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Synthesis of carbohydrate-functionalized quantum dots in microreactors.
A single-phase microfluidic system for the synthesis of highly luminescent, surface-functionalized CdSe and CdTe nanoparticles with a time-dependent bathochromic shift in the band-edge emission and enhanced intensity is presented. Expand
5-(Pyrrolidin-2-yl)tetrazole-catalyzed aldol and mannich reactions: acceleration and lower catalyst loading in a continuous-flow reactor.
A proline tetrazole derivative catalyzes asymmetric aldol reactions between various aromatic aldehydes and ketones in microreactor at 60 degrees C with reaction times ranging from 10 to 30 min. Expand
Gold-catalyzed deoxygenated cyclization of cis-2,4-dien-1-als with regioselective addition of two nucleophiles. One-pot synthesis of highly functionalized cyclopentene framework.
We report a new gold-catalyzed deoxygenated cyclization of cis-2,4-dien-1-als with external nucleophiles at ambient temperatures, which leads to a 1,4-double nucleophilic addition to the newly formedExpand
Ruthenium-catalyzed aromatization of enediynes via highly regioselective nucleophilic additions on a pi-alkyne functionality. A useful method for the synthesis of functionalized benzene derivatives.
In this novel cyclization, nucleophiles very regioselectively attack the internal C1' alkyne carbon of enediynes to give benzene derivatives as a single regioisomer. Expand
Ruthenium-catalyzed cyclization of 2-alkyl-1-ethynylbenzenes via a 1,5-hydrogen shift of ruthenium-vinylidene intermediates.
It is proposed that the cyclization mechanism involves a 1,5-hydrogen shift of initial metal-vinylidene intermediate in order to form 1-substituted-1H-indene and 1-indanone products. Expand
Ruthenium-catalyzed cycloisomerization of cis-3-en-1-ynes to cyclopentadiene and related derivatives through a 1,5-sigmatropic hydrogen shift of ruthenium-vinylidene intermediates.
We report a new ruthenium-catalyzed cycloisomerization of unactivated cis-3-en-1-ynes, which produces substituted cyclopentadiene and related derivatives. The mechanism of this cyclization isExpand
A new and efficient catalytic isomerization of cis- and trans-epoxides
Abstract We report new ruthenium-catalyzed cis – trans isomerization of various functionalized epoxides. Enantiospecific isomerization of chiral epoxides is achieved without loss of enantiopurity,Expand
Ruthenium-catalyzed regioselective 1,3-methylene transfer by cleavage of two adjacent sigma-carbon-carbon bonds: an easy and selective synthesis of highly substituted benzenes.
A new ruthenium-catalyzed 6-endo-dig cyclization of 6,6-cycloalkylidenyl-3,5-dien-1-ynes is reported, which produces highly substituted benzenes with considerable structural reorganization and provides an easy and convenient synthesis of complex Benzenes bearing various different substituents. Expand
A new Co(2)(CO8-mediated tandem [5 + 1]/[2 + 2 + 1]-cycloaddition reaction: a one-pot synthesis of tricyclic delta-lactones from cis-epoxy ene-ynes.
In the presence of Co2(CO)8 and CO, cis-epoxyalkynes bearing a tether olefin undergo a tandem [5 + 1]/[2 + 2 + 1]-cycloaddition to give tricyclic delta-lactones efficiently in a one-pot operation.Expand