FR 
EN 
ZH 
RU 
DE 
ES 
KO 
PT 
TH 
AR 
IT 
VI 
NL 
what is of Tetrabutylphosphonium bromide with CAS 3115-68-2?
Tetra-n-butylphosphonium bromide is used as a phase-transfer catalyst at high temperatures, at which nitrogen analogues tend to undergo elimination e.g. as catalyst for the dealkoxycarbonylation of malonates and ?-keto esters by heating in stearic acid.
