The Palladium-Catalyzed Cross-Coupling Reaction of Phenylboronic Acid with Haloarenes in the Presence of Bases

The transition metal-catalyzed reactions of organometallics with organic halides have been extensively studied to prove a new approach to selective formati...

N Miyaura，T Yanagi，A Suzuki - 《Synthetic Communications》

Enzymatic synthesis of biotin-labeled polynucleotides: novel nucleic acid affinity probes

Analogs of dUTP and UTP that contain a biotin molecule covalently bound to the C-5 position of the pyrimidine ring through an allylamine linker arm have be...

PR Langer，AA Waldrop，DC Ward - 《Proceedings of the National Academy of Sciences》

A catalytic enantioselective reaction using a C2-symmetric disulfonamide as a chiral ligand: cyclopropanation of allylic alcohols by the Et2Zn-CH2I2-disulf...

The first catalytic, enantioselective Simmons-Smith cyclopropanation of an allylic alochol has been achieved by the reaction of an allylic alcohol with Et2...

Hideyo，Takahashi，and，... - 《Tetrahedron Letters》

Hydrophobic acceleration of Diels-Alder reactions

The quantitative effect of cosolvents on the water solubility of hydrophobic substrates can be correlated with the effect on reaction rates to determine the geometries of transition states for Diels-Alder reactions, the benzoin condensat...

DC Rideout，R Breslow - 《Journal of the American Chemical Society》

Synthesis and conversion of 2-methyl-2-(3-oxobutyl)-1,3-cyclopentanedione to the isomeric racemic ketols of the [3.2.1]bicyclooctane and of the perhydroindane series

The quantitative effect of cosolvents on the water solubility of hydrophobic substrates can be correlated with the effect on reaction rates to determine the geometries of transition states for Diels-Alder reactions, the benzoin condensat...

ZG Hajos，DR Parrish - 《Journal of Organic Chemistry》

Ultrasound in organic synthesis. 7. Preparation of organozinc reagents and their nickel-catalyzed reactions with .alpha.,.beta.-unsaturated carbonyl compounds

Diorganozinc compounds can be prepared with great ease and efficiency in a one-pot process, by sonication of lithium, an organic halide, and a zinc halide ...

C Petrier，DSB Jayne，C Dupuy，... - 《Journal of Organic Chemistry》

Lanthanide trifluoromethanesulfonates as reusable catalysts: catalytic Friedel-Crafts acylation

The Friedel-Crafts acylation of substituted benzenes proceeds smoothly by using a catalytic amount of a lanthanide trifluoromethanesulfonate [Ln(OTf)_3...

Atsushi，Kawada，Shuichi，... - 《Journal of the Chemical Society》

Lanthanide Trifluoromethanesulfonates as Reusable Catalysts: Aldol Reactions in Organic Solvents

The aldol reaction of silyl enolates with aldehydes or acetals using a lanthanide trifluoromethanesulfonate as catalyst smoothly proceed in organic solvent...

S Kobayashi，I Hachiya，T Takahori - 《Synthesis》

An SnCl2-Promoted α-Methylene-γ-butyrolactone Synthesis in an Aqueous Medium

Reaction of α-bromomethylacrylic acid with aldehydes in an SnCl2–MeOCH2CH2OH–H2O system provides γ-substituted-α-methylene-γ-butyrolactones.

Kenji，Uneyama，Kunimasa，... - 《Chemistry Letters》

A concise synthesis of (+)-muscarine

+)-Muscarine was synthesized from S-()-ethyl lactate in five steps with the application of a zinc-mediated allylation reaction in aqueous media. Reversal o...

TH Chan，CJ Li - 《Canadian Journal of Chemistry》