Abstract The synthesis of salts reactive cations and weakly coordinating anions is great interest to the development catalysts, because weak electrostatic interaction between two may greatly increase catalytic activity solubility in nonpolar solvents. However, these many cases difficult requires elaborate, sometimes multi‐step procedures. Here, we describe a library monocationic group 11 metal‐...

Enantioselective iodocycloetherifications can be conducted using sterically highly demanding BINOL-based phosphoric acid diesters as catalyst. To achieve enantioselective reactions, cocatalysis by triphenylphosphine selenide is necessary. With cocatalysis, good to excellent enantioselectivities achieved for a broad range of substrates catalyst and cocatalyst loadings low 1 mol %. The itself doe...

some 2-iminothiazolidin-4-ones have been synthesized by the reaction of dialkyl acetylenedicarboxylates with thiosemicarbazones. the reaction was performed in the presence of 10 mol% of triphenylphosphine and tetrabutylammonium bromide as a phase transfer catalyst in water as a green solvent. all the synthesized compounds were characterized by their physical and spectral data.

n-(7-chloro-1-methyl-2-oxo-5-phenyl-2,3-dihydro-1h-benzo[e][1,4]diazepin-3-yl)thiophene-2 carboxamide-[14c-carboxy] was prepared as part of a 6-step sequence from thiophene-2-carbonitrile -[cyano-14c] as a keysynthetic intermediate which has been synthesized from 2-iodothiophene and zinc [14c]-cyanide in thepresence of tetrakis (triphenylphosphine) palladium.