The terms DMF and DMSO designate dimethyl formamide and dimethylsulfoxide, respectively. All chromatography is performed using SiO2 as support. EXAMPLE 1 Preparation of 3-(Phenylthio)-1H-pyrrolo[2,3-b]pyridine A solution of methyl phenyl sulfoxide (8.33 g, 59.4 mmol) in CH2Cl2 is chilled ...
Use Newman projection, anddraw all the possible staggered and eclipsed conformers that result from rotation about the C-2, C-3 bond of 2,3-dimethylhexane. Which one of these is themost stable? What is the complex conjugate of the mentioned wave function? Psi=4-3i Wh...
A series of Fe2O3@LSF (La0.8Sr0.2FeO3−δ perovskite) core-shell materials (CSM) was prepared by infiltration of LSF precursors gel containing various complexants and their mixtures to nanocrystalline aggregates of hematite followed by thermal treatment. The content of LSF phase and amount...