Tandem cross-metathesis/hydrogenation/cyclization reactions by using compatible catalysts
(Matrix presented) A one-pot tandem cross-metathesis/hydrogenation/cyclization procedure was achieved at room temperature, under 1 atm of hydrogen, in the presence of a ruthenium catalyst and PtO2 showing the compatibility of the two catalysts. This tandem reaction allows the synthesis of substituted lactones and lactols from acrylic acid and acrolein, respectively, in the presence of unsaturated alcohols.
Cossy, Janine,Bargiggia, Frederic,BouzBouz, Samir
p. 459 - 462
(2007/10/03)
THE PREPARATION OF LITHIUM ORGANOCUPRATES FROM VARIOUS Cu(I) SALTS
Various Cu(I) salts have been tested as precursors for organocuprates in side-by-side comparisons under controlled conditions.CuCN and CuBr*SMe2 appear to be superior to CuI, CuBr, and CuCl.CuSCN and CuOTf are also good precursors in some circumstances.
Bertz, Steven H.,Gibson, Charles P.,Dabbagh, Gary
p. 4251 - 4254
(2007/10/02)
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