryl, 7-19C aralkyl, (1-8C alkyl)-(6-18C aryl), 3-8C cycloalkyl, (1-8C alkyl)-(3-8C cycloalkyl) or (3-8C cycloalkyl)-(1-8C alkyl), this being linked to polymer enlargement; A = group of formula (i)-(vi); R = H, 1-8C alkyl, 6-18C aryl, 7-19C aralkyl, (1-8C alkyl)-(6-18C aryl), 3-8C cycloalkyl, (1-8C alkyl)-(3-8C cycloalkyl), (3-8C cycloalkyl)-(1-8C alkyl), or link to polymer enlargement; Q = O, NH or NR. Independent claims are also included for: (1) a complex containing the ligand and at least one transition metal, preferably palladium, platinum, rhodium, ruthenium, osmium, iridium, cobalt, nickel or copper; and (2) production of ligand. |
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