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Publication
Featured researches published by Kurt Ponsold.
Tetrahedron Letters | 1979
Kurt Ponsold; Helmut Kasch
Abstract A new method for benzylic alkoxylation and hydroxylation of 3-methoxy-estra-1,3,5(10)-trienes (I) is described. 9α- and 9β-methoxy- and 9α- and 9β-hydroxy-3-methoxy-estra-1,3,5(10)-trienes (II and III) were prepared by electrochemical oxidation in a methanolic or aqueous solvent supporting electrolyte (SSE).
Tetrahedron Letters | 1979
Kurt Ponsold; Helmut Kasch
Abstract The electrochemical oxidation of 3-methoxy-estra-1,3,5(10)-triene-17-one I in methanolic sodium cyanide solution leads to ring A-substitution products II and III and to the addition product IV. This method represents a new way for the direct introduction of a carbon substituent into position 10 of steroids.
Tetrahedron Letters | 1970
Kurt Ponsold; Wolfgang Ihn
Archive | 1990
Helmut Kasch; Reimar Krieg; Anatoil Kurischko; Kurt Ponsold
Tetrahedron Letters | 1972
Kurt Ponsold; Wolfgang Ihn
Tetrahedron Letters | 1969
Kurt Ponsold; Manfred Wunderwald; Wolfgang Schade
Archive | 1978
Kurt Ponsold; Ponsold Kurt; Michael Huebner; Huebner Michael; Helmut Kasch; Kasch Helmut; Inge Noack; Noack Inge
Archive | 1975
Kurt Ponsold; Helmut Kasch
Archive | 1975
Kurt Ponsold; Helmut Kasch
Tetrahedron Letters | 1969
Kurt Ponsold
