An Efficient Cobalt(I) Catalyst System for the Selective 1,4-Hydrovinylation of 1,3-Dienes
Autor: | François-Xavier du Mesnil, Gerhard Hilt, Steffen Lüers |
---|---|
Rok vydání: | 2000 |
Předmět: | |
Zdroj: | Angewandte Chemie (International ed. in English). 40(2) |
ISSN: | 1521-3773 |
Popis: | Not a Diels-Alder reaction but a 1,4-hydrovinylation takes place on treatment of 1,3-dienes with functionalized alkenes in the presence of the catalyst system [CoBr2 (dppe)]/ZnI2 /Bu4 NBH4 (dppe = 1,2-bis(diphenylphosphanyl)ethane). With this reaction the 1,4-dienes with different substituents R1 -R4 can be obtained in high selectivity and good to excellent yields. |
Databáze: | OpenAIRE |
Externí odkaz: |