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Dive into the research topics where Herbert Frauenrath is active.

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Featured researches published by Herbert Frauenrath.


Tetrahedron Letters | 1990

Synthesis of 2,3-substituted tetrahydropyrans by rearrangement of 5,6-dihydro-4H-1,3-dioxocins

Herbert Frauenrath; Martin Sawicki

Abstract The synthesis of 5,8-dihydro-4 H -1,3-dioxocins 2 and 5,6-dihydro-4 H -1,3-dioxocins 3 is described. 2-Substituted tetrahydropyran-3-carbaldehydes are obtained by acid-catalyzed rearrangement of 3 .


Zeitschrift Fur Kristallographie-new Crystal Structures | 2004

Crystal structure of 4-acetoxy-5-(amino-N-phthalimido)-2-tert-butyl-5- methyl-1,3-dioxane, C19H24N2O6

Susanne Flock; Heike Sippel; Herbert Frauenrath; Ulrich Müller

C 19 H 24 N 2 O 6 , triclinic, PI (no. 2), a = 5.922(1) A, b = 8.336(1) A, c = 19.864(2) A, a = 95.81(1)°, β = 96.60(2)°, y = 100.10(1)°, V= 951.6 A 3 , Z = 2, R gt (F) = 0.063, wR ref (F 2 ) = 0.161, T= 193 K.


Angewandte Chemie | 1993

A Diastereoselective Synthesis of β-(N-Acylamino)aldehydes by Rearrangement of O-Vinyl-N,O-Acetals†‡

Herbert Frauenrath; Thomas Arenz; Gerhard Raabe; Martin Zorn


Angewandte Chemie | 2001

Highly Enantioselective Isomerization of 4,7‐Dihydro‐1,3‐dioxepins Catalyzed by Me‐DuPHOS‐Modified Dihalogenonickel Complexes and Determination of the Absolute Configuration of the Isomerization Products

Herbert Frauenrath; Dirk Brethauer; Stefan Reim; M. Maurer; Gerhard Raabe


Angewandte Chemie | 1990

A Novel Synthesis of 2‐Aminomethyl‐1,3‐butadienes from N,O‐Acetals

Thomas Arenz; Herbert Frauenrath


Synlett | 1999

A Novel Synthesis of 4-Methyl-1,3-Dioxolane-4-Carbaldehydes by Epoxidation of 5-Methyl-4H-1,3-Dioxins and Acid-Catalyzed Rearrangement

Carsten Wattenbach; Martin Maurer; Herbert Frauenrath


Angewandte Chemie | 1993

Eine diastereoselektive Synthese von ß‐(N‐Acylamino)aldehyden durch Umlagerung)von: von N,O‐Vinylacetalen

Herbert Frauenrath; Thomas Aramz; Gerhard Raabe; Martin Zorn


European Journal of Organic Chemistry | 1994

Stereoselective Amidoalkylation Reactions via N,O-Acetals

Thomas Arenz; Herbert Frauenrath; Gerhard Raabe; Martin Zorn


Synlett | 1994

Asymmetric Isomerization of 5-Methylene-1,3-dioxanes to 5-Methyl-4H-1,3-dioxins by a Chiral Ruthenium(II) Complex

Herbert Frauenrath; Manfred Kaulard


Angewandte Chemie | 1990

Eine neuartige Synthese von 2‐Aminomethyl‐1,3‐butadienen aus N,O‐Acetalen

Thomas Arenz; Herbert Frauenrath

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Ulrich Müller

University of California

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Thomas Arenz

University of Erlangen-Nuremberg

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