Transition-metal-promoted reactions of boron hydrides. 5. Palladium-catalyzed pentaborane(9)-olefin coupling reactions: a new, mild synthetic route to alkenylpentaboranes

1983 ◽  
Vol 2 (11) ◽  
pp. 1693-1694 ◽  
Author(s):  
Thomas Davan ◽  
Edward W. Corcoran ◽  
Larry G. Sneddon
Keyword(s):  
Transition Metal ◽  
Coupling Reactions ◽  
Synthetic Route ◽  
Boron Hydrides ◽  
Olefin Coupling ◽  
Palladium Catalyzed

Transition-Metal-Catalyzed Cross-Coupling with Non-Diazo Carbene Precursors

Synlett ◽  
2018 ◽  
Vol 30 (05) ◽  
pp. 542-551 ◽  
Author(s):  
Jianbo Wang ◽  
Kang Wang
Keyword(s):  
Transition Metal ◽  
Cross Coupling ◽  
Diazo Compounds ◽  
Coupling Reactions ◽  
Cross Coupling Reactions ◽  
Carbon Carbon Bond ◽  
Palladium Catalyzed ◽  
Fischer Carbenes ◽  
Transition Metal Catalyzed ◽  
Metal Catalyzed

Transition-metal-catalyzed cross-coupling reactions through metal carbene migratory insertion have emerged as powerful methodology for carbon–carbon bond constructions. Typically, diazo compounds (or in situ generated diazo compounds from N-tosylhydrazones) have been employed as the metal carbene precursors for this type of cross-coupling reactions. Recently, cross-coupling reactions employing non-diazo carbene precursors, such as conjugated ene-yne-ketones, allenyl ketones, alkynes, cyclopropenes, and Cr(0) Fischer carbenes, have been developed. This account will summarize our efforts in the development of transition-metal-catalyzed cross-coupling reactions with these non-diazo carbene precursors.1 Introduction2 Cross-Coupling with Ene-yne-ketones, Allenyl Ketones, and Alkynes3 Cross-Coupling Involving Ring-Opening of Cyclopropenes4 Palladium-Catalyzed Cross-Coupling with Chromium(0) Fischer Carbenes5 Conclusion

Synthesis of PEG-supported organotrifluoroborates and their applications in palladium-catalyzed homo-coupling reactions

2015 ◽  
Vol 44 (10) ◽  
pp. 4759-4764
Author(s):  
Li Yong ◽  
Min-Liang Yao ◽  
David W. Blevins ◽  
George W. Kabalka
Keyword(s):  
Room Temperature ◽  
Water Soluble ◽  
Coupling Reactions ◽  
Synthetic Route ◽  
Palladium Catalyzed

A general synthetic route to water-soluble PEG-supported organotrifluoroborates has been developed. In the presence of air and catalytic amounts of Pd(OAc)2, the PEG-supported organotrifluoroborates undergo homo-coupling reactions smoothly at room temperature.

Sign in / Sign up

Export Citation Format

Share Document