WebNov 3, 2024 · A general approach to access sulfamate esters through preparation of sulfamic acid salts, subsequent activation with triphenylphosphine ditriflate, and … WebThe structure of polymer-supported triphenylphosphine ditriflate: A potentially useful reagent in organic synthesis ... The Hendrickson reagent (triphenylphosphonium anhydride trifluoromethanesulfonate), prepared from the reaction of triphenylphosphine oxide (Ph3PO) and triflic anhydride (Tf2O) (2:1 stoichiometry), promotes dehydrations and ...
Synthesis of N-Substituted Sulfamate Esters from Sulfamic Acid …
WebDec 17, 2013 · Efficient synthesis of unsymmetrical sulfamides from sulfamic acid salts by activation with triphenylphosphine ditriflate. Tetrahedron 2024, 75 (24) , 3186-3194. DOI: 10.1016/j.tet.2024.02.063. Jing Liu, Shi-Meng Wang, Njud S Alharbi, Hua-Li Qin. Installation of -SO 2 F groups onto primary amides. WebABSTRACT. A general approach to access sulfamate esters through preparation of sulfamic acid salts, subsequent activation with triphenylphosphine ditriflate, and nucleophilic trapping is disclosed. The method proceeds in modest to excellent yields to incorporate nucleophiles derived from aliphatic alcohols and phenols. haroska amelinghausen
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WebTriphenylphosphine ditriflate. Sulfonamides may be directly synthesized from sulfonic acid salts by treatment with triphenylphosphine ditriflate followed by an amine … WebMar 1, 2024 · A general approach to prepare unsymmetrical sulfamides is described. This method relies on the activation of sulfamic acid salts with triphenylphosphine ditriflate, and subsequent trapping by a... WebMay 23, 2008 · The structure of a polymer-supported version of the Hendrickson “POP” reagent, prepared by the reaction of polymer-supported triphenylphosphine oxide 1 with … pulaski hs va