Gold-catalyzed direct cycloketalization of acetonide-tethered ...
The following reagents were purchased and used as received: Copper(I) iodide. (Aldrich; 99.999%), tetrabutylammonium cyanide (Aldrich; 95%), 4-chlorotetrahydro-.
CHAPTER 2Emission quenching is very clear from the fluorescence spectra recorded during the titration of 1 with tetrabutylammonium chloride (Figure 7). and H-bond based anion receptor - HALphase transfer catalyst tetrabutylammonium iodide (0.08 g, 20 mol %) were added into a round bottom flask. The flask was degassed thrice by applying freeze ... Tetrabutylammonium Iodide?Promoted ... - Semantic ScholarAbstract: 3-Sulfanyloxindoles were synthesised by triphenylphosphine-mediated transition-metal- free thiolation of oxindoles using sulfonyl chlorides as ...
Autres Cours:
