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Concept

Hydroboration

Publications associées (25)

Hydrocarboxylation of Terminal Alkenes in Supercritical Carbon Dioxide

Gabor Laurenczy

The catalytic hydrocarboxylation of linear alkenes to carboxylic acids using supercritical carbon dioxide as a solvent was studied. High selectivities in acids have been obtained. The best results were achieved when adding a perfluorinated surfactant to th ...

2008

Palladium-catalyzed desulfitative Mizoroki-Heck couplings of sulfonyl chlorides with mono- and disubstituted olefins: Rhodium-catalyzed desulfitative heck-type reactions under phosphine- and base-free conditions

Pierre Vogel

New conditions have been found for the desulfitative Mizoroki-Heck arylation and trifluoromethylation of mono- and disubustituted olefins with arenesulfonyl and trifluoromethanesulfonyl chlorides. Thus (E)1,2-disubstituted alkenes with high stereoselectivi ...

2005

Synthesis of C-glycosides and C-linked disaccharides through carbonylative Stille coupling reactions

Peter Steunenberg

In the first part, we described the synthesis of C-(1'→1) and C-(1'→4) disaccharide precursors, which are readily obtained via the carbonylative Stille coupling of glucal and isolevoglucosenone derivatives. Tin glycals and triflates, derived from isolevogl ...

EPFL2005

Atom transfer radical additions with the cationic half-sandwich complex [Cp*Ru(PPh3)(2)(CH3CN)]OTf

Rosario Scopelliti, Kay Severin, Laurent Quebatte

The cationic ruthenium half-sandwich complex [CpRu(PPh3)(2)(CH3CN)][OTf] (2) (CP = eta(5)-C5Me5, OTf = SO3CF3) was synthesized by reduction of Cp*RuCl2 with zinc in the presence of NaOTf and subsequent reaction with PPh3. When NaOTf was omitted, the ...

2005

Studies on the synthesis, structure and reactivity of heterocyclic metallonitridophosphinates

T-BuP(NH2)2 reacts with base-stabilized group 13 tri-hydrides with adduct formation (THF-BH3), with redn. to give t-BuPH2 (Me3N-AlH3) and with elimination of H22 and formation of a metallonitridophosphinate (Me3N-GaH3). In contrast, the reaction with Cp*Ti ...

2005