Highly Stereoselective Synthesis of (1 E )‐2‐Methyl‐1,3‐dienes by Palladium‐Catalyzed  trans ‐Selective Cross‐Coupling of 1,1‐Dibromo‐1‐alkenes with Alkenylzinc Reagents | Zendy

Zeng Xingzhong | Zendy; Qian Mingxing | Zendy; Hu Qian | Zendy; Negishi Eiichi | Zendy

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Highly Stereoselective Synthesis of (1 E )‐2‐Methyl‐1,3‐dienes by Palladium‐Catalyzed trans ‐Selective Cross‐Coupling of 1,1‐Dibromo‐1‐alkenes with Alkenylzinc Reagents

Author(s) -

Zeng Xingzhong,

Qian Mingxing,

Hu Qian,

Negishi Eiichi

Publication year - 2004

Publication title -

angewandte chemie

Language(s) - German

Resource type - Journals

eISSN - 1521-3757

pISSN - 0044-8249

DOI - 10.1002/ange.200353022

Subject(s) - stereoselectivity , chemistry , reagent , palladium , catalysis , schema (genetic algorithms) , combinatorial chemistry , diene , stereochemistry , medicinal chemistry , organic chemistry , computer science , information retrieval , natural rubber

Die Liganden haben das Sagen : Pd‐Katalysatoren mit t Bu 3 P‐Liganden oder N‐heterocyclischen Carbenliganden (NHC) unterbinden die Stereoisomerisierung fast vollständig, sodass ( Z )‐2‐Brom‐1,3‐diene effizient und selektiv methyliert oder alkyliert werden können (siehe Schema; dba= trans , trans ‐Dibenzylidenaceton).

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