[2+2] Cycloadditions of Methylene exo‐Glycals: Synthesis of Glycopyranosylidene‐Spiro‐Azetidine‐2‐ones (β‐Lactams) and Cyclobutanones

[2+2] Cycloadditions of methylene exo‐glycal derivatives with chlorosulfonyl isocyanate and dichloroketene were studied in detail, investigating the effect of the carbohydrate moiety, protecting groups as well as reaction temperature on the yields of the transformations. These reactions gave new ano...

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Veröffentlicht in:	European journal of organic chemistry 2023-03, Vol.26 (12), p.n/a
Hauptverfasser:	József, János, Somsák, László, Tóth, Marietta, Juhász, László
Format:	Artikel
Sprache:	eng
Schlagworte:	Amides Carbohydrates chlorosulfonyl isocyanate cycloaddition dichloroketene exo-glycal Isocyanates Methylene NMR Nuclear magnetic resonance spiro-cyclobutanone spiro-β-lactam
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