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Featured researches published by Inga Hoppe.


Tetrahedron Letters | 1990

Asymmetric aldol addition reactions of a chiral 3-sulfonyl-1,3-oxazolidine-masked lithium 2-formylcyclohexanone enolate

Inga Hoppe; Dieter Hoppe; Regine Herbst-Irmer; Ernst Egert

Abstract The title compound, prepared by kinetically controlled deprotonation of a stereohomogeneous 2-(2-oxocyclohexyl)-1,3-oxazolidine, undergoes highly anti -stereoselective aldol addition with alkanals.


European Journal of Organic Chemistry | 1975

Synthesen mit α‐metallierten Isocyaniden, XXVIII1) In 2‐Stellung unsubstituierte Oxazole aus α‐metallierten Isocyaniden und Acylierungsreagenzien

Rolf Schröder; Ulrich Schöllkopf; Ernst Blume; Inga Hoppe


Angewandte Chemie | 1975

Lithium Phenylethynolate and Its Reaction with Carbonyl Compounds to Give β‐Lactones

Ulrich Schöllkopf; Inga Hoppe


European Journal of Organic Chemistry | 1985

Asymmetric synthesis of α-aminophosphonic acids. I: Enantioselective synthesis of L-(1-aminoethyl)phosphonic acid by asymmetric catalytic hydrogenation of N-[1-(dimethoxyphosphoryl)ethenyl]formamide

Ulrich Schöllkopf; Inga Hoppe; Angelika Thiele


European Journal of Organic Chemistry | 1976

Synthesen mit α-metallierten Isocyaniden, XXXI. 2-Oxazoline aus α-metallierten Isocyaniden und Carbonylverbindungen. Eine neue Synthese für β-Aminoalkohole

Ulrich Schöllkopf; Fritz Gerhart; Inga Hoppe; Rüdiger Harms; Kurt Hantke; Karl‐Heinz Scheunemann; Eberhard Eilers; Ernst Blume


Angewandte Chemie | 1989

3-Arylsulfonyloxazolidines as Chiral Templates; Asymmetric Synthesis of 2-Substituted 2-Hydroxycyclohexanecarbaldehydes from 2-Hydroxymethylenecyclohexanone†

Inga Hoppe; Dieter Hoppe; Christian Wolff; Ernst Egert; Regine Herbst


Chemische Berichte | 1976

Cycloaddition von “Isocyanketen” an Benzophenonanil und Thioimidsäureester zu β-Lactamen

Inga Hoppe; Ulrich Schöllkiof


Angewandte Chemie | 1985

Asymmetric Addition of a Chiral Cyclic Phosphite to a Cyclic Imine—Synthesis of Phosphonic Acid Analogues of D‐ and L‐Penicillamine

Inga Hoppe; Ulrich Schöllkopf; Martin Nieger; Ernst Egert


Angewandte Chemie | 1978

Asymmetric Synthesis of α-Alkyl-α-aminocarboxylic Acids by Alkylation of 1-chiral-Substituted 2-Imidazolin-5-ones†

Ulrich Schöllkopf; Hans Heinrich Hausberg; Inga Hoppe; Marcos Segal; Udo Reiter


European Journal of Organic Chemistry | 1981

Asymmetrische Synthesen über heterocyclische Zwischenstufen, IV Asymmetrische Synthese von α‐Methylphenylalanin und seinen Analoga durch Alkylieren von 1‐chiral substituiertem 4‐Methyl‐2‐imidazolin‐5‐on

Ulrich Schöllkopf; Hans-Heinrich Hausberg; Marcos Segal; Udo Reiter; Inga Hoppe; Wolfram Saenger; Klaus Lindner

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Dieter Hoppe

University of Göttingen

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Ernst Egert

Darmstadt University of Applied Sciences

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Marcos Segal

University of Göttingen

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Udo Reiter

University of Göttingen

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Ernst Blume

University of Göttingen

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