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4 results on '"Greco, Gino"'

1. Superacid-Catalyzed Trifluoromethylthiolation of Aromatic Amines.

Author

Bonazaba Milandou, Longin Justin Clair, Carreyre, Hélène, Alazet, Sébastien, Greco, Gino, Martin-Mingot, Agnès, Nkounkou Loumpangou, Célestine, Ouamba, Jean-Maurille, Bouazza, Fodil, Billard, Thierry, and Thibaudeau, Sébastien

Subjects
*MOLECULES, *STEROIDS, *SULFENAMIDES, *NUCLEAR magnetic resonance, *MAGNETIC resonance microscopy
Abstract

Upon activation under superacid conditions, functionalized tailor-made N-SCF3 sulfenamides served as reagents for the trifluoromethylthiolation of aromatic amines. This method has a broad substrate scope and can be used for the late-stage functionalization of complex molecules such as alkaloids or steroids. Mechanistic studies based on in situ low-temperature NMR spectroscopy revealed the involvement of dicationic superelectrophilic intermediates. [ABSTRACT FROM AUTHOR]

Published
2017
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2. Superacid-Catalyzed Trifluoromethylthiolation of Aromatic Amines.

Author

Bonazaba Milandou, Longin Justin Clair, Carreyre, Hélène, Alazet, Sébastien, Greco, Gino, Martin‐Mingot, Agnès, Nkounkou Loumpangou, Célestine, Ouamba, Jean‐Maurille, Bouazza, Fodil, Billard, Thierry, and Thibaudeau, Sébastien

Subjects
*SUPERACIDS, *SULFENAMIDES, *TRIFLUOROMETHYL compounds, *AMINES, *AROMATIC amines, *NUCLEAR magnetic resonance spectroscopy
Abstract

Upon activation under superacid conditions, functionalized tailor-made N-SCF3 sulfenamides served as reagents for the trifluoromethylthiolation of aromatic amines. This method has a broad substrate scope and can be used for the late-stage functionalization of complex molecules such as alkaloids or steroids. Mechanistic studies based on in situ low-temperature NMR spectroscopy revealed the involvement of dicationic superelectrophilic intermediates. [ABSTRACT FROM AUTHOR]

Published
2017
Full Text
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4. Inside Back Cover: Superacid-Catalyzed Trifluoromethylthiolation of Aromatic Amines (Angew. Chem. Int. Ed. 1/2017).

Author

Bonazaba Milandou, Longin Justin Clair, Carreyre, Hélène, Alazet, Sébastien, Greco, Gino, Martin‐Mingot, Agnès, Nkounkou Loumpangou, Célestine, Ouamba, Jean‐Maurille, Bouazza, Fodil, Billard, Thierry, and Thibaudeau, Sébastien

Subjects
*NITROGEN compounds, *TRIFLUOROMETHYL compounds, *SULFENAMIDES
Abstract

Superacid activation of N‐SCF3 sulfenamide reagents generates diprotonated superelectrophilic species for the trifluoromethylthiolation of aromatic amines, as shown by T. Billard, S. Thibaudeau, and co‐workers in their Communication on page 173 ff. This method can be used for the late‐stage functionalization of complex biomolecules such as alkaloids and steroids. [ABSTRACT FROM AUTHOR]

Published
2017
Full Text
View/download PDF

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