Science, Nature & Maths      Chemistry

Neuer Weg zur Synthese von chiralen 1,2,4-Oxadiazin-5-onen: einfache Synthese von neuen chiralen 1,2,4-Oxadiazin-5-onen aus natürlichen Aminosäuren

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Book Details
Language
German
Publishers
Verlag Unser Wissen (8 Aug. 2024)
Weight
0.09 KG
Publication Date
08/08/2024
ISBN-10
6207924320
Pages
56 pages
ISBN-13
9786207924325
Dimensions
15.24 x 0.33 x 22.86 cm
SKU
9786207924325
Author Name
Najeh TKA (Author)
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Die in diesem Buch durchgeführten Forschungsarbeiten zielen darauf ab, einen einfachen und schnellen Syntheseweg für neue chirale Derivate von 1,2,4-Oxadiazin-5-onen zu entwickeln, die für ihre interessanten biologischen Aktivitäten bekannt sind. Der erste Teil dieses Buches beschreibt die Synthese einer Reihe von optisch aktiven α-Bromsäuren durch enantioselektive Nitrodesaminierung von natürlichen Aminosäuren.

Diese werden anschließend mit Thionylchlorid gefolgt von Methanol zu den entsprechenden α-Bromoestern reagieren. Die Kondensation dieser zuvor hergestellten α-Bromester mit 1-Benzen-sulfonylpyrrolidin-2-carboxamidoxim in Gegenwart von zwei Äquivalenten Natriumhydrid liefert die gewünschten neuen chiralen 1,2,4-Oxadiazin-5-one mit guten chemischen Ausbeuten.

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