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|Type:||Artigo de periódico|
|Title:||The influence of protecting groups on the diastereoselectivity of catalytic heterogeneous hydrogenation of Baylis-Hillman adducts|
|Abstract:||In this communication we describe our recent results from a study on catalytic heterogeneous hydrogenation reactions of Baylis-Hillman adducts. Depending on the protecting groups used on the secondary hydroxyl group of these adducts, it is possible to obtain a high degree of diastereoselection. For silylated Baylis-Hillman adducts a high syn diastereoselectivity has been obtained. However, when secondary Baylis-Hillman hydroxyl groups were unprotected or protected as acetate a moderate anti selectivity was attained. The adducts protected as methyl ether gave poor syn diastereoselectivity.|
|Editor:||Arkat Usa Inc|
|Citation:||Arkivoc. Arkat Usa Inc, n. 443, n. 467, 2003.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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