Cyclopalladation of Schiff's bases in the ruthenocene series. The possibility of application of the asymmetric version of the reaction to metalloceneimines |
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Authors: | L L Troitskaya S T Ovseenko V I Sokolov M Gruselle |
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Institution: | (1) A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 ul. Vavilova, 117813 Moscow, Russian Federation;(2) National Center for Scientific Research, URA 419, 4 pl. Jussieu, Bat. F, 75252 Paris, France |
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Abstract: | p-Tolyliminoalkylruthenocenes—Schiff's bases of the ruthenocene series—react with sodium tetrachloropalladate in the presence
of carboxylate anion similarly to their ferrocenyl analogs to give cyclopalladation products. The optical rotation values
of the products resulting from carbonylation of palladated ferrocene and ruthenocene aldimines, prepared under conditions
of asymmetric catalysis, followed by liberation of the aldehyde group were used to determine the stereochemistry and enantiomeric
purity of the cyclopalladation products.
Centre Nationale de Recherches Scientifiques, URA 419 4, pl. Jussieu, Bat. F, 75252 Paris, France.
Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 7, pp. 1421–1424, July, 1998. |
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Keywords: | ferrocene ruthenocene Schiff's bases cyclopalladation |
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