white to light beige crystalline powder or chunks
Triphenylphosphine hydrobromide is the hydrobromide salt of Triphenylphosphine, used in the preparation of uridine derivatives as substrate donor analogs of UDP-sugars for glycosyltransferases. Also used in the preparation of tensioactive and antibacterial deoxyglycoside compounds via catalysis.
Triphenylphosphine hydrobromide is used as mild source of anhydrous HBr; catalyst for formation of THP ethers from tertiary alcohols; preparation of phosphonium salts.
reaction type: Buchwald-Hartwig Cross Coupling Reaction
reaction type: Heck Reaction
reaction type: Hiyama Coupling
reaction type: Negishi Coupling
reaction type: Sonogashira Coupling
reaction type: Stille Coupling
reaction type: Suzuki-Miyaura Coupling
The Preparative Method of Triphenylphosphine Hydrobromide: addition of anhydrous Hydrogen Bromide to an ethereal solution of Triphenylphosphine; addition of Ph3P to 48% aqueous HBr followed by CHCl3 extraction and drying.
[1] Patent: US2018/170889, 2018, A1. Location in patent: Paragraph 0317
[2] Tetrahedron Letters, 2013, vol. 54, # 51, p. 7031 - 7034
[3] Patent: JP6210065, 2017, B2. Location in patent: Paragraph 0134
[4] Synthesis, 1988, # 2, p. 157 - 158
[5] Angewandte Chemie - International Edition, 2016, vol. 55, # 19, p. 5846 - 5850
