| 摘要 |
Multidentate phosphate compounds of formula (1) are prepared by reacting a 9-phosphabicyclononane, in the presence of an acid catalyst, with a 9-phospha-bicyclononane alkenylmonophosphine of formula (2), some of which, e.g., P-{2-(2-butenyl-9-phospha-bicyclononane, are novel compounds. The multidentate phosphine compounds of formula (1) and those of formula (3), are useful as ligands for transition metal catalysts in various types of reactions, such as, hydrogenation reactions.
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