Palladium- and copper-catalyzed amination in the synthesis of polymacrocyclic compounds containing structural fragments of azacrown ethers, porphyrins and calix[4]arenes

2 This reaction proceeds via palladium catalyzed coupling between aryl halides and terminal alkynes in the presence of copper salts as co-catalyst.. A limitation of this coupling is

First synthesis of Zinc porphyrin diazoacetates NH of tryptophan ester by porphyrin diazo esters Cyclopropanation of styrene by porphyrin diazo esters Preparation of porphyrin

In summary, we have investigated the potential of the intermolecular Pd-catalyzed direct C5-arylation of heteroaromatics followed by their regioselective C4-bromination and

We further combine quantitative phase imaging with computed tomography (CT) which enables us to investigate internal structures in 3D. Existing techniques for phase

The assembly process between para-sulphonato-calix[4]- arene and cytosine is quite different between the states of matter involved; in solution a monomeric 1:1 complex is involved,

The reaction of protected tetrahydrofuran 103 189 mg, 0.66 mmol in THF 20 mL with 1M HCl 20 mL afforded in 4 days the crude mixture of diols 113a and 113b which was partially

ﻟﺍ ﻞﺼﻔﻟﺍ ﻱﺪﻴﻬﻤﺘ ﻟﺍ ﺚﺤﺒﻟﺎﺑ ﻒﻳﺮﻌﺘ 23 ﻞـﻣﺎﻌﻣ :ﻲﻬﻓ ﺔﻠﻤﻌﺘﺴﳌﺍ ﺔﻴﺋﺎﺼﺣﻹﺍ ﻞﺋﺎﺳﻮﻟﺍ ﺎﻣﺃ .ﻲﻔﻃﺎﻌﻟﺍ ﺀﺎﻛﺬﻟﺍﻭ

- In this report we present the results of measurements of the low temperature specific heat and susceptibility of a number of PdPt alloys and discuss their interpretation