U. Hain

A New Access to Pyrrolizidine Derivatives: Ring Contraction of Methyl (<i>E</i>)-[1,2-Oxazin-3-yl]propenoates

Reinhold Zimmer, Markus Collas, Regina Czerwonka et al. · Synthesis · 2008 · 38 citations

Derivative (Chemistry), Engineering, Heterocyclic +15

Synthese von 4‐Aminocinnolinen aus (Arylhydrazono)(cyan)‐essigsäurederivaten

K. Gewald, Osmar Calderón, H. Schäfer et al. · Liebigs Annalen der Chemie · 1984 · 29 citations

Diversity Oriented Synthesis, Natural Product Synthesis, Bioorganic Chemistry +12

Enantioselective synthesis of (S)- and (R)-6-hydroxy-8-nonene-carboxylates by asymmetric catalysis: a formal synthesis of (R)-α-lipoic acid and its (S)-antipode

Reinhold Zimmer, U. Hain, Mathias Berndt et al. · Tetrahedron Asymmetry · 2000 · 23 citations

Asymmetric Catalysis, Engineering, Organic Chemistry +8

Hetero Diels-Alder Reactions of 2-Chloro-1nitroso-1-phenylethene: Preparation of Novel 4-Chloro-Substituted 1,2-Oxazins and Subsequent Reactions

Reinhold Zimmer, Jörg Angermann, U. Hain et al. · Synthesis · 1997 · 20 citations

Derivatives, Hetero Diels-alder Reactions, Engineering +15

Reaktion von 2‐Thiophenaminen mit Hydrazin

K. Gewald, U. Hain · Chemische Berichte · 1988 · 17 citations