Carbodiphosphorane mediated synthesis of a triflyloxyphosphonium dication and its reactivity towards nucleophiles. Issue 20 (23rd February 2017)

• Record Type: Journal Article
• Authors: Yogendra, S.; Hennersdorf, F.; Bauzá, A.; Frontera, A.; Fischer, R.; Weigand, J. J.
• Is Part Of: Chemical communications. Volume 53:Issue 20(2017)
• Page Start: 2954
• Page End: 2957
• Publication Date: 2017-02-23
• Subjects: Chemistry -- Periodicals; 540
• DOI: 10.1039/c7cc00982h
• Languages: English
• ISSNs: 1359-7345

Abstract

Abstract : Synthesis of the triflyloxyphosphonium dication is presented bearing two electrophilic sites which are selectively addressable by different nucleophiles. Abstract : A carbodiphosphorane ((Ph3 P)2 C) mediated synthesis of the first triflyloxyphosphonium dication (1 2+ ) bearing two electrophilic sites is presented. Depending on the nucleophile, 1 2+ reacts selectively either at the sulfur atom of the triflyloxy moiety or at the directly attached phosphorus atom. In substitution reactions at the phosphorus atom the triflyloxy moiety serves as a leaving group and enables the synthesis of rare examples of pseudo-halophosphonium dications.