43213-51-0Relevant articles and documents
AMIDINES. PART XII. BASICITY OF N2-SUBSTITUTED N1,N1-PENTAMETHYLENEBENZAMIDINES IN WATER-ETHANOL SOLUTIONS
Oszczapowicz, Janusz,Raczynska, Ewa,Pawlik, Tadeusz
, p. 117 - 124 (2007/10/02)
A series of 14 N2-substituted N1,N1-pentamethylenebenzamidines has been synthesized, their pKa values in 99.8percent, 95.6percent and 50percent ethanol measured and correlated with the Hammett ? constants.The influence of composition of binary mixture ethanol-water within the studied range on pKa values, as well as on ρ values obtained is discussed.It was found that the difference of ρ values obtained for these solvents are small, but remarkable.