Výsledky vyhledávání - "Irmgard Pötschger"

High-Yield Syntheses of Tetra-O-benzyl-α-D-glucopyranosyl bromide and Tetra-O-pivaloyl-α-D-glucopyranosyl bromide and their Advantage in the Koenigs-Knorr Reaction

Autor: Armin Presser, Irmgard Pötschger, Olaf Kunert

Publikováno v: Monatshefte für Chemie - Chemical Monthly. 137:365-374

Several improved approaches for the preparation of tetra-O-benzyl-α-D-glucopyranosyl bromide and tetra-O-pivaloyl-α-D-glucopyranosyl bromide are discussed. The importance of these compounds, which are useful glycosyl donors, was demonstrated by suc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::564bc444170fefeaabd90b191246c524
https://doi.org/10.1007/s00706-005-0429-1

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Synthetic Transformations of Abietic Acid V a : Structure Modification and Ozonization

Autor: Ernst Haslinger, Armin Presser, Irmgard Pötschger, Antje Hüfner

Publikováno v: Monatshefte f?r Chemie / Chemical Monthly. 133:231-239

Carbon side chains are attached via Reformatsky reactions to the B-ring of abietic acid, followed by selective modifications and finally ozonization of the C-ring. The products can be used as educts for the synthesis of highly oxidized terpene deriva

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::83dbb9ab6039fa2c4d02b203c6289864
https://doi.org/10.1007/s007060200000

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