Yayınlanmış 1 Ocak 2014
| Sürüm v1
Dergi makalesi
Açık
Regio- and Stereoselective Synthesis of 2,3,5-Trienoates by Palladium-Catalyzed Alkoxycarbonylation of Conjugated Enyne Carbonates
- 1. Izmir Inst Technol, Dept Chem, Fac Sci, TR-35430 Izmir, Turkey
Açıklama
Palladium-catalyzed carbonylation of 2,4-enyne carbonates in an alcohol and under balloon pressure of CO proceeds through 1,5-substitution to yield (E)-2,3,5-trienoates The olefin geometry of the substrate is important to control the overall stereochemistry of this alkoxycarbonylation method. The reation proceeds through successive formation of pi-allylpalladium with an R-3 group oriented syn and sigma-allenyl palladium complexes.
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