Zobrazeno 1 - 10
of 57
pro vyhledávání: '"van Zyl A"'
Publikováno v:
ChemInform. 47
We designed a ceria-vanadia/silica (Ce-V/SiO2) heterogeneous catalyst and used it for the green and efficient synthesis of 2-amino-3-cyano-4H-pyran derivatives. The green reaction was a multicomponent one-pot condensation of 5,5-dimethylcyclohexane-1
Publikováno v:
ChemInform. 47
ConspectusMetal hydride clusters have historically been studied to unravel their aesthetically pleasing molecular structures and interesting properties, especially toward hydrogen related applications. Central to this work is the hydride ligand, H¯,
Publikováno v:
ChemInform. 46
The title pyrimidines (IV) are efficiently obtained by condensation reaction between dimethylbarbituric acid, various aromatic aldehydes and malononitrile under mild and environmentally friendly reaction conditions.
Autor:
Vashen Moodley, Ramakanth Pagadala, Werner E. van Zyl, Sreekantha B. Jonnalagadda, Suresh Maddila
Publikováno v:
ChemInform. 45
Au/MgO proved to be a highly efficient and reusable catalyst for multicomponent coupling reactions at 70 °C. The synthesized multisubstituted pyridines were obtained in high yields and in short reaction times. With facile work-up, the novel catalyst
Autor:
Werner E. van Zyl, Michael N. Pillay
Publikováno v:
ChemInform. 45
Gold halides have been the most studied amongst all gold compounds, and provide some extremes with regards to oxidation state (especially for direct Au-F bonded cases), chemical topology, and reactivity. Gold complexes also incorporate a number of CF
Autor:
Simon Sana Moleele, Anna C.U. Lourens, David Gravestock, Paul A. Steenkamp, Amanda L. Rousseau, Robyn L. van Zyl
Publikováno v:
ChemInform. 42
A small set of novel 2,N6-disubstituted 1,2-dihydro-1,3,5-triazine-4,6-diamines was prepared possessing a flexible tether between the exocyclic nitrogen bonded to C-6 of the 1,2-dihydro-1,3,5-triazine-4,6-diamine heterocycle and the distal aryl ring.
Publikováno v:
ChemInform. 42
Synthesis and in vitro evaluation for antiamoebic and antimalarial activities are reported.
Autor:
Mino R. Caira, Ryan M. Young, Robyn L. van Zyl, Wendy L. Popplewell, Michael T. Davies-Coleman
Publikováno v:
ChemInform. 42
A variety of 8β,13β-dihydroxypodocarpane derivatives (V) (8 examples) are synthesized starting from naturally occurring diterpene (+)-manod.
Autor:
Werner E. van Zyl
Publikováno v:
ChemInform. 41
Within the phosphor-1,1,-dithiolate class of compounds, the dithiophosphonato ligand [S2PAr(OR′)]− (typically Ar = aryl or ferrocenyl; R′ = alkyl) has emerged as an interesting choice for the preparation of a variety of new metal complexes. Thi
Publikováno v:
ChemInform. 22