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Featured researches published by Wolfgang Ladner.


Tetrahedron Letters | 1982

Synthesis of 6S, 7S-anhydro-serricornine.

Reinhard W. Hoffmann; Wilfred Helbig; Wolfgang Ladner

Abstract Diastereoselective and enantioselective reduction of the β-ketoester 3 by yeast to 4 provided the chiral starting material for a synthesis of 4RS,6S,7S-serricornine, having the same configuration as the natural product. This material was converted into optically active and diastereomerically pure 6S,7S-anhydro-serricornine ( 2 ).


Tetrahedron Letters | 1979

On the absolute stereochemistry of C-2 and C-3 in stegobinone

Reinhard W. Hoffmann; Wolfgang Ladner

Abstract By comparison of the CD-spectra of synthetic material with that of stegobinone it is established that stegobinone has the 2S, 3R-configuration. The stereochemistry at C-7 remains unknown at present.


Journal Fur Praktische Chemie-chemiker-zeitung | 1997

Optisch aktive Amine durch Lipase‐katalysierte Methoxyacetylierung

Friedhelm Balkenhohl; Klaus Ditrich; Bernhard Hauer; Wolfgang Ladner


Chemische Berichte | 1981

Stereoselektive Synthese von Alkoholen, IX. Absolute Konfiguration von Stegobinon

Reinhard W. Hoffmann; Wolfgang Ladner; Klaus Steinbach; Werner Massa; R. E. Schmidt; Günther Snatzke


Chemische Berichte | 1981

Stereoselektive Synthese von Alkoholen, VI1) Asymmetrische Synthesen von 4‐Penten‐2‐ol über Allylboronsäureester chiraler Glycole

Thomas Herold; Ursula Schrott; Reinhard W. Hoffmann; G. Schnelle; Wolfgang Ladner; Klaus Steinbach


Chemische Berichte | 1982

Stereoselektive Synthese von Alkoholen, XI. Doppelte Stereodifferenzierung bei der Addition von Crotylboronsäureestern an Aldehyde: Prelog-Djerassi-Lacton

Reinhard W. Hoffmann; Hans‐Joachim Zeiß; Wolfgang Ladner; Susanne Tabche


Chemische Berichte | 1983

Stereoselektive Synthese von Alkoholen, XII. Synthese der C‐9/C‐13‐Teilstruktur des Methynolids

Reinhard W. Hoffmann; Wolfgang Ladner


Chemische Berichte | 1983

Stereoselektive Synthese von Alkoholen, XV. Stereoselektive Synthese von α‐Alkyl‐α,β‐dihydroxy‐carbonsäureester‐Derivaten: Synthese der ( + )‐Viridiflorsäure

Wolfgang Ladner


European Journal of Organic Chemistry | 1984

Stereoselektive Synthese von Alkoholen, XVIII. Synthese von (3S,4S)‐4‐Methyl‐3‐heptanol und von (5S,6S)‐Anhydroserricornin

Reinhard W. Hoffmann; Wolfgang Ladner; Wilfried Helbig


Archive | 1994

Resolution of the racemates of primary and secondary amines by enzyme-catalyzed acylation

Friedhelm Balkenhohl; Bernhard Hauer; Wolfgang Ladner; Uwe Pressler; Christoph Nübling

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Uwe Pressler

University of Tübingen

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