99834-10-3Relevant academic research and scientific papers
Experimental and quantum chemical evidences for C-H···N hydrogen bonds involving quaternary pyridinium salts and pyridinium ylides
Dega-Szafran,Schroeder,Szafran,Szwajca,L?ska,Lewandowska
, p. 31 - 42 (2000)
The rates of equilibrium of eight quaternary pyridinium salts containing activated methylene groups with the corresponding ylides have been measured in DMSO solution containing strong bases (DBU, MTBD and P1-tBu). The effect of the ring substituents on th
Keto-Enol Tautomerism and Ionisation of 1-Phenacylpyridinium Ions: a Model for Carbanion-stabilisation of Azomethine Ylides
Carey, A. R. Edwin,O'Ferrall, Rory A. More,Murray, Brian A.
, p. 2297 - 2302 (2007/10/02)
Measurement of equilibrium constants for keto-enol tautomerism (KT) and ionisation (Ka) of 1-phenacylpyridinium and 1-phenacyl(4-dimethylamino) pyridium ions gives pKT (-log KT) = 6.10 and 5.55 and pKa/sub
