Radical promoted cyclisations of trichloroacetamides with silyl enol ethers and enol acetates: the role of the hydride reagent [tris(trimethylsilyl)silane vs. tributylstannane]

1999 ◽  
pp. 1157-1162 ◽  
Author(s):  
Josefina Quirante ◽  
Carmen Escolano ◽  
Faïza Diaba ◽  
Josep Bonjoch
Keyword(s):  
Enol Ethers ◽  
Silyl Enol Ethers ◽  
Enol Acetates

Gold(i)-catalyzed C-glycosylation of glycosyl ortho-alkynylbenzoates: the role of the moisture sequestered by molecular sieves

2016 ◽  
Vol 52 (82) ◽  
pp. 12183-12186 ◽  
Author(s):  
Xiaoping Chen ◽  
Qiaoling Wang ◽  
Biao Yu
Keyword(s):  
Molecular Sieves ◽  
Catalytic Cycle ◽  
Enol Ethers ◽  
Silyl Enol Ethers

C-Glycosylation of glycosyl ortho-hexynylbenzoates with allyltrimethylsilane or silyl enol ethers could proceed smoothly under the catalysis of Ph3PAuNTf2, wherein the moisture sequestered by the molecular sieves ensured the gold(i)-catalytic cycle.

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