Palladium catalyzed decarboxylative allylation of active methylene compounds proceeded under mild neutral conditions using allylic carbonates, which are much more reactive than allylic acetates or phenoxides used commonly in the reaction.
Palladium-Catalyzed Decarboxylation and Decarbonylation under Hydrothermal Conditions: Decarboxylative Deuteration.
โ Scribed by Seijiro Matsubara; Yutaka Yokota; Koichiro Oshima
- Publisher
- John Wiley and Sons
- Year
- 2004
- Weight
- 31 KB
- Volume
- 35
- Category
- Article
- ISSN
- 0931-7597
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โฆ Synopsis
Abstract
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๐ SIMILAR VOLUMES
Allyllc carbonates undergo facile palladium-catalyzed decarboxylatloncarbonylatlon under mild conditions to give 6,-y-unsaturated esters in high yields using palladium-phosphlne complex as a catalyst.
Symmetric diarylalkynes were obtained from the decarboxylative coupling reactions of aryl bromides and propiolic acid in water solvent condition. In the presence of phase transfer surfactant C 18 H 37 N(CH 3 ) 3 Cl, the catalytic system of both Pd(PPh 3 ) 2 Cl 2 /dppb and Pd(TPPMS) 2 Cl 2 /TPPMS aff