Nucleoside syntheses, XXII<sup>1)</sup> Nucleoside synthesis with trimethylsilyl triflate and perchlorate as catalystsHelmut Vorbrüggen, Bärbel Bennua, Konrad Krolikiewicz|Chemische Berichte|1981Cited by 755
A simple synthesis of Δ2-oxazines, Δ2-oxazines, Δ2-thiazolines and 2-substituted benzoxazolesHelmut Vorbrüggen, Konrad Krolikiewicz|Tetrahedron|1993Cited by 180
A simple synthesis of Δ2-oxazolines, Δ2-oxazines, Δ2-thiazolines and Δ2-imidazolinesHelmut Vorbrüggen, Konrad Krolikiewicz|Tetrahedron Letters|1981Cited by 144
New Catalysts for the Synthesis of NucleosidesHelmut Vorbrüggen, Konrad Krolikiewicz|Angewandte Chemie International Edition in English|1975Cited by 92
The introduction of nitrile-groups into heterocycles and conversion of carboxylic groups into their corresponding nitriles with chlorosulfonylisocyanate and triethylamineHelmut Vorbrüggen, Konrad Krolikiewicz|Tetrahedron|1994Cited by 79