A Very Strong Methylation Agent: [Me2Cl][Al(OTeF5)4]. Issue 29 (17th June 2019)

• Record Type: Journal Article
• Authors: Hämmerling, Sebastian; Thiele, Günther; Steinhauer, Simon; Beckers, Helmut; Müller, Carsten; Riedel, Sebastian
• Is Part Of: Angewandte Chemie international edition. Volume 58:Issue 29(2019)
• Page Start: 9807
• Page End: 9810
• Publication Date: 2019-06-17
• Subjects: fluorine chemistry -- Lewis acids -- methylation -- pentafluoroorthotellurates -- weakly coordinating anion; Chemistry -- Periodicals; 540
• DOI: 10.1002/anie.201904007
• Languages: English
• ISSNs: 1433-7851

Abstract

Abstract: A new chloronium‐containing salt, [Me2 Cl][Al(OTeF5 )4 ], was synthesized on multigram scale by means of a simple one‐pot procedure. The isolated product can be handled at room temperature and used as a strong electrophilic methylation agent. This is demonstrated by the methylation of the very weak bases P(CF3 )3, PF3, MeI, and MeBr. Abstract : A chloronium‐containing salt, [Me2 Cl][Al(OTeF5 )4 ], was synthesized on multigram scale by means of a simple one‐pot procedure. The isolated product can be handled at room temperature and used as a strong electrophilic methylation agent. This is demonstrated by the methylation of the very weak bases P(CF3 )3, PF3, MeI, and MeBr.