Palladium-catalyzed cross-coupling of trifluoroisopropenylzinc reagent with vinyl halides. A novel stereospecific of trifluoromethylated 1,3-dienes
β Scribed by Jiang Biao; Xu Yuanyao
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- French
- Weight
- 255 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0040-4039
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π SIMILAR VOLUMES
Palladium/copper (I) halide catalyzed cross couplings of (E)-and (Z)-I,2difluorovinyistannanes with aryl iodides and vinyl halides proceeded at room temperature to stereospecifically give 1,2-disubstituted-l,2-difluoroolef'ms and 1,2difluoro or 1,2,3,4-tetrafluorosubstituted dienes in good to excell
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## Sumnary: The representative (E)-1-alkenyldisiamylboranes and (E)-1-alkenyl-1,3,2-benzodioxaboroles readily obtainable via hydroboration of 1-alkynes react with 1-alkenyl halides or l-alkynyl halides in the presence of a catalytic amount of tetrakis(triphenylphosphine)palladium and base to give