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Your search keyword '"Mantellini, Fabio"' showing total 4 results
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4 results on '"Mantellini, Fabio"'

3. Divergent Approach to Thiazolylidene Derivatives: A Perspective on the Synthesis of a Heterocyclic Skeleton from β-Amidothioamides Reactivity

Author

Santeusanio, Stefania, Majer, Roberta, Perrulli, Francesca Romana, De Crescentini, Lucia, Favi, Gianfranco, Giorgi, Gianluca, and Mantellini, Fabio

Abstract

Herein we report a domino protocol able to reach regioselectively thiazolylidene systems by combining the reactive peculiarities of both β-amidothioamides (ATAs) and 1,2-diaza-1,3-dienes (DDs). Depending on the reaction conditions and/or the nature of the residue at C4 of the heterodiene system, ATAs can act as hetero-mononucleophiles or hetero-dinucleophiles in the diversified thiazolylidene ring assembly.

Published
2024
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4. Challenge N - versus O -six-membered annulation: FeCl 3 -catalyzed synthesis of heterocyclic N , O -aminals.

Author

Mari G, De Crescentini L, Favi G, Mantellini F, Olivieri D, and Santeusanio S

Abstract

A new class of heterocyclic N , O -aminal and hemiaminal scaffolds was successfully obtained by means of a three-component reaction (3-CR) of 1,2-diaza-1,3-dienes (DDs), α-aminoacetals and iso(thio)cyanates. These stable imine surrogates are generated from key-substituted (thio)hydantoin intermediates through selective FeCl 3 -catalyzed intramolecular N -annulation., (Copyright © 2024, Mari et al.)

Published
2024
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