"Furan endwise peeling" of celluloses: Mechanistic studies and application perspectives of a novel reaction
The mechanism of a novel reaction type, the "furan endwise peeling" reaction, has been studied. Making extensive use of experiments on model compounds, the structural prerequisites to the reaction were found to be a 2-hydroxpyran β-glycosidically linked t
The scope of catalytic asymmetric hydroboration/oxidation with rhodium complexes of 1,1'-(2-diarylphosphino-1-naphthyl)isoquinolines
Preformed cationic Rh complexes of the title ligands are effective for the asymmetric hydroboration/oxidation of vinylarenes at ambient temperature. These vinylarenes may carry E- or Z-β substituents but not a substituents. Enantiomer excesses of up to 97% can be obtained in the most favourable cases. The enantioselectivity is moderately sensitive to the structure of the ligand: the difurylphosphino ligand gave superior results for electron-poor styrenes and the diphenylphosphino ligand the best results for electron-rich reactants. Mechanistic aspects are discussed.
Doucet, Henri,Fernandez, Elena,Layzell, Timothy P.,Brown, John M.
p. 1320 - 1330
(2007/10/03)
ANOMALUS BEHAVIOUR IN SOME NUCLEOPHILIC RING OPENING OF FURYL-2-OXIRANE
The behaviour of furyl-2-oxirane in some nucleophilic ring opening reactions was studied.
Alcaide, Benito,Areces, Pilar,Borredon, Elisabeth,Biurrun, Cristina,Castellas, Javier P.,Plumet, Joaquin
p. 1997 - 2002
(2007/10/02)
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