A preparative synthesis of an inwardly directed phosphoramidite-Au complex is described and a description of some of its catalytic performance. The molecular structure was determined by crystallographic analysis, which disclosed that the phosphoramidite ligand points "out" and places the complexed
Cavitands endowed with in‐ and outwardly directed allylsilanes are described; epoxidation reactions of the allyl groups with meta‐chloroperbenzoic acid are included. The synthesis of introverted and extroverted allylsilanes tethered to triquinoxaline‐spanned resorcinarenes was successfully achieved. Competitive epoxidation experiments between the two isomers disclosed that the introverted allyl was more reactive than the extroverted allyl, despite a clearly congested nuisance: the vase‐formed cavity would actively stabilize the reaction process.
Hofmann‐Abbau von (f )‐Tetrahydroberberinmethojodid (I) liefert das Vinylderivat (IIa), das durch Oxidation mit Osmiumtetroxid/Natriumperjodat und Reduktion mit NaBH4 zum Alkohol (IIb) umgewandelt wird.
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