- Electrophilic allylation of arenes with in situ generated allyltriarylbismuthonium compound: The Bismuth-mediated polarity inversion of allylsilanes
-
Reaction of triarylbismuth difluorides 1 with allyltrimethylsilane 2 in CH2Cl2 in the presence of BF3·OEt2 at low temperature generates allyltriarylbismuthonium compound 3 as a pale yellow solution, in which aromatic hydrocarbons and ethers, triphenylphosphine, dimethyl sulfide, p-toluenesulfinate, and thiophenol are all readily allylated to afford the corresponding allyl derivatives in moderate to good yields.
- Matano, Yoshihiro,Yoshimune, Masanori,Suzuki, Hitomi
-
p. 7475 - 7478
(2007/10/02)
-
- Umpolung of Reactivity of Allylsilane, Allylgermane, and Allylstannane: Allylation of Aromatic Compounds with Allylmetal and Allylthallium Bis(trifluoroacetate)
-
A direct allylation of aromatic compounds using allylsilane, allylgermane, or allylstannane (1) and arylthallium bis(trifluoroacetate) has been developed.The actual transmetalation reagent for 1 in the reaction was proposed to be thallium (III) trifluoroacetate (2), which was proposed together with diarylthallium trifluoroacetate by the disproportionation of arylthallium bis(trifluoroacetate).Keywords-allylation of aromatic compound; allylsilane; allylgermane; allylstannane; arylthallium bis(trifluoroacetate)
- Ochiai, Masahito,Fujita, Eiichi,Arimoto, Masao,Yamaguchi, Hideo
-
p. 3994 - 3999
(2007/10/02)
-
- UMPOLUNG OF REACTIVITY OF ALLYLSILANE, ALLYLGERMANE, AND ALLYLSTANNANE VIA THEIR REACTION WITH THALLIUM (III) SALT: A NEW ALLYLATION REACTION FOR AROMATIC COMPOUND
-
A new direct allylation of the aromatic compound has been developed.A combination of allylsilane, allylgermane, or allylstannane and thallium (III) trifluoroacetate gave rise to an allyl cationic species which was allowed to react with an aromatic compound, a nucleophile, to give allylation product(s) in good yields.
- Ochiai, Masahito,Arimoto, Masao,Fujita, Eiichi
-
p. 4491 - 4494
(2007/10/02)
-